/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_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 01:25:56,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 01:25:56,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 01:25:56,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 01:25:56,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 01:25:56,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 01:25:56,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 01:25:56,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 01:25:56,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 01:25:56,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 01:25:56,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 01:25:56,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 01:25:56,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 01:25:56,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 01:25:56,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 01:25:56,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 01:25:56,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 01:25:56,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 01:25:56,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 01:25:56,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 01:25:56,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 01:25:56,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 01:25:56,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 01:25:56,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 01:25:56,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 01:25:56,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 01:25:56,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 01:25:56,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 01:25:56,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 01:25:56,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 01:25:56,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 01:25:56,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 01:25:56,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 01:25:56,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 01:25:56,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 01:25:56,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 01:25:56,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 01:25:56,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 01:25:56,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 01:25:56,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 01:25:56,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 01:25:56,943 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 01:25:56,965 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 01:25:56,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 01:25:56,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 01:25:56,971 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 01:25:56,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 01:25:56,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 01:25:56,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 01:25:56,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 01:25:56,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 01:25:56,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 01:25:56,973 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 01:25:56,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 01:25:56,973 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 01:25:56,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 01:25:56,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 01:25:56,975 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 01:25:56,975 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 01:25:56,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 01:25:56,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 01:25:56,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 01:25:56,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 01:25:56,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 01:25:56,976 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 01:25:57,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 01:25:57,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 01:25:57,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 01:25:57,530 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 01:25:57,531 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 01:25:57,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label03.c [2020-10-24 01:25:57,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e6630a10/7417ea29c2c94f1da4d9e0062482ff6b/FLAG6a800055b [2020-10-24 01:25:58,424 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 01:25:58,424 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label03.c [2020-10-24 01:25:58,441 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e6630a10/7417ea29c2c94f1da4d9e0062482ff6b/FLAG6a800055b [2020-10-24 01:25:58,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e6630a10/7417ea29c2c94f1da4d9e0062482ff6b [2020-10-24 01:25:58,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 01:25:58,662 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 01:25:58,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 01:25:58,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 01:25:58,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 01:25:58,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:25:58" (1/1) ... [2020-10-24 01:25:58,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5700f557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:25:58, skipping insertion in model container [2020-10-24 01:25:58,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:25:58" (1/1) ... [2020-10-24 01:25:58,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 01:25:58,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 01:25:59,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:25:59,260 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 01:25:59,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:25:59,442 INFO L208 MainTranslator]: Completed translation [2020-10-24 01:25:59,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:25:59 WrapperNode [2020-10-24 01:25:59,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 01:25:59,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 01:25:59,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 01:25:59,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 01:25:59,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:25:59" (1/1) ... [2020-10-24 01:25:59,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:25:59" (1/1) ... [2020-10-24 01:25:59,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:25:59" (1/1) ... [2020-10-24 01:25:59,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:25:59" (1/1) ... [2020-10-24 01:25:59,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:25:59" (1/1) ... [2020-10-24 01:25:59,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:25:59" (1/1) ... [2020-10-24 01:25:59,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:25:59" (1/1) ... [2020-10-24 01:25:59,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 01:25:59,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 01:25:59,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 01:25:59,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 01:25:59,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:25:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 01:25:59,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 01:25:59,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 01:25:59,712 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 01:25:59,712 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-24 01:25:59,712 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 01:25:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-24 01:25:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 01:25:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 01:25:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 01:25:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 01:25:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 01:25:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-24 01:25:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 01:25:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 01:25:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 01:25:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 01:25:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 01:25:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 01:25:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 01:26:01,263 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 01:26:01,263 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-24 01:26:01,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:26:01 BoogieIcfgContainer [2020-10-24 01:26:01,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 