/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/product-lines/minepump_spec5_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 21:21:43,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 21:21:43,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 21:21:43,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 21:21:43,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 21:21:43,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 21:21:43,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 21:21:43,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 21:21:43,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 21:21:43,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 21:21:43,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 21:21:43,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 21:21:43,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 21:21:43,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 21:21:43,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 21:21:43,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 21:21:43,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 21:21:43,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 21:21:43,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 21:21:43,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 21:21:43,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 21:21:43,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 21:21:43,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 21:21:43,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 21:21:43,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 21:21:43,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 21:21:43,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 21:21:43,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 21:21:43,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 21:21:43,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 21:21:43,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 21:21:43,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 21:21:43,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 21:21:43,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 21:21:43,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 21:21:43,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 21:21:43,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 21:21:43,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 21:21:43,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 21:21:43,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 21:21:43,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 21:21:43,475 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 21:21:43,496 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 21:21:43,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 21:21:43,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 21:21:43,498 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 21:21:43,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 21:21:43,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 21:21:43,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 21:21:43,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 21:21:43,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 21:21:43,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 21:21:43,501 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 21:21:43,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 21:21:43,501 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 21:21:43,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 21:21:43,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 21:21:43,502 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 21:21:43,502 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 21:21:43,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 21:21:43,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 21:21:43,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 21:21:43,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 21:21:43,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 21:21:43,503 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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 [2020-09-04 21:21:43,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 21:21:43,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 21:21:43,958 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 21:21:43,960 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 21:21:43,960 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 21:21:43,961 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-09-04 21:21:44,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2faec1859/cd6ba37da4da4cd68d4cca2b14155250/FLAGd9c0ebf18 [2020-09-04 21:21:44,595 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 21:21:44,596 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-09-04 21:21:44,618 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2faec1859/cd6ba37da4da4cd68d4cca2b14155250/FLAGd9c0ebf18 [2020-09-04 21:21:44,874 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2faec1859/cd6ba37da4da4cd68d4cca2b14155250 [2020-09-04 21:21:44,887 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 21:21:44,889 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 21:21:44,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 21:21:44,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 21:21:44,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 21:21:44,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:21:44" (1/1) ... [2020-09-04 21:21:44,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5298ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:44, skipping insertion in model container [2020-09-04 21:21:44,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:21:44" (1/1) ... [2020-09-04 21:21:44,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 21:21:44,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 21:21:45,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:21:45,433 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 21:21:45,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:21:45,584 INFO L208 MainTranslator]: Completed translation [2020-09-04 21:21:45,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:45 WrapperNode [2020-09-04 21:21:45,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 21:21:45,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 21:21:45,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 21:21:45,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 21:21:45,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:45" (1/1) ... [2020-09-04 21:21:45,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:45" (1/1) ... [2020-09-04 21:21:45,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:45" (1/1) ... [2020-09-04 21:21:45,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:45" (1/1) ... [2020-09-04 21:21:45,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:45" (1/1) ... [2020-09-04 21:21:45,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:45" (1/1) ... [2020-09-04 21:21:45,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:45" (1/1) ... [2020-09-04 21:21:45,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 21:21:45,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 21:21:45,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 21:21:45,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 21:21:45,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:45" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 21:21:45,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 21:21:45,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 21:21:45,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 21:21:45,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-04 21:21:45,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-04 21:21:45,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-04 21:21:45,781 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 21:21:45,781 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 21:21:45,781 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 21:21:45,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 21:21:45,781 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 21:21:45,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 21:21:45,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 21:21:45,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-04 21:21:45,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 21:21:45,782 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 21:21:45,783 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 21:21:45,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 21:21:45,783 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 21:21:45,783 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 21:21:45,783 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 21:21:45,787 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 21:21:45,787 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 21:21:45,787 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-04 21:21:45,787 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 21:21:45,788 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 21:21:45,788 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 21:21:45,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 21:21:45,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 21:21:45,788 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 21:21:45,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 21:21:45,789 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-04 21:21:45,789 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-04 21:21:45,789 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 21:21:45,789 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 21:21:45,789 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 21:21:45,789 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 21:21:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 21:21:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 21:21:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 21:21:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 21:21:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 21:21:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 21:21:45,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 21:21:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 21:21:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 21:21:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 21:21:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 21:21:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 21:21:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 21:21:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-04 21:21:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-04 21:21:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-04 21:21:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 21:21:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 21:21:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 21:21:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 21:21:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 21:21:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 21:21:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-04 21:21:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 21:21:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 21:21:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 21:21:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 21:21:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 21:21:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 21:21:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 21:21:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 21:21:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 21:21:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 21:21:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 21:21:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 21:21:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 21:21:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 21:21:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-04 21:21:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 21:21:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 21:21:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 21:21:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 21:21:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-04 21:21:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-04 21:21:45,797 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 21:21:45,797 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 21:21:45,797 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 21:21:45,797 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 21:21:45,797 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 21:21:45,797 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 21:21:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 21:21:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 21:21:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 21:21:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 21:21:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 21:21:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 21:21:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 21:21:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 21:21:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 21:21:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 21:21:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 21:21:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 21:21:45,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 21:21:45,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 21:21:45,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 21:21:46,990 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 21:21:46,991 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 21:21:46,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:21:46 BoogieIcfgContainer [2020-09-04 21:21:46,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 21:21:46,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 21:21:47,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 21:21:47,003 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 21:21:47,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 09:21:44" (1/3) ... [2020-09-04 21:21:47,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c6b2ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:21:47, skipping insertion in model container [2020-09-04 21:21:47,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:45" (2/3) ... [2020-09-04 21:21:47,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c6b2ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:21:47, skipping insertion in model container [2020-09-04 21:21:47,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:21:46" (3/3) ... [2020-09-04 21:21:47,007 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2020-09-04 21:21:47,019 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 21:21:47,029 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 21:21:47,051 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 21:21:47,075 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 21:21:47,075 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 21:21:47,075 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 21:21:47,075 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 21:21:47,075 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 21:21:47,075 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 21:21:47,076 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 21:21:47,076 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 21:21:47,100 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states. [2020-09-04 21:21:47,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-04 21:21:47,125 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:21:47,126 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-04 21:21:47,127 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:21:47,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:21:47,134 INFO L82 PathProgramCache]: Analyzing trace with hash -492062203, now seen corresponding path program 1 times [2020-09-04 21:21:47,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:21:47,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [882073287] [2020-09-04 21:21:47,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:21:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:47,955 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:21:47,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:21:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:48,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:21:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:48,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:21:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:48,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:21:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:48,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:21:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:48,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:21:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:48,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 21:21:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:48,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:21:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:48,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 21:21:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:48,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 21:21:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:48,133 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:21:48,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [882073287] [2020-09-04 21:21:48,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:21:48,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 21:21:48,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879128253] [2020-09-04 21:21:48,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 21:21:48,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:21:48,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 21:21:48,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 21:21:48,164 INFO L87 Difference]: Start difference. First operand 354 states. Second operand 4 states. [2020-09-04 21:21:49,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:21:49,590 INFO L93 Difference]: Finished difference Result 569 states and 666 transitions. [2020-09-04 21:21:49,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 21:21:49,593 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-04 21:21:49,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:21:49,614 INFO L225 Difference]: With dead ends: 569 [2020-09-04 21:21:49,615 INFO L226 Difference]: Without dead ends: 351 [2020-09-04 21:21:49,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 21:21:49,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2020-09-04 21:21:49,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 303. [2020-09-04 21:21:49,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2020-09-04 21:21:49,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 331 transitions. [2020-09-04 21:21:49,795 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 331 transitions. Word has length 160 [2020-09-04 21:21:49,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:21:49,796 INFO L479 AbstractCegarLoop]: Abstraction has 303 states and 331 transitions. [2020-09-04 21:21:49,796 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 21:21:49,797 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 331 transitions. [2020-09-04 21:21:49,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-04 21:21:49,802 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:21:49,803 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-04 21:21:49,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 21:21:49,804 