01:26:01,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 01:26:01,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 01:26:01,272 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 01:26:01,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:25:58" (1/3) ... [2020-10-24 01:26:01,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30238d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:26:01, skipping insertion in model container [2020-10-24 01:26:01,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:25:59" (2/3) ... [2020-10-24 01:26:01,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30238d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:26:01, skipping insertion in model container [2020-10-24 01:26:01,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:26:01" (3/3) ... [2020-10-24 01:26:01,276 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label03.c [2020-10-24 01:26:01,288 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 01:26:01,294 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 01:26:01,308 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 01:26:01,332 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 01:26:01,332 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 01:26:01,333 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 01:26:01,333 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 01:26:01,333 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 01:26:01,333 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 01:26:01,333 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 01:26:01,333 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 01:26:01,362 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states. [2020-10-24 01:26:01,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-24 01:26:01,391 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:26:01,392 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] [2020-10-24 01:26:01,393 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:26:01,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:26:01,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1161308796, now seen corresponding path program 1 times [2020-10-24 01:26:01,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:26:01,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [603957607] [2020-10-24 01:26:01,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:26:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:02,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:26:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:02,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:26:02,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [603957607] [2020-10-24 01:26:02,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:26:02,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-24 01:26:02,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880924590] [2020-10-24 01:26:02,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 01:26:02,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:26:02,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 01:26:02,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 01:26:02,283 INFO L87 Difference]: Start difference. First operand 539 states. Second operand 5 states. [2020-10-24 01:26:04,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:26:04,962 INFO L93 Difference]: Finished difference Result 1218 states and 1665 transitions. [2020-10-24 01:26:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 01:26:04,965 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 164 [2020-10-24 01:26:04,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:26:04,986 INFO L225 Difference]: With dead ends: 1218 [2020-10-24 01:26:04,986 INFO L226 Difference]: Without dead ends: 636 [2020-10-24 01:26:04,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-24 01:26:05,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2020-10-24 01:26:05,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 622. [2020-10-24 01:26:05,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-10-24 01:26:05,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 783 transitions. [2020-10-24 01:26:05,302 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 783 transitions. Word has length 164 [2020-10-24 01:26:05,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:26:05,307 INFO L481 AbstractCegarLoop]: Abstraction has 622 states and 783 transitions. [2020-10-24 01:26:05,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 01:26:05,307 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 783 transitions. [2020-10-24 01:26:05,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-24 01:26:05,327 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:26:05,327 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:26:05,328 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 01:26:05,328 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:26:05,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:26:05,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1672532721, now seen corresponding path program 1 times [2020-10-24 01:26:05,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:26:05,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1464291539] [2020-10-24 01:26:05,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:26:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:05,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:26:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:05,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:26:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:05,656 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:26:05,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1464291539] [2020-10-24 01:26:05,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:26:05,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-24 01:26:05,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661864005] [2020-10-24 01:26:05,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:26:05,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:26:05,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:26:05,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:26:05,660 INFO L87 Difference]: Start difference. First operand 622 states and 783 transitions. Second operand 7 states. [2020-10-24 01:26:08,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:26:08,239 INFO L93 Difference]: Finished difference Result 1701 states and 2209 transitions. [2020-10-24 01:26:08,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:26:08,241 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 190 [2020-10-24 01:26:08,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:26:08,254 INFO L225 Difference]: With dead ends: 1701 [2020-10-24 01:26:08,254 INFO L226 Difference]: Without dead ends: 1109 [2020-10-24 01:26:08,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-24 01:26:08,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2020-10-24 01:26:08,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 882. [2020-10-24 01:26:08,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2020-10-24 01:26:08,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1110 transitions. [2020-10-24 01:26:08,434 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1110 transitions. Word has length 190 [2020-10-24 01:26:08,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:26:08,435 INFO L481 AbstractCegarLoop]: Abstraction has 882 states and 1110 transitions. [2020-10-24 01:26:08,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:26:08,435 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1110 transitions. [2020-10-24 01:26:08,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-10-24 01:26:08,440 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:26:08,440 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] [2020-10-24 01:26:08,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 01:26:08,441 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:26:08,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:26:08,441 INFO L82 PathProgramCache]: Analyzing trace with hash -875025133, now seen corresponding path program 1 times [2020-10-24 01:26:08,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:26:08,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [668794549] [2020-10-24 01:26:08,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:26:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:08,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:26:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:08,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:26:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:08,772 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:26:08,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [668794549] [2020-10-24 01:26:08,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:26:08,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-24 01:26:08,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015091717] [2020-10-24 