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:21:49,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:21:49,804 INFO L82 PathProgramCache]: Analyzing trace with hash -2075110629, now seen corresponding path program 1 times [2020-09-04 21:21:49,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:21:49,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1717574804] [2020-09-04 21:21:49,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:21:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:50,231 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:21:50,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:21:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:50,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:21:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:50,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:21:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:50,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:21:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:50,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:21:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:50,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:21:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:50,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:21:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:50,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:21:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:50,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:21:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:50,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:21:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:50,337 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:21:50,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1717574804] [2020-09-04 21:21:50,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:21:50,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 21:21:50,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344992850] [2020-09-04 21:21:50,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 21:21:50,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:21:50,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 21:21:50,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 21:21:50,341 INFO L87 Difference]: Start difference. First operand 303 states and 331 transitions. Second operand 5 states. [2020-09-04 21:21:51,054 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:21:52,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:21:52,476 INFO L93 Difference]: Finished difference Result 494 states and 558 transitions. [2020-09-04 21:21:52,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 21:21:52,477 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-04 21:21:52,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:21:52,482 INFO L225 Difference]: With dead ends: 494 [2020-09-04 21:21:52,483 INFO L226 Difference]: Without dead ends: 340 [2020-09-04 21:21:52,485 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 21:21:52,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-09-04 21:21:52,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 293. [2020-09-04 21:21:52,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-09-04 21:21:52,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 318 transitions. [2020-09-04 21:21:52,559 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 318 transitions. Word has length 161 [2020-09-04 21:21:52,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:21:52,560 INFO L479 AbstractCegarLoop]: Abstraction has 293 states and 318 transitions. [2020-09-04 21:21:52,560 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 21:21:52,560 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 318 transitions. [2020-09-04 21:21:52,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-04 21:21:52,564 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:21:52,564 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2020-09-04 21:21:52,564 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 21:21:52,564 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:21:52,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:21:52,565 INFO L82 PathProgramCache]: Analyzing trace with hash -301318836, now seen corresponding path program 1 times [2020-09-04 21:21:52,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:21:52,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [339219033] [2020-09-04 21:21:52,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:21:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,000 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:21:53,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:21:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:21:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:21:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:21:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:21:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:21:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:21:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:21:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:21:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-04 21:21:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-04 21:21:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,159 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:21:53,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [339219033] [2020-09-04 21:21:53,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:21:53,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 21:21:53,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849685803] [2020-09-04 21:21:53,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 21:21:53,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:21:53,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 21:21:53,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 21:21:53,162 INFO L87 Difference]: Start difference. First operand 293 states and 318 transitions. Second operand 11 states. [2020-09-04 21:21:53,776 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:21:54,197 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:21:54,569 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:21:54,902 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:21:55,229 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:21:55,550 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:21:57,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:21:57,799 INFO L93 Difference]: Finished difference Result 541 states and 623 transitions. [2020-09-04 21:21:57,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 21:21:57,800 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-09-04 21:21:57,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:21:57,805 INFO L225 Difference]: With dead ends: 541 [2020-09-04 21:21:57,805 INFO L226 Difference]: Without dead ends: 363 [2020-09-04 21:21:57,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-09-04 21:21:57,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-09-04 21:21:57,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 293. [2020-09-04 21:21:57,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-09-04 21:21:57,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 317 transitions. [2020-09-04 21:21:57,940 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 317 transitions. Word has length 174 [2020-09-04 21:21:57,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:21:57,942 INFO L479 AbstractCegarLoop]: Abstraction has 293 states and 317 transitions. [2020-09-04 21:21:57,942 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 21:21:57,942 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 317 transitions. [2020-09-04 21:21:57,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-04 21:21:57,949 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:21:57,949 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:21:57,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 21:21:57,950 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:21:57,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:21:57,950 INFO L82 PathProgramCache]: Analyzing trace with hash 453454143, now seen corresponding path program 1 times [2020-09-04 21:21:57,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:21:57,951 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1129728914] [2020-09-04 21:21:57,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:21:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,385 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:21:58,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:21:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:21:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:21:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:21:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:21:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:21:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:21:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:21:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:21:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:21:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:21:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:21:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:21:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-04 21:21:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-04 21:21:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,637 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:21:58,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1129728914] [2020-09-04 21:21:58,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:21:58,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 21:21:58,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472161666] [2020-09-04 21:21:58,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 21:21:58,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:21:58,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 21:21:58,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 21:21:58,640 INFO L87 Difference]: Start difference. First operand 293 states and 317 transitions. Second operand 8 states. [2020-09-04 21:21:59,183 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:22:01,338 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:02,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:22:02,479 INFO L93 Difference]: Finished difference Result 736 states and 875 transitions. [2020-09-04 21:22:02,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 21:22:02,480 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 192 [2020-09-04 21:22:02,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:22:02,488 INFO L225 Difference]: With dead ends: 736 [2020-09-04 21:22:02,488 INFO L226 Difference]: Without dead ends: 558 [2020-09-04 21:22:02,489 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-09-04 21:22:02,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2020-09-04 21:22:02,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 420. [2020-09-04 21:22:02,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-09-04 21:22:02,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 454 transitions. [2020-09-04 21:22:02,605 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 454 transitions. Word has length 192 [2020-09-04 21:22:02,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:22:02,605 INFO L479 AbstractCegarLoop]: Abstraction has 420 states and 454 transitions. [2020-09-04 21:22:02,606 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 21:22:02,606 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 454 transitions. [2020-09-04 21:22:02,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-04 21:22:02,609 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:22:02,609 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:22:02,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 21:22:02,610 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:22:02,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:22:02,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1112059106, now seen corresponding path program 1 times [2020-09-04 21:22:02,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:22:02,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [654166391] [2020-09-04 21:22:02,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:22:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:02,966 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:22:02,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:03,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:22:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:03,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:22:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:03,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:22:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:03,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:22:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:03,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:22:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:03,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:22:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:03,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:22:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:03,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:03,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:22:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:03,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:03,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:03,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:03,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:22:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:03,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:22:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:03,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-04 21:22:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:03,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-04 21:22:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:03,406 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-04 21:22:03,407 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [654166391] [2020-09-04 21:22:03,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:22:03,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 21:22:03,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081897951] [2020-09-04 21:22:03,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 21:22:03,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:22:03,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 21:22:03,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 21:22:03,410 INFO L87 Difference]: Start difference. First operand 420 states and 454 transitions. Second operand 11 states. [2020-09-04 21:22:04,086 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:22:05,036 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:05,350 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:22:06,472 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:22:06,855 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:07,223 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:07,980 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:08,283 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:22:08,598 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:09,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:22:09,766 INFO L93 Difference]: Finished difference Result 862 states and 1004 transitions. [2020-09-04 21:22:09,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-04 21:22:09,766 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 216 [2020-09-04 21:22:09,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:22:09,774 INFO L225 Difference]: With dead ends: 862 [2020-09-04 21:22:09,774 INFO L226 Difference]: Without dead ends: 557 [2020-09-04 21:22:09,776 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-09-04 21:22:09,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2020-09-04 21:22:09,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 419. [2020-09-04 21:22:09,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-09-04 21:22:09,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 451 transitions. [2020-09-04 21:22:09,939 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 451 transitions. Word has length 216 [2020-09-04 21:22:09,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:22:09,940 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 451 transitions. [2020-09-04 21:22:09,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 21:22:09,941 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 451 transitions. [2020-09-04 21:22:09,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-04 21:22:09,943 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:22:09,943 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:22:09,944 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 21:22:09,944 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:22:09,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:22:09,945 INFO L82 PathProgramCache]: Analyzing trace with hash -181604155, now seen corresponding path program 1 times [2020-09-04 21:22:09,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:22:09,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [986993655] [2020-09-04 21:22:09,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:22:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:10,304 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:22:10,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:10,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:22:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:10,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:22:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:10,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:22:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:10,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:22:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:10,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:22:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:10,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:22:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:10,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:22:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:10,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:10,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:22:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:10,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:10,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:10,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:10,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:22:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:10,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:22:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:10,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-04 21:22:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:10,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-04 21:22:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:10,597 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:22:10,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [986993655] [2020-09-04 21:22:10,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:22:10,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 21:22:10,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747695872] [2020-09-04 21:22:10,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 21:22:10,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:22:10,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 21:22:10,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 21:22:10,599 INFO L87 Difference]: Start difference. First operand 419 states and 451 transitions. Second operand 11 states. [2020-09-04 21:22:12,036 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:12,350 