01:26:08,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:26:08,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:26:08,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:26:08,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:26:08,786 INFO L87 Difference]: Start difference. First operand 882 states and 1110 transitions. Second operand 8 states. [2020-10-24 01:26:12,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:26:12,475 INFO L93 Difference]: Finished difference Result 2764 states and 3774 transitions. [2020-10-24 01:26:12,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 01:26:12,476 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 198 [2020-10-24 01:26:12,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:26:12,490 INFO L225 Difference]: With dead ends: 2764 [2020-10-24 01:26:12,490 INFO L226 Difference]: Without dead ends: 1912 [2020-10-24 01:26:12,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-24 01:26:12,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2020-10-24 01:26:12,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1679. [2020-10-24 01:26:12,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1679 states. [2020-10-24 01:26:12,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1679 states and 2181 transitions. [2020-10-24 01:26:12,915 INFO L78 Accepts]: Start accepts. Automaton has 1679 states and 2181 transitions. Word has length 198 [2020-10-24 01:26:12,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:26:12,915 INFO L481 AbstractCegarLoop]: Abstraction has 1679 states and 2181 transitions. [2020-10-24 01:26:12,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:26:12,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 2181 transitions. [2020-10-24 01:26:12,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-24 01:26:12,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:26:12,926 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] [2020-10-24 01:26:12,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 01:26:12,926 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:26:12,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:26:12,927 INFO L82 PathProgramCache]: Analyzing trace with hash -637112751, now seen corresponding path program 1 times [2020-10-24 01:26:12,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:26:12,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1775834818] [2020-10-24 01:26:12,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:26:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:13,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:26:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:13,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:26:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:13,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-24 01:26:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:13,583 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 33 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-24 01:26:13,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1775834818] [2020-10-24 01:26:13,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:26:13,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-24 01:26:13,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257711561] [2020-10-24 01:26:13,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 01:26:13,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:26:13,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 01:26:13,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-10-24 01:26:13,588 INFO L87 Difference]: Start difference. First operand 1679 states and 2181 transitions. Second operand 13 states. [2020-10-24 01:26:15,209 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-10-24 01:26:16,683 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-10-24 01:26:18,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:26:18,637 INFO L93 Difference]: Finished difference Result 5336 states and 7137 transitions. [2020-10-24 01:26:18,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-24 01:26:18,638 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 220 [2020-10-24 01:26:18,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:26:18,657 INFO L225 Difference]: With dead ends: 5336 [2020-10-24 01:26:18,658 INFO L226 Difference]: Without dead ends: 2577 [2020-10-24 01:26:18,672 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-10-24 01:26:18,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2577 states. [2020-10-24 01:26:19,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2577 to 2303. [2020-10-24 01:26:19,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2303 states. [2020-10-24 01:26:19,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 2303 states and 2803 transitions. [2020-10-24 01:26:19,256 INFO L78 Accepts]: Start accepts. Automaton has 2303 states and 2803 transitions. Word has length 220 [2020-10-24 01:26:19,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:26:19,257 INFO L481 AbstractCegarLoop]: Abstraction has 2303 states and 2803 transitions. [2020-10-24 01:26:19,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 01:26:19,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 2803 transitions. [2020-10-24 01:26:19,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-24 01:26:19,267 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:26:19,268 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:26:19,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 01:26:19,268 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:26:19,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:26:19,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1814558122, now seen corresponding path program 1 times [2020-10-24 01:26:19,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:26:19,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2008850113] [2020-10-24 01:26:19,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:26:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:19,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:26:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:19,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:26:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:19,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-24 01:26:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:19,528 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-24 01:26:19,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2008850113] [2020-10-24 01:26:19,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:26:19,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 01:26:19,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792185729] [2020-10-24 01:26:19,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:26:19,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:26:19,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:26:19,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:26:19,533 INFO L87 Difference]: Start difference. First operand 2303 states and 2803 transitions. Second operand 8 states. [2020-10-24 01:26:22,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:26:22,875 INFO L93 Difference]: Finished difference Result 6172 states and 7769 transitions. [2020-10-24 01:26:22,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 01:26:22,877 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 221 [2020-10-24 01:26:22,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:26:22,903 INFO L225 Difference]: With dead ends: 6172 [2020-10-24 01:26:22,903 INFO L226 Difference]: Without dead ends: 3590 [2020-10-24 01:26:22,914 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-24 01:26:22,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3590 states. [2020-10-24 01:26:23,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3590 to 3541. [2020-10-24 01:26:23,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3541 states. [2020-10-24 01:26:23,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 3541 states and 4209 transitions. [2020-10-24 01:26:23,753 INFO L78 Accepts]: Start accepts. Automaton has 3541 states and 4209 transitions. Word has length 221 [2020-10-24 01:26:23,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:26:23,753 INFO L481 AbstractCegarLoop]: Abstraction has 3541 states and 4209 transitions. [2020-10-24 01:26:23,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:26:23,753 INFO L276 IsEmpty]: Start isEmpty. Operand 3541 states and 4209 transitions. [2020-10-24 01:26:23,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-10-24 01:26:23,767 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:26:23,768 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:26:23,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 01:26:23,768 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:26:23,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:26:23,769 INFO L82 PathProgramCache]: Analyzing trace with hash -2131756097, now seen corresponding path program 1 times [2020-10-24 