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:22:12,673 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:22:12,970 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:13,277 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:22:13,575 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:15,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:22:15,014 INFO L93 Difference]: Finished difference Result 863 states and 1001 transitions. [2020-09-04 21:22:15,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 21:22:15,015 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2020-09-04 21:22:15,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:22:15,019 INFO L225 Difference]: With dead ends: 863 [2020-09-04 21:22:15,019 INFO L226 Difference]: Without dead ends: 559 [2020-09-04 21:22:15,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-04 21:22:15,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2020-09-04 21:22:15,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 427. [2020-09-04 21:22:15,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2020-09-04 21:22:15,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 459 transitions. [2020-09-04 21:22:15,131 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 459 transitions. Word has length 217 [2020-09-04 21:22:15,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:22:15,131 INFO L479 AbstractCegarLoop]: Abstraction has 427 states and 459 transitions. [2020-09-04 21:22:15,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 21:22:15,131 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 459 transitions. [2020-09-04 21:22:15,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-04 21:22:15,133 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:22:15,133 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:22:15,134 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 21:22:15,134 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:22:15,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:22:15,134 INFO L82 PathProgramCache]: Analyzing trace with hash -243932891, now seen corresponding path program 1 times [2020-09-04 21:22:15,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:22:15,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1504485200] [2020-09-04 21:22:15,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:22:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,470 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:22:15,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:22:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:22:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:22:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:22:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:22:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:22:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:22:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:22:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:22:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:22:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-04 21:22:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-04 21:22:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,785 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:22:15,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1504485200] [2020-09-04 21:22:15,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:22:15,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 21:22:15,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872025251] [2020-09-04 21:22:15,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 21:22:15,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:22:15,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 21:22:15,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-09-04 21:22:15,792 INFO L87 Difference]: Start difference. First operand 427 states and 459 transitions. Second operand 14 states. [2020-09-04 21:22:16,474 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:16,723 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:22:17,016 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:17,309 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:22:17,596 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:18,728 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:19,029 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:22:19,342 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:19,661 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:22:19,950 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:21,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:22:21,792 INFO L93 Difference]: Finished difference Result 882 states and 1033 transitions. [2020-09-04 21:22:21,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 21:22:21,793 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 217 [2020-09-04 21:22:21,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:22:21,798 INFO L225 Difference]: With dead ends: 882 [2020-09-04 21:22:21,798 INFO L226 Difference]: Without dead ends: 570 [2020-09-04 21:22:21,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-09-04 21:22:21,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2020-09-04 21:22:21,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 433. [2020-09-04 21:22:21,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2020-09-04 21:22:21,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 465 transitions. [2020-09-04 21:22:21,992 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 465 transitions. Word has length 217 [2020-09-04 21:22:21,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:22:21,993 INFO L479 AbstractCegarLoop]: Abstraction has 433 states and 465 transitions. [2020-09-04 21:22:21,993 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 21:22:21,993 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 465 transitions. [2020-09-04 21:22:21,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-04 21:22:21,995 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:22:21,995 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:22:21,996 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 21:22:21,996 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:22:21,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:22:21,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1895973026, now seen corresponding path program 1 times [2020-09-04 21:22:21,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:22:21,997 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1941363003] [2020-09-04 21:22:21,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:22:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:22,306 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:22:22,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:22,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:22:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:22,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:22:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:22,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:22:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:22,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:22:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:22,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:22:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:22,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:22:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:22,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:22:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:22,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:22,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:22:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:22,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:22,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:22,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:22,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:22:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:22,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:22:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:22,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-04 21:22:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:22,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-04 21:22:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:22,546 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:22:22,546 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1941363003] [2020-09-04 21:22:22,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:22:22,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 21:22:22,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049711976] [2020-09-04 21:22:22,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 21:22:22,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:22:22,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 21:22:22,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 21:22:22,549 INFO L87 Difference]: Start difference. First operand 433 states and 465 transitions. Second operand 8 states. [2020-09-04 21:22:23,127 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:22:23,805 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:22:27,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:22:27,304 INFO L93 Difference]: Finished difference Result 1223 states and 1469 transitions. [2020-09-04 21:22:27,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-04 21:22:27,305 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2020-09-04 21:22:27,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:22:27,311 INFO L225 Difference]: With dead ends: 1223 [2020-09-04 21:22:27,311 INFO L226 Difference]: Without dead ends: 905 [2020-09-04 21:22:27,313 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 45 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-09-04 21:22:27,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2020-09-04 21:22:27,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 698. [2020-09-04 21:22:27,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 698 states. [2020-09-04 21:22:27,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 769 transitions. [2020-09-04 21:22:27,548 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 769 transitions. Word has length 217 [2020-09-04 21:22:27,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:22:27,548 INFO L479 AbstractCegarLoop]: Abstraction has 698 states and 769 transitions. [2020-09-04 21:22:27,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 21:22:27,548 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 769 transitions. [2020-09-04 21:22:27,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-04 21:22:27,551 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:22:27,551 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:22:27,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 21:22:27,551 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:22:27,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:22:27,552 INFO L82 PathProgramCache]: Analyzing trace with hash -343933007, now seen corresponding path program 1 times [2020-09-04 21:22:27,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:22:27,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1418485382] [2020-09-04 21:22:27,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:22:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:28,010 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:22:28,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:28,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:22:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:28,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:22:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:28,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:22:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:28,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:22:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:28,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:22:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:28,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:22:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:28,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:22:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:28,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 21:22:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:28,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:28,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-04 21:22:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:28,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:28,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:28,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:28,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:22:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:28,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:22:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:28,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-04 21:22:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:28,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-04 21:22:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:28,335 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:22:28,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1418485382] [2020-09-04 21:22:28,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:22:28,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-04 21:22:28,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086940763] [2020-09-04 21:22:28,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 21:22:28,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:22:28,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 21:22:28,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-09-04 21:22:28,338 INFO L87 Difference]: Start difference. First operand 698 states and 769 transitions. Second operand 15 states. [2020-09-04 21:22:29,239 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 21:22:30,154 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:22:32,324 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-04 21:22:32,896 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 21:22:33,234 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:33,541 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:22:34,125 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-04 21:22:34,465 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:34,808 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:22:35,104 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:37,424 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:22:37,715 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:38,079 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:38,791 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 21:22:40,721 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-04 21:22:41,299 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-04 21:22:42,003 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 21:22:42,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:22:42,943 INFO L93 Difference]: Finished difference Result 2186 states and 2616 transitions. [2020-09-04 21:22:42,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-09-04 21:22:42,944 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 222 [2020-09-04 21:22:42,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:22:42,956 INFO L225 Difference]: With dead ends: 2186 [2020-09-04 21:22:42,956 INFO L226 Difference]: Without dead ends: 1715 [2020-09-04 21:22:42,960 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1093 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=754, Invalid=2906, Unknown=0, NotChecked=0, Total=3660 [2020-09-04 21:22:42,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2020-09-04 21:22:43,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1271. [2020-09-04 21:22:43,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1271 states. [2020-09-04 21:22:43,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 1389 transitions. [2020-09-04 21:22:43,466 INFO L78 Accepts]: Start accepts. Automaton has 1271 states and 1389 transitions. Word has length 222 [2020-09-04 21:22:43,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:22:43,467 INFO L479 AbstractCegarLoop]: Abstraction has 1271 states and 1389 transitions. [2020-09-04 21:22:43,467 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 21:22:43,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1389 transitions. [2020-09-04 21:22:43,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-09-04 21:22:43,471 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:22:43,471 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:22:43,472 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 21:22:43,472 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:22:43,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:22:43,472 INFO L82 PathProgramCache]: Analyzing trace with hash 731830726, now seen corresponding path program 1 times [2020-09-04 21:22:43,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:22:43,473 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2117865628] [2020-09-04 21:22:43,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:22:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:43,869 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:22:43,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:43,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:22:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:43,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:22:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:43,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:22:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:43,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:22:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:43,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:22:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:43,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:22:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:43,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:22:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:22:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:22:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:22:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:22:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 21:22:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-04 21:22:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-04 21:22:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-09-04 21:22:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-09-04 21:22:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:22:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:22:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:22:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:22:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2020-09-04 21:22:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2020-09-04 21:22:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:44,422 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 34 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-04 21:22:44,423 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2117865628] [2020-09-04 21:22:44,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:22:44,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-04 21:22:44,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817013136] [2020-09-04 21:22:44,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 21:22:44,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:22:44,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 21:22:44,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-09-04 21:22:44,426 INFO L87 Difference]: Start difference. First operand 1271 states and 1389 transitions. Second operand 19 states. [2020-09-04 21:22:45,323 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:22:45,764 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:22:46,116 