01:26:23,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:26:23,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1516551066] [2020-10-24 01:26:23,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:26:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:23,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:26:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:23,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:26:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:23,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-24 01:26:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:24,042 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-24 01:26:24,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1516551066] [2020-10-24 01:26:24,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:26:24,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:26:24,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473367333] [2020-10-24 01:26:24,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:26:24,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:26:24,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:26:24,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:26:24,049 INFO L87 Difference]: Start difference. First operand 3541 states and 4209 transitions. Second operand 7 states. [2020-10-24 01:26:27,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:26:27,963 INFO L93 Difference]: Finished difference Result 7909 states and 9698 transitions. [2020-10-24 01:26:27,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 01:26:27,964 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 247 [2020-10-24 01:26:27,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:26:28,004 INFO L225 Difference]: With dead ends: 7909 [2020-10-24 01:26:28,004 INFO L226 Difference]: Without dead ends: 4398 [2020-10-24 01:26:28,017 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-24 01:26:28,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4398 states. [2020-10-24 01:26:28,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4398 to 3999. [2020-10-24 01:26:28,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3999 states. [2020-10-24 01:26:28,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3999 states to 3999 states and 4604 transitions. [2020-10-24 01:26:28,877 INFO L78 Accepts]: Start accepts. Automaton has 3999 states and 4604 transitions. Word has length 247 [2020-10-24 01:26:28,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:26:28,877 INFO L481 AbstractCegarLoop]: Abstraction has 3999 states and 4604 transitions. [2020-10-24 01:26:28,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:26:28,878 INFO L276 IsEmpty]: Start isEmpty. Operand 3999 states and 4604 transitions. [2020-10-24 01:26:28,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-10-24 01:26:28,894 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:26:28,895 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-24 01:26:28,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 01:26:28,895 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:26:28,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:26:28,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1191423167, now seen corresponding path program 1 times [2020-10-24 01:26:28,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:26:28,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1599483582] [2020-10-24 01:26:28,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:26:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:29,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:26:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:29,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:26:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:29,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 01:26:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:29,190 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-24 01:26:29,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1599483582] [2020-10-24 01:26:29,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:26:29,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:26:29,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363295085] [2020-10-24 01:26:29,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:26:29,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:26:29,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:26:29,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:26:29,193 INFO L87 Difference]: Start difference. First operand 3999 states and 4604 transitions. Second operand 7 states. [2020-10-24 01:26:30,153 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-24 01:26:32,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:26:32,090 INFO L93 Difference]: Finished difference Result 9295 states and 10994 transitions. [2020-10-24 01:26:32,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:26:32,090 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 263 [2020-10-24 01:26:32,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:26:32,117 INFO L225 Difference]: With dead ends: 9295 [2020-10-24 01:26:32,117 INFO L226 Difference]: Without dead ends: 4176 [2020-10-24 01:26:32,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-24 01:26:32,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4176 states. [2020-10-24 01:26:33,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4176 to 3917. [2020-10-24 01:26:33,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3917 states. [2020-10-24 01:26:33,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3917 states to 3917 states and 4287 transitions. [2020-10-24 01:26:33,091 INFO L78 Accepts]: Start accepts. Automaton has 3917 states and 4287 transitions. Word has length 263 [2020-10-24 01:26:33,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:26:33,091 INFO L481 AbstractCegarLoop]: Abstraction has 3917 states and 4287 transitions. [2020-10-24 01:26:33,091 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:26:33,092 INFO L276 IsEmpty]: Start isEmpty. Operand 3917 states and 4287 transitions. [2020-10-24 01:26:33,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-10-24 01:26:33,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:26:33,107 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1] [2020-10-24 01:26:33,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 01:26:33,107 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:26:33,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:26:33,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1880074081, now seen corresponding path program 1 times [2020-10-24 01:26:33,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:26:33,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [316621199] [2020-10-24 01:26:33,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:26:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:33,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:26:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:33,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:26:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:33,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-24 01:26:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:26:33,651 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 104 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-24 01:26:33,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [316621199] [2020-10-24 01:26:33,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:26:33,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-24 01:26:33,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113353947] [2020-10-24 01:26:33,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 01:26:33,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:26:33,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 01:26:33,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-10-24 01:26:33,654 INFO L87 Difference]: Start difference. First operand 3917 states and 4287 transitions. Second operand 13 states. [2020-10-24 01:26:37,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:26:37,106 INFO L93 Difference]: Finished difference Result 6661 states and 7269 transitions. [2020-10-24 01:26:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 01:26:37,107 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 291 [2020-10-24 01:26:37,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:26:37,111 INFO L225 Difference]: With dead ends: 6661 [2020-10-24 01:26:37,112 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 01:26:37,126 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2020-10-24 01:26:37,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 01:26:37,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 01:26:37,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 01:26:37,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 01:26:37,127 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 291 [2020-10-24 01:26:37,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:26:37,128 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 01:26:37,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 01:26:37,128 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 01:26:37,128 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 01:26:37,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 01:26:37,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 01:26:54,973 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 174 [2020-10-24 01:27:08,680 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 174 [2020-10-24 01:27:25,180 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 174 [2020-10-24 01:27:25,286 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 174 [2020-10-24 01:27:25,416 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 174 [2020-10-24 01:27:25,527 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 174 [2020-10-24 01:27:33,188 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 174 [2020-10-24 01:27:33,297 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 174 [2020-10-24 01:27:33,407 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 174 [2020-10-24 01:27:40,039 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 174 [2020-10-24 01:27:46,618 WARN L193 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:27:47,145 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-10-24 01:27:49,478 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:27:50,158 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 77 [2020-10-24 01:27:51,080 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:27:53,409 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:27:55,741 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:27:58,073 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:27:58,990 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:27:59,904 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:28:00,822 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:28:03,166 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:28:03,885 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2020-10-24 01:28:04,635 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:28:05,447 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 72 [2020-10-24 01:28:05,974 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2020-10-24 01:28:06,523 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2020-10-24 01:28:07,177 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:28:07,976 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2020-10-24 01:28:08,704 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 67 [2020-10-24 01:28:09,487 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2020-10-24 01:28:11,861 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:28:14,242 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:28:14,856 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2020-10-24 01:28:15,548 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 65 [2020-10-24 01:28:16,489 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:28:17,418 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:28:19,785 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:28:20,793 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 154 DAG size of output: 70 [2020-10-24 01:28:22,191 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 154 DAG size of output: 77 [2020-10-24 01:28:24,594 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:28:25,348 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 72 [2020-10-24 01:28:26,228 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-10-24 01:28:27,014 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 70 [2020-10-24 01:28:27,746 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2020-10-24 01:28:28,303 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2020-10-24 01:28:30,708 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:28:31,246 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-10-24 01:28:31,902 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:28:34,317 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:28:35,113 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 70 [2020-10-24 01:28:36,197 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 159 DAG size of output: 77 [2020-10-24 01:28:38,595 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:28:39,220 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2020-10-24 01:28:40,496 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 153 DAG size of output: 77 [2020-10-24 01:28:42,915 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:28:45,324 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:28:46,090 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2020-10-24 01:28:47,102 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-10-24 01:28:47,665 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2020-10-24 01:28:48,522 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2020-10-24 01:28:49,154 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2020-10-24 01:28:49,900 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2020-10-24 01:28:50,641 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 67 [2020-10-24 01:28:51,244 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 73 [2020-10-24 01:28:52,298 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 145 DAG size of output: 71 [2020-10-24 01:28:53,195 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 75 [2020-10-24 01:28:55,610 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:28:58,025 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:29:00,470 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:29:01,488 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 147 DAG size of output: 71 [2020-10-24 01:29:02,061 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-10-24 01:29:04,491 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:29:05,263 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:29:05,956 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-10-24 01:29:06,654 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2020-10-24 01:29:09,067 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:29:10,027 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:29:12,449 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:29:14,859 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:29:17,273 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:29:18,244 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:29:19,021 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2020-10-24 01:29:21,484 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:29:22,911 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 153 DAG size of output: 77 [2020-10-24 01:29:23,777 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 76 [2020-10-24 01:29:24,551 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2020-10-24 01:29:25,552 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-10-24 01:29:26,118 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2020-10-24 01:29:26,803 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:29:27,579 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2020-10-24 01:29:30,064 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:29:32,542 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:29:33,372 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2020-10-24 01:29:33,991 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2020-10-24 01:29:34,778 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 73 [2020-10-24 01:29:35,649 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 68 [2020-10-24 01:29:36,778 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 150 DAG size of output: 77 [2020-10-24 01:29:39,231 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:29:41,727 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:29:44,226 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:29:45,337 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2020-10-24 01:29:46,314 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:29:47,290 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:29:49,739 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:29:50,718 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:29:53,179 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:29:55,639 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:29:56,549 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 75 [2020-10-24 01:29:57,906 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 153 DAG size of output: 78 [2020-10-24 01:29:58,705 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 69 [2020-10-24 01:29:59,561 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2020-10-24 01:30:00,349 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 69 [2020-10-24 01:30:02,877 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:30:03,583 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:30:06,099 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:30:06,862 