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:22:46,475 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:22:46,850 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:22:47,169 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:22:48,314 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:22:48,660 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:22:48,994 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:22:49,623 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 21:22:50,701 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:22:51,320 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:22:51,713 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-09-04 21:22:53,867 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:22:54,475 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:22:54,819 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:22:55,458 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 21:22:55,899 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:22:56,735 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:57,407 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:22:57,811 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:22:59,117 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:22:59,754 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-04 21:23:00,411 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-09-04 21:23:01,645 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-04 21:23:03,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:23:03,447 INFO L93 Difference]: Finished difference Result 3034 states and 3506 transitions. [2020-09-04 21:23:03,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-09-04 21:23:03,447 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 336 [2020-09-04 21:23:03,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:23:03,459 INFO L225 Difference]: With dead ends: 3034 [2020-09-04 21:23:03,459 INFO L226 Difference]: Without dead ends: 1985 [2020-09-04 21:23:03,464 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1901 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=1278, Invalid=5364, Unknown=0, NotChecked=0, Total=6642 [2020-09-04 21:23:03,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2020-09-04 21:23:04,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1502. [2020-09-04 21:23:04,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1502 states. [2020-09-04 21:23:04,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1502 states and 1648 transitions. [2020-09-04 21:23:04,101 INFO L78 Accepts]: Start accepts. Automaton has 1502 states and 1648 transitions. Word has length 336 [2020-09-04 21:23:04,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:23:04,102 INFO L479 AbstractCegarLoop]: Abstraction has 1502 states and 1648 transitions. [2020-09-04 21:23:04,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 21:23:04,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 1648 transitions. [2020-09-04 21:23:04,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2020-09-04 21:23:04,110 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:23:04,111 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:23:04,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 21:23:04,112 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:23:04,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:23:04,112 INFO L82 PathProgramCache]: Analyzing trace with hash -91043531, now seen corresponding path program 1 times [2020-09-04 21:23:04,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:23:04,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [429638782] [2020-09-04 21:23:04,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:23:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,533 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:23:04,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:23:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:23:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:23:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:23:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:23:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:23:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:23:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:23:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:23:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 21:23:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-04 21:23:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-04 21:23:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:23:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:23:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:23:04,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-09-04 21:23:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-09-04 21:23:04,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:23:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:23:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:05,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:05,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2020-09-04 21:23:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:05,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-09-04 21:23:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:05,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:05,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-09-04 21:23:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:05,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:05,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:05,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:05,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:05,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:05,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2020-09-04 21:23:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:05,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2020-09-04 21:23:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:05,261 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 124 proven. 38 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-09-04 21:23:05,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [429638782] [2020-09-04 21:23:05,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:23:05,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-04 21:23:05,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412080318] [2020-09-04 21:23:05,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 21:23:05,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:23:05,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 21:23:05,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:23:05,264 INFO L87 Difference]: Start difference. First operand 1502 states and 1648 transitions. Second operand 17 states. [2020-09-04 21:23:07,646 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:23:07,956 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:08,267 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:08,590 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:23:08,893 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:09,227 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:23:11,912 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:12,302 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:23:14,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:23:14,440 INFO L93 Difference]: Finished difference Result 4323 states and 5108 transitions. [2020-09-04 21:23:14,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-09-04 21:23:14,441 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 511 [2020-09-04 21:23:14,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:23:14,456 INFO L225 Difference]: With dead ends: 4323 [2020-09-04 21:23:14,456 INFO L226 Difference]: Without dead ends: 2735 [2020-09-04 21:23:14,462 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 123 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 461 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=486, Invalid=1676, Unknown=0, NotChecked=0, Total=2162 [2020-09-04 21:23:14,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2735 states. [2020-09-04 21:23:15,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2735 to 1907. [2020-09-04 21:23:15,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1907 states. [2020-09-04 21:23:15,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1907 states and 2125 transitions. [2020-09-04 21:23:15,426 INFO L78 Accepts]: Start accepts. Automaton has 1907 states and 2125 transitions. Word has length 511 [2020-09-04 21:23:15,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:23:15,427 INFO L479 AbstractCegarLoop]: Abstraction has 1907 states and 2125 transitions. [2020-09-04 21:23:15,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 21:23:15,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 2125 transitions. [2020-09-04 21:23:15,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2020-09-04 21:23:15,435 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:23:15,435 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2020-09-04 21:23:15,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 21:23:15,436 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:23:15,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:23:15,436 INFO L82 PathProgramCache]: Analyzing trace with hash -489533782, now seen corresponding path program 1 times [2020-09-04 21:23:15,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:23:15,436 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [497852057] [2020-09-04 21:23:15,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:23:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:15,836 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:23:15,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:15,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:23:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:15,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:23:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:15,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:23:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:15,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:23:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:15,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:23:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:15,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:23:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:15,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:23:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:15,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:23:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:23:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 21:23:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-04 21:23:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-04 21:23:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:23:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:23:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:23:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:23:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-09-04 21:23:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-09-04 21:23:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:23:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:23:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-09-04 21:23:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2020-09-04 21:23:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-09-04 21:23:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2020-09-04 21:23:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2020-09-04 21:23:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2020-09-04 21:23:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:16,422 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 134 proven. 45 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2020-09-04 21:23:16,422 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [497852057] [2020-09-04 21:23:16,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:23:16,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-04 21:23:16,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482041619] [2020-09-04 21:23:16,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 21:23:16,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:23:16,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 21:23:16,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-09-04 21:23:16,425 INFO L87 Difference]: Start difference. First operand 1907 states and 2125 transitions. Second operand 19 states. [2020-09-04 21:23:17,057 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:23:17,553 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:17,881 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:23:18,211 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:18,530 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:23:18,827 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:20,186 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:23:20,592 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:22,148 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:23:22,841 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:23:23,322 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:23,836 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:23:25,145 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:23:25,472 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:27,131 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:23:27,463 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:27,781 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:23:29,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:23:29,498 INFO L93 Difference]: Finished difference Result 3999 states and 4669 transitions. [2020-09-04 21:23:29,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-09-04 21:23:29,499 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 525 [2020-09-04 21:23:29,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:23:29,511 INFO L225 Difference]: With dead ends: 3999 [2020-09-04 21:23:29,511 INFO L226 Difference]: Without dead ends: 2350 [2020-09-04 21:23:29,518 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=665, Invalid=2641, Unknown=0, NotChecked=0, Total=3306 [2020-09-04 21:23:29,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2350 states. [2020-09-04 21:23:30,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2350 to 1835. [2020-09-04 21:23:30,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1835 states. [2020-09-04 21:23:30,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2026 transitions. [2020-09-04 21:23:30,159 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2026 transitions. Word has length 525 [2020-09-04 21:23:30,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:23:30,160 INFO L479 AbstractCegarLoop]: Abstraction has 1835 states and 2026 transitions. [2020-09-04 21:23:30,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 21:23:30,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2026 transitions. [2020-09-04 21:23:30,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2020-09-04 21:23:30,168 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:23:30,168 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 21:23:30,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 21:23:30,169 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:23:30,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:23:30,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1697119339, now seen corresponding path program 1 times [2020-09-04 21:23:30,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:23:30,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1466545204] [2020-09-04 21:23:30,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:23:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,584 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:23:30,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:23:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:23:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:23:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:23:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:23:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:23:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:23:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:23:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:23:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 21:23:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-04 21:23:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-04 21:23:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:23:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:23:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:23:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:23:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2020-09-04 21:23:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2020-09-04 21:23:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:30,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:31,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:31,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:31,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:23:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:31,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:23:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:31,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:31,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-04 21:23:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:31,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2020-09-04 21:23:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:31,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-09-04 21:23:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:31,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:31,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2020-09-04 21:23:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:31,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:31,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:31,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:31,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:31,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:31,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-09-04 21:23:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:31,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2020-09-04 21:23:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:31,398 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 114 proven. 