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 61 [2020-10-24 01:30:07,721 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 68 [2020-10-24 01:30:08,813 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 151 DAG size of output: 73 [2020-10-24 01:30:11,330 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:30:13,840 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:30:16,359 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:30:17,154 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 73 [2020-10-24 01:30:18,015 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-10-24 01:30:18,729 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:30:21,219 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:30:22,223 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:30:23,211 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:30:24,197 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:30:25,062 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 70 [2020-10-24 01:30:25,870 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2020-10-24 01:30:26,573 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:30:27,612 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 159 DAG size of output: 75 [2020-10-24 01:30:28,538 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 73 [2020-10-24 01:30:29,364 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:30:30,179 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:30:31,018 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2020-10-24 01:30:31,890 WARN L193 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2020-10-24 01:30:32,684 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2020-10-24 01:30:35,221 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:30:36,069 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2020-10-24 01:30:38,624 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:30:41,169 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:30:41,792 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2020-10-24 01:30:42,463 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2020-10-24 01:30:43,179 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:30:43,992 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:30:44,595 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2020-10-24 01:30:45,380 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2020-10-24 01:30:46,227 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-10-24 01:30:46,944 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:30:47,793 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 70 [2020-10-24 01:30:48,603 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2020-10-24 01:30:49,613 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:30:50,622 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:30:53,165 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:30:54,160 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:30:56,769 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:30:57,791 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:30:58,619 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 69 [2020-10-24 01:30:59,418 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2020-10-24 01:31:00,218 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 68 [2020-10-24 01:31:02,784 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:31:03,658 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 66 [2020-10-24 01:31:04,491 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 65 [2020-10-24 01:31:05,318 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-10-24 01:31:08,065 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:31:09,162 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:31:11,907 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:31:14,613 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:31:15,535 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2020-10-24 01:31:18,181 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:31:19,251 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:31:21,916 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:31:22,704 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-10-24 01:31:23,497 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-10-24 01:31:24,273 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-10-24 01:31:26,925 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:31:27,984 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:31:30,531 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:31:31,176 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2020-10-24 01:31:31,999 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2020-10-24 01:31:32,868 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2020-10-24 01:31:35,560 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:31:36,373 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-10-24 01:31:37,259 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2020-10-24 01:31:38,180 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2020-10-24 01:31:40,810 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:31:43,452 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:31:44,344 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-10-24 01:31:47,040 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:31:47,787 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-10-24 01:31:50,458 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:31:53,096 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:31:55,964 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:31:56,737 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:31:57,571 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 65 [2020-10-24 01:32:00,319 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:32:01,186 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2020-10-24 01:32:03,914 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:32:04,899 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 74 [2020-10-24 01:32:05,773 WARN L193 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-10-24 01:32:06,730 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 72 [2020-10-24 01:32:07,489 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:32:08,323 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2020-10-24 01:32:09,243 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2020-10-24 01:32:10,152 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2020-10-24 01:32:11,072 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 70 [2020-10-24 01:32:11,951 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 69 [2020-10-24 01:32:12,822 WARN L193 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2020-10-24 01:32:13,578 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:32:14,212 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 69 [2020-10-24 01:32:16,913 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:32:17,749 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 65 [2020-10-24 01:32:18,515 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2020-10-24 01:32:19,333 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2020-10-24 01:32:20,179 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2020-10-24 01:32:22,904 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:32:25,611 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:32:26,368 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:32:27,274 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2020-10-24 01:32:28,481 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2020-10-24 01:32:29,294 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 61 [2020-10-24 01:32:30,230 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2020-10-24 01:32:31,122 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:32:31,932 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 67 [2020-10-24 01:32:32,547 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-10-24 01:32:35,267 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:32:37,993 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:32:39,104 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2020-10-24 01:32:41,815 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:32:44,532 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:32:45,178 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2020-10-24 01:32:47,903 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:32:49,125 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 150 DAG size of output: 73 [2020-10-24 01:32:51,830 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:32:52,879 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:32:55,495 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:32:58,090 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:33:00,696 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:33:01,459 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-10-24 01:33:02,503 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:33:03,553 