2 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2020-09-04 21:23:31,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1466545204] [2020-09-04 21:23:31,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:23:31,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-04 21:23:31,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177792945] [2020-09-04 21:23:31,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 21:23:31,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:23:31,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 21:23:31,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:23:31,401 INFO L87 Difference]: Start difference. First operand 1835 states and 2026 transitions. Second operand 17 states. [2020-09-04 21:23:32,064 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:23:33,375 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:23:38,015 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:38,355 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:23:38,703 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:39,052 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:23:39,373 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:39,684 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:40,025 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:23:40,352 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:23:40,696 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:41,021 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:41,455 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:23:42,074 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 21:23:42,386 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:42,972 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 21:23:43,307 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:23:43,672 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:44,039 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:23:44,388 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:23:47,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:23:47,649 INFO L93 Difference]: Finished difference Result 6110 states and 7195 transitions. [2020-09-04 21:23:47,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-09-04 21:23:47,650 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 526 [2020-09-04 21:23:47,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:23:47,671 INFO L225 Difference]: With dead ends: 6110 [2020-09-04 21:23:47,672 INFO L226 Difference]: Without dead ends: 4403 [2020-09-04 21:23:47,679 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 131 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1037 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=795, Invalid=3237, Unknown=0, NotChecked=0, Total=4032 [2020-09-04 21:23:47,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4403 states. [2020-09-04 21:23:49,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4403 to 3496. [2020-09-04 21:23:49,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3496 states. [2020-09-04 21:23:49,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3496 states to 3496 states and 3833 transitions. [2020-09-04 21:23:49,160 INFO L78 Accepts]: Start accepts. Automaton has 3496 states and 3833 transitions. Word has length 526 [2020-09-04 21:23:49,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:23:49,161 INFO L479 AbstractCegarLoop]: Abstraction has 3496 states and 3833 transitions. [2020-09-04 21:23:49,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 21:23:49,161 INFO L276 IsEmpty]: Start isEmpty. Operand 3496 states and 3833 transitions. [2020-09-04 21:23:49,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-09-04 21:23:49,171 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:23:49,172 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2020-09-04 21:23:49,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 21:23:49,172 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:23:49,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:23:49,173 INFO L82 PathProgramCache]: Analyzing trace with hash 98793960, now seen corresponding path program 1 times [2020-09-04 21:23:49,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:23:49,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [25494261] [2020-09-04 21:23:49,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:23:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,617 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:23:49,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:23:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:23:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:23:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:23:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:23:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:23:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:23:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:23:49,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:23:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 21:23:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-04 21:23:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-04 21:23:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:23:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:49,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:23:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:23:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:23:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2020-09-04 21:23:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-09-04 21:23:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-09-04 21:23:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:23:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:23:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-09-04 21:23:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-09-04 21:23:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-09-04 21:23:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2020-09-04 21:23:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2020-09-04 21:23:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2020-09-04 21:23:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,305 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 127 proven. 47 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2020-09-04 21:23:50,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [25494261] [2020-09-04 21:23:50,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:23:50,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:23:50,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634678207] [2020-09-04 21:23:50,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:23:50,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:23:50,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:23:50,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:23:50,307 INFO L87 Difference]: Start difference. First operand 3496 states and 3833 transitions. Second operand 18 states. [2020-09-04 21:23:50,971 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:23:52,987 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:23:54,074 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:54,408 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:23:55,022 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:23:55,341 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:55,954 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-04 21:23:56,278 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:23:56,862 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:23:57,476 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:23:58,131 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 196 [2020-09-04 21:23:58,724 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:23:59,359 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 21:24:03,370 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 21:24:03,998 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-09-04 21:24:05,623 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:24:06,807 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:24:07,189 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:24:07,848 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:24:08,181 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:24:08,870 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:24:09,209 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:24:09,805 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:24:10,169 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:24:10,580 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:24:10,936 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:24:16,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:24:16,735 INFO L93 Difference]: Finished difference Result 10057 states and 12239 transitions. [2020-09-04 21:24:16,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2020-09-04 21:24:16,736 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 531 [2020-09-04 21:24:16,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:24:16,776 INFO L225 Difference]: With dead ends: 10057 [2020-09-04 21:24:16,776 INFO L226 Difference]: Without dead ends: 7934 [2020-09-04 21:24:16,787 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 162 SyntacticMatches, 6 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3811 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=1846, Invalid=9074, Unknown=0, NotChecked=0, Total=10920 [2020-09-04 21:24:16,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7934 states. [2020-09-04 21:24:18,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7934 to 5049. [2020-09-04 21:24:18,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5049 states. [2020-09-04 21:24:18,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5049 states to 5049 states and 5478 transitions. [2020-09-04 21:24:18,768 INFO L78 Accepts]: Start accepts. Automaton has 5049 states and 5478 transitions. Word has length 531 [2020-09-04 21:24:18,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:24:18,769 INFO L479 AbstractCegarLoop]: Abstraction has 5049 states and 5478 transitions. [2020-09-04 21:24:18,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:24:18,769 INFO L276 IsEmpty]: Start isEmpty. Operand 5049 states and 5478 transitions. [2020-09-04 21:24:18,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2020-09-04 21:24:18,786 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:24:18,786 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:24:18,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-04 21:24:18,787 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:24:18,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:24:18,787 INFO L82 PathProgramCache]: Analyzing trace with hash -148667118, now seen corresponding path program 1 times [2020-09-04 21:24:18,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:24:18,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1419160728] [2020-09-04 21:24:18,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:24:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,244 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:24:19,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:24:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:24:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:24:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:24:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:24:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:24:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:24:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:24:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:24:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:24:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 21:24:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-04 21:24:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-04 21:24:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:24:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:24:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:24:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:24:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:24:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:24:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:24:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2020-09-04 21:24:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-09-04 21:24:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-09-04 21:24:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:24:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:24:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:24:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:24:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:24:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:24:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-09-04 21:24:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2020-09-04 21:24:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-09-04 21:24:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:24:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:24:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-04 21:24:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:24:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2020-09-04 21:24:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2020-09-04 21:24:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2020-09-04 21:24:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2020-09-04 21:24:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:24:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2020-09-04 21:24:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:19,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2020-09-04 21:24:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:20,007 INFO L134 CoverageAnalysis]: Checked inductivity of 859 backedges. 181 proven. 87 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2020-09-04 21:24:20,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1419160728] [2020-09-04 21:24:20,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:24:20,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:24:20,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143040170] [2020-09-04 21:24:20,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:24:20,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:24:20,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:24:20,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:24:20,010 INFO L87 Difference]: Start difference. First operand 5049 states and 5478 transitions. Second operand 18 states. [2020-09-04 21:24:21,102 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:24:22,386 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:24:26,732 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:24:27,059 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 21:24:27,414 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:24:27,729 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:24:28,037 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:24:28,583 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 21:24:33,389 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-04 21:24:33,712 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:24:34,307 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-04 21:24:34,693 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:24:35,091 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:24:35,436 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:24:35,754 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:24:41,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:24:41,004 INFO L93 Difference]: Finished difference Result 17833 states and 21546 transitions. [2020-09-04 21:24:41,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-09-04 21:24:41,005 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 649 [2020-09-04 21:24:41,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:24:41,062 INFO L225 Difference]: With dead ends: 17833 [2020-09-04 21:24:41,062 INFO L226 Difference]: Without dead ends: 12418 [2020-09-04 21:24:41,082 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 183 SyntacticMatches, 10 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2503 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=1586, Invalid=6424, Unknown=0, NotChecked=0, Total=8010 [2020-09-04 21:24:41,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12418 states. [2020-09-04 21:24:43,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12418 to 6704. [2020-09-04 21:24:43,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6704 states. [2020-09-04 21:24:43,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6704 states to 6704 states and 7249 transitions. [2020-09-04 21:24:43,720 INFO L78 Accepts]: Start accepts. Automaton has 6704 states and 7249 transitions. Word has length 649 [2020-09-04 21:24:43,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:24:43,721 INFO L479 AbstractCegarLoop]: Abstraction has 6704 states and 7249 transitions. [2020-09-04 21:24:43,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:24:43,721 INFO L276 IsEmpty]: Start isEmpty. Operand 6704 states and 7249 transitions. [2020-09-04 21:24:43,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2020-09-04 21:24:43,742 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:24:43,743 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:24:43,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-04 21:24:43,743 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:24:43,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:24:43,744 INFO L82 PathProgramCache]: Analyzing trace with hash -413806704, now seen corresponding path program 1 times [2020-09-04 21:24:43,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:24:43,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2021297292] [2020-09-04 21:24:43,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:24:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,164 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:24:44,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:24:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:24:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:24:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:24:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:24:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:24:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:24:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:24:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:24:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:24:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 21:24:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-04 21:24:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-04 21:24:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:24:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:24:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:24:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:24:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:24:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:24:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:24:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-09-04 21:24:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-09-04 21:24:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-09-04 21:24:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:24:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:24:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:44,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:24:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:24:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:24:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:24:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2020-09-04 21:24:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2020-09-04 21:24:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2020-09-04 21:24:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:24:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:24:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:24:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:24:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:24:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:24:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2020-09-04 21:24:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2020-09-04 21:24:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2020-09-04 21:24:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-09-04 21:24:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:24:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 638 [2020-09-04 21:24:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2020-09-04 21:24:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:44,921 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 169 proven. 