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:33:06,157 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:33:06,922 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-10-24 01:33:07,767 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-10-24 01:33:08,613 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2020-10-24 01:33:09,483 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2020-10-24 01:33:10,362 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 66 [2020-10-24 01:33:11,280 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 74 [2020-10-24 01:33:12,017 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:33:12,851 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2020-10-24 01:33:13,689 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2020-10-24 01:33:14,485 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2020-10-24 01:33:15,323 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-10-24 01:33:16,248 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2020-10-24 01:33:17,440 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 147 DAG size of output: 71 [2020-10-24 01:33:18,615 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 154 DAG size of output: 75 [2020-10-24 01:33:19,371 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-10-24 01:33:21,987 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:33:22,681 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-10-24 01:33:23,486 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-10-24 01:33:24,097 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2020-10-24 01:33:26,760 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:33:27,979 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 150 DAG size of output: 77 [2020-10-24 01:33:29,108 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-10-24 01:33:29,980 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2020-10-24 01:33:30,783 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2020-10-24 01:33:31,394 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-10-24 01:33:32,141 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:33:32,996 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 72 [2020-10-24 01:33:34,584 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 154 DAG size of output: 77 [2020-10-24 01:33:35,443 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2020-10-24 01:33:36,369 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2020-10-24 01:33:39,054 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:33:41,738 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:33:42,482 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:33:45,166 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:33:47,820 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:33:48,940 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 149 DAG size of output: 73 [2020-10-24 01:33:49,966 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2020-10-24 01:33:50,725 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:33:51,486 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:33:52,329 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2020-10-24 01:33:53,202 WARN L193 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:33:55,904 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:33:56,744 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2020-10-24 01:33:57,674 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2020-10-24 01:34:00,382 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:34:00,985 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2020-10-24 01:34:03,672 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:34:04,387 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2020-10-24 01:34:05,209 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 68 [2020-10-24 01:34:07,906 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:34:08,840 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 64 [2020-10-24 01:34:09,772 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2020-10-24 01:34:10,683 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2020-10-24 01:34:11,338 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 64 [2020-10-24 01:34:12,141 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2020-10-24 01:34:13,093 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 76 [2020-10-24 01:34:14,200 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-10-24 01:34:15,648 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 153 DAG size of output: 77 [2020-10-24 01:34:16,262 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-10-24 01:34:17,379 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-10-24 01:34:18,254 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2020-10-24 01:34:19,851 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 154 DAG size of output: 77 [2020-10-24 01:34:20,706 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2020-10-24 01:34:21,577 WARN L193 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 69 [2020-10-24 01:34:22,291 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2020-10-24 01:34:23,062 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:34:23,931 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2020-10-24 01:34:26,670 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:34:26,778 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 34 [2020-10-24 01:34:29,497 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:34:30,280 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:34:31,338 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2020-10-24 01:34:32,099 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:34:33,042 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 73 [2020-10-24 01:34:33,858 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 76 [2020-10-24 01:34:34,736 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2020-10-24 01:34:35,450 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2020-10-24 01:34:36,561 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-10-24 01:34:37,355 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:34:38,290 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-10-24 01:34:39,209 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2020-10-24 01:34:40,045 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 68 [2020-10-24 01:34:42,770 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:34:43,855 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:34:44,804 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2020-10-24 01:34:47,512 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:34:50,263 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:34:51,174 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:34:53,883 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:34:54,670 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-10-24 01:34:55,462 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-10-24 01:34:56,243 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-10-24 01:34:58,963 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:35:00,050 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:35:02,771 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:35:05,471 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:35:06,565 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:35:09,270 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:35:12,003 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:35:12,808 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-10-24 01:35:13,549 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2020-10-24 01:35:14,707 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 149 DAG size of output: 73 [2020-10-24 01:35:15,593 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2020-10-24 01:35:16,444 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2020-10-24 01:35:17,247 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-10-24 01:35:19,985 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:35:22,639 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 189 DAG size of output: 73 [2020-10-24 01:35:23,482 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 65 [2020-10-24 01:35:26,258 WARN L193 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:35:28,996 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:35:30,104 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:35:31,207 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:35:32,001 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-10-24 01:35:34,743 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:35:35,596 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 61 [2020-10-24 01:35:36,453 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 61 [2020-10-24 01:35:37,311 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 61 [2020-10-24 01:35:38,206 WARN L193 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 61 [2020-10-24 01:35:48,037 WARN L193 SmtUtils]: Spent 9.82 s on a formula simplification. DAG size of input: 299 DAG size of output: 159 [2020-10-24 01:35:57,942 WARN L193 SmtUtils]: Spent 9.87 s on a formula simplification. DAG size of input: 299 DAG size of output: 159 [2020-10-24 01:36:00,814 WARN L193 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:36:01,665 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 77 [2020-10-24 01:36:02,651 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-10-24 01:36:05,511 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:36:06,380 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2020-10-24 01:36:09,253 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:36:10,335 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2020-10-24 01:36:11,298 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2020-10-24 01:36:14,170 WARN L193 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:36:17,031 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:36:18,182 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 154 DAG size of output: 74 [2020-10-24 01:36:19,734 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 153 DAG size of output: 77 [2020-10-24 01:36:20,667 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2020-10-24 01:36:21,796 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 104 DAG size of output: 76 [2020-10-24 01:36:23,103 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 154 DAG size of output: 75 [2020-10-24 01:36:23,931 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:36:24,776 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 73 [2020-10-24 01:36:25,739 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 72 [2020-10-24 01:36:26,748 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-10-24 01:36:27,475 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2020-10-24 01:36:30,376 WARN L193 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:36:33,270 WARN L193 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:36:36,193 WARN L193 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:36:37,012 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:36:39,910 WARN L193 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:36:40,741 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-10-24 01:36:43,603 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:36:46,474 WARN L193 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:36:49,368 WARN L193 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:36:50,519 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:36:51,677 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:36:52,520 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2020-10-24 01:36:55,460 WARN L193 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:36:56,453 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2020-10-24 01:36:57,670 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-10-24 01:36:58,619 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-10-24 01:36:59,549 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2020-10-24 01:37:00,221 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-10-24 01:37:01,426 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 151 DAG size of output: 69 [2020-10-24 01:37:02,359 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2020-10-24 01:37:03,323 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 76 [2020-10-24 01:37:04,086 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 73 [2020-10-24 01:37:04,804 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 64 [2020-10-24 01:37:05,708 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 61 [2020-10-24 01:37:06,611 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 61 [2020-10-24 01:37:07,528 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 61 [2020-10-24 01:37:08,525 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 65 [2020-10-24 01:37:09,219 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2020-10-24 01:37:10,219 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2020-10-24 01:37:11,234 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 148 DAG size of output: 70 [2020-10-24 01:37:14,192 WARN L193 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:37:14,965 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2020-10-24 01:37:15,833 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 56 [2020-10-24 01:37:18,801 WARN L193 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:37:21,822 WARN L193 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:37:22,678 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:37:24,036 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 156 DAG size of output: 77 [2020-10-24 01:37:25,044 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 99 DAG size of output: 67 [2020-10-24 01:37:26,201 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 110 DAG size of output: 76 [2020-10-24 01:37:27,202 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 68 [2020-10-24 01:37:30,202 WARN L193 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:37:30,939 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2020-10-24 01:37:33,890 WARN L193 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:37:36,887 WARN L193 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:37:37,960 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2020-10-24 01:37:38,956 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:37:40,135 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-10-24 01:37:40,993 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-10-24 01:37:43,969 WARN L193 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:37:44,760 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2020-10-24 01:37:45,694 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2020-10-24 01:37:46,678 WARN L193 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2020-10-24 01:37:49,689 WARN L193 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:37:52,696 WARN L193 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:37:53,563 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:37:54,597 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 99 DAG size of output: 70 [2020-10-24 01:37:55,640 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2020-10-24 01:37:56,754 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 110 DAG size of output: 74 [2020-10-24 01:37:58,018 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 148 DAG size of output: 71 [2020-10-24 01:37:59,101 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 106 DAG size of output: 74 [2020-10-24 01:37:59,894 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-10-24 01:38:01,667 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 153 DAG size of output: 77 [2020-10-24 01:38:02,433 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2020-10-24 01:38:03,561 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2020-10-24 01:38:06,594 WARN L193 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:38:07,632 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:38:08,725 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 104 DAG size of output: 68 [2020-10-24 01:38:09,758 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 146 DAG size of output: 70 [2020-10-24 01:38:10,606 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:38:11,643 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2020-10-24 01:38:12,743 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 99 DAG size of output: 67 [2020-10-24 01:38:15,794 WARN L193 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:38:16,761 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 69 [2020-10-24 01:38:19,811 WARN L193 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:38:20,925 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 154 DAG size of output: 76 [2020-10-24 01:38:21,827 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:38:24,893 WARN L193 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:38:25,952 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2020-10-24 01:38:26,971 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2020-10-24 01:38:27,817 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 74 [2020-10-24 01:38:30,892 WARN L193 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-10-24 01:38:33,972 WARN L193 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-10-24 01:38:34,861 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-10-24 01:38:35,644 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2020-10-24 01:38:36,668 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2020-10-24 01:38:37,606 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 61 [2020-10-24 01:38:38,480 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-10-24 01:38:39,642 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 156 DAG size of output: 74 [2020-10-24 01:38:40,618 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-10-24 01:38:41,676 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 99 DAG size of output: 70