18 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2020-09-04 21:24:44,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2021297292] [2020-09-04 21:24:44,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:24:44,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:24:44,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897708273] [2020-09-04 21:24:44,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:24:44,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:24:44,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:24:44,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:24:44,924 INFO L87 Difference]: Start difference. First operand 6704 states and 7249 transitions. Second operand 18 states. [2020-09-04 21:24:45,830 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:24:46,148 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:24:46,461 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:24:46,769 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:24:47,065 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:24:51,014 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:24:51,329 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:24:51,643 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:24:51,954 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:24:52,264 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:24:52,557 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:24:53,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:24:53,457 INFO L93 Difference]: Finished difference Result 8145 states and 8981 transitions. [2020-09-04 21:24:53,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-09-04 21:24:53,458 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 661 [2020-09-04 21:24:53,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:24:53,460 INFO L225 Difference]: With dead ends: 8145 [2020-09-04 21:24:53,460 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 21:24:53,474 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=529, Invalid=1633, Unknown=0, NotChecked=0, Total=2162 [2020-09-04 21:24:53,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 21:24:53,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 21:24:53,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 21:24:53,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 21:24:53,476 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 661 [2020-09-04 21:24:53,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:24:53,476 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 21:24:53,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:24:53,477 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 21:24:53,477 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 21:24:53,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-04 21:24:53,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 21:24:54,020 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:24:54,652 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 222 [2020-09-04 21:24:55,148 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 21:24:55,480 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:24:55,835 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:24:56,495 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 21:24:56,844 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:24:57,691 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 198 [2020-09-04 21:24:58,344 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 224 [2020-09-04 21:24:59,179 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 21:24:59,939 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 199 [2020-09-04 21:25:00,277 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:25:13,888 WARN L193 SmtUtils]: Spent 13.60 s on a formula simplification. DAG size of input: 694 DAG size of output: 566 [2020-09-04 21:25:14,221 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:25:14,627 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:25:15,012 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:25:28,292 WARN L193 SmtUtils]: Spent 13.25 s on a formula simplification. DAG size of input: 694 DAG size of output: 566 [2020-09-04 21:25:28,678 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:25:29,042 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:25:29,449 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:25:29,799 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:25:30,212 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:25:30,577 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:25:30,934 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:25:43,992 WARN L193 SmtUtils]: Spent 13.06 s on a formula simplification. DAG size of input: 694 DAG size of output: 566 [2020-09-04 21:25:44,335 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:25:45,723 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:25:46,156 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:25:47,824 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 264 DAG size of output: 256 [2020-09-04 21:25:48,359 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:25:48,761 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:25:50,490 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 265 DAG size of output: 257 [2020-09-04 21:25:50,851 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:25:51,193 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:25:51,535 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:25:51,882 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:25:52,497 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:25:52,838 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:25:53,504 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 228 [2020-09-04 21:25:53,865 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:25:54,477 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:25:55,047 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 229 [2020-09-04 21:25:55,402 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:25:55,753 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:25:56,101 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:25:56,446 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:25:56,787 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:25:57,135 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:25:57,733 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:25:58,834 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 235 DAG size of output: 234 [2020-09-04 21:25:59,176 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:25:59,528 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:25:59,887 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:26:00,224 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:26:00,564 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:26:00,899 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:26:01,956 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 21:26:02,292 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:26:02,623 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:26:02,967 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:26:04,023 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 21:26:05,099 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 234 DAG size of output: 233 [2020-09-04 21:26:05,450 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:26:05,799 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:26:06,135 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:26:06,487 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:26:06,824 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:26:07,168 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:26:07,506 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:26:08,342 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:26:08,694 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:26:09,289 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:26:09,630 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:26:09,963 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:26:11,038 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 235 DAG size of output: 234 [2020-09-04 21:26:12,134 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2020-09-04 21:26:12,479 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:26:13,307 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:26:13,925 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:26:14,533 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:26:15,160 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:26:15,780 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:26:16,199 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:26:16,626 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:26:18,227 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 262 DAG size of output: 254 [2020-09-04 21:26:18,622 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:26:19,017 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:26:20,618 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 263 DAG size of output: 255 [2020-09-04 21:26:21,028 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:26:21,800 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 244 [2020-09-04 21:26:23,126 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 241 DAG size of output: 240 [2020-09-04 21:26:23,529 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:26:23,938 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:26:24,352 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:26:24,744 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:26:25,151 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:26:25,543 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:26:26,920 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 261 DAG size of output: 252 [2020-09-04 21:26:27,317 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:26:27,705 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:26:28,105 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:26:29,306 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 262 DAG size of output: 221 [2020-09-04 21:26:30,603 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 240 DAG size of output: 239 [2020-09-04 21:26:31,012 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:26:31,418 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:26:31,809 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:26:32,190 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:26:32,583 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:26:32,992 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:26:33,388 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:26:34,565 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 21:26:34,944 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:26:35,714 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 21:26:36,114 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:26:36,502 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:26:37,799 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 241 DAG size of output: 240 [2020-09-04 21:26:39,255 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 242 DAG size of output: 241 [2020-09-04 21:26:39,658 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:26:40,822 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 242 DAG size of output: 233 [2020-09-04 21:26:41,227 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:26:41,655 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:26:43,255 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 262 DAG size of output: 254 [2020-09-04 21:26:43,650 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:26:44,047 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:26:45,649 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 263 DAG size of output: 255 [2020-09-04 21:26:46,912 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 258 DAG size of output: 229 [2020-09-04 21:26:47,464 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:26:48,023 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:26:48,576 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:26:49,733 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 257 DAG size of output: 228 [2020-09-04 21:26:50,285 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:26:51,189 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:26:51,979 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:26:52,362 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:26:53,143 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:26:54,069 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:26:55,227 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 257 DAG size of output: 246 [2020-09-04 21:26:56,129 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 238 [2020-09-04 21:26:57,048 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:26:58,172 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2020-09-04 21:26:58,545 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:27:10,485 WARN L193 SmtUtils]: Spent 11.93 s on a formula simplification. DAG size of input: 678 DAG size of output: 554 [2020-09-04 21:27:11,026 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:27:11,410 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:27:11,795 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:27:12,184 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:27:12,894 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 21:27:13,279 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:27:14,020 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:27:14,424 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:27:15,128 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 237 [2020-09-04 21:27:15,864 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:27:16,260 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:27:16,653 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:27:17,043 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:27:17,430 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:27:17,770 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:27:18,107 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:27:18,501 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:27:18,912 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:27:20,260 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 240 DAG size of output: 235 [2020-09-04 21:27:20,882 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-09-04 21:27:21,872 WARN L193 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 202 [2020-09-04 21:27:22,487 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 224 [2020-09-04 21:27:23,115 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-09-04 21:27:24,115 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 203 [2020-09-04 21:27:24,762 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 224 [2020-09-04 21:27:25,390 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 224 [2020-09-04 21:27:25,988 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 225 [2020-09-04 21:27:26,620 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-09-04 21:27:27,387 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-09-04 21:27:28,308 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:27:29,662 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 242 DAG size of output: 237 [2020-09-04 21:27:31,006 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 241 DAG size of output: 236 [2020-09-04 21:27:31,619 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 223 [2020-09-04 21:27:32,244 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-09-04 21:27:32,845 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 224 [2020-09-04 21:27:33,479 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 224 [2020-09-04 21:27:34,393 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:27:35,760 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 241 DAG size of output: 236 [2020-09-04 21:27:36,383 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 223 [2020-09-04 21:27:36,779 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:27:37,128 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:27:38,831 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 240 DAG size of output: 235 [2020-09-04 21:27:39,453 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-09-04 21:27:40,444 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 202 [2020-09-04 21:27:41,060 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 224 [2020-09-04 21:27:41,688 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-09-04 21:27:42,690 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 203 [2020-09-04 21:27:43,335 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 224 [2020-09-04 21:27:43,963 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 224 [2020-09-04 21:27:44,563 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 225 [2020-09-04 21:27:45,197 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-09-04 21:27:45,837 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-09-04 21:27:46,761 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:27:48,112 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 242 DAG size of output: 237 [2020-09-04 21:27:49,460 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 241 DAG size of output: 236 [2020-09-04 21:27:50,073 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 223 [2020-09-04 21:27:50,700 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-09-04 21:27:51,298 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 224 [2020-09-04 21:27:51,933 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 224 [2020-09-04 21:27:52,847 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:27:54,205 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 241 DAG size of output: 236 [2020-09-04 21:27:54,826 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 223 [2020-09-04 21:27:55,180 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:27:55,527 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:27:56,138 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:27:56,479 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:27:57,143 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 228 [2020-09-04 21:27:57,496 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:27:58,110 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:27:58,679 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 229 [2020-09-04 21:27:59,038 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:27:59,391 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:27:59,745 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:28:00,084 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:28:00,439 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:28:00,784 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:28:02,890 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:28:03,244 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:28:04,185 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:28:05,097 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:28:05,476 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:28:05,852 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:28:07,490 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:28:07,846 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:28:08,771 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:28:09,677 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:28:10,045 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:28:10,399 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:28:11,334 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:28:12,247 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:28:13,159 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 230 [2020-09-04 21:28:13,697 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 224 [2020-09-04 21:28:14,249 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 224 [2020-09-04 21:28:14,789 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:28:15,497 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 229 [2020-09-04 21:28:16,034 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:28:16,870 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 198 [2020-09-04 21:28:17,199 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:28:17,846 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 224 [2020-09-04 21:28:18,463 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 222 [2020-09-04 21:28:19,210 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 199 [2020-09-04 21:28:19,542 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:28:20,022 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:28:20,667 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 21:28:21,319 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 21:28:21,797 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 21:28:25,396 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:28:25,741 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:28:26,086 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:28:26,469 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:28:26,830 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:28:27,644 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-09-04 21:28:28,003 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:28:28,869 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-09-04 21:28:29,240 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:28:29,994 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 228 [2020-09-04 21:28:30,864 WARN L193 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 228 [2020-09-04 21:28:31,242 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:28:31,609 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:28:31,981 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:28:32,337 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:28:32,711 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:28:33,073 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:28:33,439 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:28:33,801 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:28:34,619 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-09-04 21:28:34,979 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:28:35,844 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-09-04 21:28:36,215 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:28:36,973 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 228 [2020-09-04 21:28:37,842 WARN L193 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 228 [2020-09-04 21:28:38,218 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:28:38,585 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:28:38,957 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:28:39,314 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:28:39,688 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:28:40,050 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:28:40,409 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:28:40,760 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:28:41,696 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 237 [2020-09-04 21:28:42,635 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 238 [2020-09-04 21:28:43,023 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:28:43,406 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:28:44,348 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 229 [2020-09-04 21:28:44,729 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:28:45,684 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-09-04 21:28:46,079 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:28:47,082 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 230 [2020-09-04 21:28:47,923 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-09-04 21:28:48,327 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:28:48,716 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:28:49,109 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:28:49,488 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:28:49,883 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:28:50,267 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:28:50,959 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 228 [2020-09-04 21:28:51,209 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 21:28:51,459 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 31 [2020-09-04 21:28:51,714 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 21:28:51,966 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 31 [2020-09-04 21:28:52,592 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 225 [2020-09-04 21:28:53,213 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 225 [2020-09-04 21:28:53,481 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 31 [2020-09-04 21:28:53,730 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 31 [2020-09-04 21:28:54,363 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 224 [2020-09-04 21:28:54,987 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 224 [2020-09-04 21:28:55,242 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 21:28:55,493 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 21:28:56,184 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 21:28:56,569 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 21:28:57,260 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 21:28:57,511 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 21:28:58,206 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 21:28:58,896 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 21:28:59,148 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 21:28:59,772 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 224 [2020-09-04 21:29:00,397 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 224 [2020-09-04 21:29:01,092 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 21:29:01,784 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 21:29:02,479 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 21:29:03,169 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 21:29:03,861 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 228 [2020-09-04 21:29:04,552 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 228 [2020-09-04 21:29:04,805 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 21:29:05,054 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 21:29:05,745 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 228 [2020-09-04 21:29:06,080 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:29:06,453 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:29:06,826 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:29:07,193 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:29:07,547 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:29:07,900 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:29:08,250 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:29:08,601 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:29:09,874 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:29:10,787 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:29:11,142 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:29:11,499 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:29:12,115 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:29:12,482 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:29:12,837 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:29:13,171 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:29:13,514 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:29:14,616 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 252 DAG size of output: 229 [2020-09-04 21:29:15,233 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:29:15,858 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:29:16,474 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:29:17,570 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 251 DAG size of output: 228 [2020-09-04 21:29:18,182 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:29:18,543 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:29:18,896 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:29:19,827 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 237 [2020-09-04 21:29:20,762 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 238 [2020-09-04 21:29:21,623 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:29:22,483 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:29:22,833 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:29:23,172 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:29:23,983 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 230 [2020-09-04 21:29:24,787 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 230 [2020-09-04 21:29:25,116 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:29:25,450 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:29:25,779 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:29:26,114 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:29:27,171 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 21:29:28,220 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 21:29:28,897 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:29:29,573 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:29:30,246 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 228 [2020-09-04 21:29:30,905 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 228 [2020-09-04 21:29:31,500 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:29:32,089 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:29:32,418 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:29:32,747 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:29:33,096 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:29:33,437 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:29:34,491 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 21:29:35,540 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 21:29:35,884 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:29:36,216 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:29:37,175 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 21:29:38,123 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:29:39,072 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 21:29:40,152 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:29:41,125 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:29:42,072 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:29:43,039 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 21:29:43,989 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 21:29:44,939 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 21:29:45,890 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 21:29:46,845 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 21:29:47,811 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 21:29:48,763 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 21:29:49,375 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:29:49,715 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:29:50,075 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:29:50,417 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:29:50,764 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:29:51,123 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:29:51,734 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:29:52,076 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:29:52,779 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 228 [2020-09-04 21:29:53,028 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 21:29:53,281 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 31 [2020-09-04 21:29:53,531 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 21:29:53,782 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 31 [2020-09-04 21:29:54,404 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 225 [2020-09-04 21:29:55,025 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 225 [2020-09-04 21:29:55,296 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 31 [2020-09-04 21:29:55,545 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 31 [2020-09-04 21:29:56,177 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 224 [2020-09-04 21:29:56,805 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 224 [2020-09-04 21:29:57,063 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 21:29:57,312 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 21:29:58,002 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 21:29:58,253 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 21:29:58,947 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 21:29:59,196 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 21:29:59,892 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 21:30:00,582 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 21:30:00,833 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 21:30:01,456 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 224 [2020-09-04 21:30:02,083 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 224 [2020-09-04 21:30:02,782 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 21:30:03,475 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 21:30:04,166 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 21:30:04,856 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 21:30:05,549 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 228 [2020-09-04 21:30:06,240 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 228 [2020-09-04 21:30:06,494 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 21:30:06,743 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 21:30:07,432 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 228 [2020-09-04 21:30:08,044 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:30:08,384 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:30:08,752 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:30:09,093 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:30:09,440 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:30:09,800 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:30:10,410 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:30:10,752 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:30:11,104 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:30:11,463 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:30:12,374 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:30:12,992 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:30:13,368 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:30:13,723 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:30:14,640 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 233 [2020-09-04 21:30:15,562 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 234 [2020-09-04 21:30:15,908 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 37 [2020-09-04 21:30:16,244 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 38 [2020-09-04 21:30:16,608 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:30:17,088 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:30:30,126 WARN L193 SmtUtils]: Spent 13.02 s on a formula simplification. DAG size of input: 694 DAG size of output: 566 [2020-09-04 21:30:30,744 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 222 [2020-09-04 21:30:31,228 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 21:30:31,558 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:30:32,214 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 21:30:33,053 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 198 [2020-09-04 21:30:33,700 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 224 [2020-09-04 21:30:34,049 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:30:34,694 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 21:30:35,171 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:30:35,917 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 199 [2020-09-04 21:30:36,262 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:30:36,593 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:30:44,661 WARN L193 SmtUtils]: Spent 8.06 s on a formula simplification. DAG size of input: 617 DAG size of output: 485 [2020-09-04 21:30:56,482 WARN L193 SmtUtils]: Spent 11.82 s on a formula simplification. DAG size of input: 678 DAG size of output: 554 [2020-09-04 21:30:57,112 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 237 [2020-09-04 21:30:57,587 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 240 [2020-09-04 21:30:58,085 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 21:30:58,565 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:30:59,191 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 237 [2020-09-04 21:30:59,676 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 241 [2020-09-04 21:31:00,611 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 251 [2020-09-04 21:31:01,238 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 238 [2020-09-04 21:31:01,869 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 238 [2020-09-04 21:31:02,802 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 252 [2020-09-04 21:31:03,618 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 230 [2020-09-04 21:31:04,424 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 230 [2020-09-04 21:31:05,023 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:31:06,073 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 21:31:06,737 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 227 [2020-09-04 21:31:07,398 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 227 [2020-09-04 21:31:07,991 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:31:08,652 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 227 [2020-09-04 21:31:09,243 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:31:09,908 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 227 [2020-09-04 21:31:10,501 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:31:10,843 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:31:11,185 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:31:11,523 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:31:12,574 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 21:31:12,909 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:31:13,956 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 21:31:14,296 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:31:14,634 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:31:15,308 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 226 [2020-09-04 21:31:15,981 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 226 [2020-09-04 21:31:16,319 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:31:16,656 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:31:16,996 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:31:17,333 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:31:17,669 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:31:18,004 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:31:18,335 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:31:18,663 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:31:19,717 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 21:31:20,770 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 21:31:21,110 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:31:21,452 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:31:22,129 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:31:22,805 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:31:23,866 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 21:31:24,913 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 21:31:25,965 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 21:31:27,013 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 21:31:27,344 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:31:27,672 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:31:28,730 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 21:31:29,778 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 21:31:30,120 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:31:30,459 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:31:31,049 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:31:31,379 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:31:31,969 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:31:32,776 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 229 [2020-09-04 21:31:33,827 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 21:31:34,633 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 229 [2020-09-04 21:31:35,682 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 21:31:36,487 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 229 [2020-09-04 21:31:36,828 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:31:37,633 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 229 [2020-09-04 21:31:37,976 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:31:38,638 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 228 [2020-09-04 21:31:39,311 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 226 [2020-09-04 21:31:39,971 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 228 [2020-09-04 21:31:41,021 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 21:31:41,692 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 226 [2020-09-04 21:31:42,022 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:31:42,353 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:31:42,685 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:31:43,462 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:31:44,358 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:31:45,143 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:31:45,516 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:31:46,443 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:31:47,605 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 257 DAG size of output: 246 [2020-09-04 21:31:48,523 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:31:49,427 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 238 [2020-09-04 21:31:50,543 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2020-09-04 21:31:50,922 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:31:52,848 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:31:53,217 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:32:06,211 WARN L193 SmtUtils]: Spent 12.90 s on a formula simplification. DAG size of input: 694 DAG size of output: 566 [2020-09-04 21:32:06,543 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:32:06,874 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:32:07,937 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 21:32:08,986 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 21:32:09,319 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:32:10,366 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 21:32:10,695 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:32:11,744 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 21:32:12,086 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:32:12,428 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:32:13,256 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:32:14,079 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:32:14,673 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:32:15,720 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 21:32:16,775 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 21:32:17,364 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:32:17,706 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:32:18,047 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:32:18,382 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:32:18,717 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:32:19,817 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2020-09-04 21:32:20,908 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2020-09-04 21:32:21,247 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:32:21,584 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:32:21,922 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:32:22,258 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:32:22,597 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:32:23,653 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 21:32:23,988 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:32:25,040 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 21:32:25,632 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:32:26,226 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:32:26,562 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:32:26,900 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:32:27,491 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:32:28,082 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:32:28,906 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:32:29,731 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:32:30,822 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 235 DAG size of output: 234 [2020-09-04 21:32:31,914 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 235 DAG size of output: 234 [2020-09-04 21:32:33,001 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 235 DAG size of output: 234 [2020-09-04 21:32:34,088 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 235 DAG size of output: 234 [2020-09-04 21:32:35,162 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 235 DAG size of output: 234 [2020-09-04 21:32:36,233 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 235 DAG size of output: 234 [2020-09-04 21:32:36,565 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:32:36,894 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:32:37,949 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 21:32:39,003 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 21:32:40,050 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 21:32:41,100 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 21:32:41,432 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:32:41,761 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:32:42,814 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 21:32:43,861 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 21:32:44,908 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 21:32:45,956 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 21:32:46,297 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:32:47,374 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 234 DAG size of output: 233 [2020-09-04 21:32:47,714 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:32:48,786 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 234 DAG size of output: 233 [2020-09-04 21:32:49,859 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 234 DAG size of output: 233 [2020-09-04 21:32:50,932 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 234 DAG size of output: 233 [2020-09-04 21:32:51,758 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:32:52,594 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:32:52,926 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:32:53,256 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:32:53,595 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:32:53,933 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:32:54,266 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:33:09,288 WARN L193 SmtUtils]: Spent 15.02 s on a formula simplification. DAG size of input: 737 DAG size of output: 607 [2020-09-04 21:33:10,455 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 255 DAG size of output: 243 [2020-09-04 21:33:10,965 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:33:11,483 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:33:11,996 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:33:13,190 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 254 DAG size of output: 242 [2020-09-04 21:33:13,697 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:33:14,544 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 198 [2020-09-04 21:33:14,872 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:33:15,520 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 224 [2020-09-04 21:33:16,139 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 222 [2020-09-04 21:33:16,885 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 199 [2020-09-04 21:33:17,216 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:33:17,696 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:33:18,344 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 21:33:18,993 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 21:33:19,472 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 21:33:19,820 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:33:20,417 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:33:21,516 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 235 DAG size of output: 234 [2020-09-04 21:33:21,857 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:33:22,204 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:33:22,556 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:33:22,890 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:33:23,230 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:33:23,562 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:33:24,616 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 21:33:24,952 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:33:25,283 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:33:25,623 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:33:26,675 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 21:33:27,749 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 234 DAG size of output: 233 [2020-09-04 21:33:28,097 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:33:28,443 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:33:28,778 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:33:29,130 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:33:29,466 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:33:29,811 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:33:30,149 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:33:30,981 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:33:31,332 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:33:31,926 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:33:32,267 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:33:32,601 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:33:33,689 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 235 DAG size of output: 234 [2020-09-04 21:33:34,782 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2020-09-04 21:33:35,125 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:33:35,948 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:33:36,310 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:33:36,661 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:33:37,586 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2020-09-04 21:33:38,514 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 236 [2020-09-04 21:33:38,875 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:33:39,227 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:33:39,578 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:33:39,931 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:33:40,281 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:33:40,626 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:33:40,976 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:33:41,332 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:33:41,686 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:33:42,610 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:33:43,517 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:33:44,271 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 199 [2020-09-04 21:33:44,601 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:33:45,215 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 222 [2020-09-04 21:33:45,690 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 21:33:46,168 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:33:46,822 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 21:33:47,469 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 21:33:48,301 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 198 [2020-09-04 21:33:48,950 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 224 [2020-09-04 21:33:49,281 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:33:49,626 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:33:49,969 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:33:50,378 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:33:50,768 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:33:51,161 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:33:51,548 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:33:51,958 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:33:52,354 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:33:52,756 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:33:53,143 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:33:53,533 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:33:53,924 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:33:54,819 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:33:55,163 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:33:55,527 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:33:55,888 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:33:56,250 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:33:56,622 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:33:57,002 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:33:57,368 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:33:57,740 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:33:58,096 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:33:58,470 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:33:58,832 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:33:59,209 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:33:59,584 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:33:59,963 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:34:00,344 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:34:00,739 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:34:01,120 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:34:01,505 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:34:01,876 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:34:02,258 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:34:02,634 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:34:02,975 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:34:03,352 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:34:03,729 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:34:04,110 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:34:04,491 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:34:04,886 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:34:05,268 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:34:05,654 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:34:06,026 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:34:06,408 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:34:06,785 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:34:07,411 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 237 [2020-09-04 21:34:07,884 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 240 [2020-09-04 21:34:08,382 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 21:34:08,861 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:34:09,490 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 237 [2020-09-04 21:34:09,974 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 241 [2020-09-04 21:34:10,908 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 251 [2020-09-04 21:34:11,535 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 238 [2020-09-04 21:34:12,164 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 238 [2020-09-04 21:34:13,102 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 252 [2020-09-04 21:34:13,492 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:34:13,860 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:34:25,668 WARN L193 SmtUtils]: Spent 11.78 s on a formula simplification. DAG size of input: 678 DAG size of output: 554 [2020-09-04 21:34:26,284 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:34:26,634 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:34:26,991 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:34:27,344 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:34:27,964 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:34:28,311 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:34:29,061 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 199 [2020-09-04 21:34:29,391 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:34:30,006 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 222 [2020-09-04 21:34:30,481 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 21:34:30,960 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:34:31,615 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 21:34:32,263 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 21:34:33,093 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 198 [2020-09-04 21:34:33,740 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 224 [2020-09-04 21:34:34,070 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:34:34,467 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:34:34,892 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:34:35,779 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 21:34:36,175 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:34:36,569 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:34:37,466 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 247 [2020-09-04 21:34:37,841 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:34:38,215 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:34:51,124 WARN L193 SmtUtils]: Spent 12.89 s on a formula simplification. DAG size of input: 694 DAG size of output: 566 [2020-09-04 21:35:04,070 WARN L193 SmtUtils]: Spent 12.94 s on a formula simplification. DAG size of input: 694 DAG size of output: 566 [2020-09-04 21:35:04,401 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:35:04,737 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:35:05,352 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 222 [2020-09-04 21:35:05,839 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 21:35:06,170 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:35:06,829 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 21:35:07,670 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 198 [2020-09-04 21:35:08,318 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 224 [2020-09-04 21:35:08,664 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:35:09,307 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 21:35:09,783 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:35:10,527 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 199 [2020-09-04 21:35:10,875 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:35:11,205 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:35:11,844 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-09-04 21:35:12,432 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:35:13,035 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:35:13,681 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-09-04 21:35:14,669 WARN L193 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 253 [2020-09-04 21:35:15,303 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 240 [2020-09-04 21:35:15,952 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 240 [2020-09-04 21:35:16,946 WARN L193 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 254 [2020-09-04 21:35:17,846 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:35:18,634 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:35:19,008 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:35:19,931 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:35:21,096 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 257 DAG size of output: 246 [2020-09-04 21:35:22,014 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:35:22,922 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 238 [2020-09-04 21:35:23,699 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:35:24,813 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2020-09-04 21:35:25,188 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:35:25,546 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:35:25,901 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:35:26,835 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:35:27,745 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:35:28,378 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 237