/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 -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 15:56:06,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 15:56:06,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 15:56:06,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 15:56:06,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 15:56:06,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 15:56:06,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 15:56:06,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 15:56:06,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 15:56:06,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 15:56:06,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 15:56:06,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 15:56:06,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 15:56:06,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 15:56:06,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 15:56:06,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 15:56:06,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 15:56:06,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 15:56:06,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 15:56:06,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 15:56:06,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 15:56:06,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 15:56:06,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 15:56:06,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 15:56:06,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 15:56:06,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 15:56:06,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 15:56:06,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 15:56:06,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 15:56:06,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 15:56:06,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 15:56:06,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 15:56:06,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 15:56:06,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 15:56:06,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 15:56:06,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 15:56:06,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 15:56:06,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 15:56:06,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 15:56:06,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 15:56:06,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 15:56:06,737 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 15:56:06,748 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 15:56:06,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 15:56:06,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 15:56:06,752 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 15:56:06,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 15:56:06,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 15:56:06,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 15:56:06,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 15:56:06,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 15:56:06,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 15:56:06,754 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 15:56:06,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 15:56:06,754 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 15:56:06,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 15:56:06,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 15:56:06,755 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 15:56:06,755 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 15:56:06,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 15:56:06,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 15:56:06,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 15:56:06,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 15:56:06,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 15:56:06,757 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 15:56:07,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 15:56:07,204 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 15:56:07,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 15:56:07,209 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 15:56:07,210 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 15:56:07,211 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-09-04 15:56:07,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5165e5274/2b090d72965a429bafa1bf60afa087b2/FLAG31369deda [2020-09-04 15:56:07,869 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 15:56:07,870 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-09-04 15:56:07,894 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5165e5274/2b090d72965a429bafa1bf60afa087b2/FLAG31369deda [2020-09-04 15:56:08,171 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5165e5274/2b090d72965a429bafa1bf60afa087b2 [2020-09-04 15:56:08,185 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 15:56:08,187 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 15:56:08,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 15:56:08,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 15:56:08,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 15:56:08,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 03:56:08" (1/1) ... [2020-09-04 15:56:08,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a098cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:08, skipping insertion in model container [2020-09-04 15:56:08,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 03:56:08" (1/1) ... [2020-09-04 15:56:08,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 15:56:08,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 15:56:08,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 15:56:08,794 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 15:56:08,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 15:56:08,917 INFO L208 MainTranslator]: Completed translation [2020-09-04 15:56:08,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:08 WrapperNode [2020-09-04 15:56:08,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 15:56:08,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 15:56:08,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 15:56:08,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 15:56:08,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:08" (1/1) ... [2020-09-04 15:56:08,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:08" (1/1) ... [2020-09-04 15:56:08,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:08" (1/1) ... [2020-09-04 15:56:08,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:08" (1/1) ... [2020-09-04 15:56:08,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:08" (1/1) ... [2020-09-04 15:56:09,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:08" (1/1) ... [2020-09-04 15:56:09,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:08" (1/1) ... [2020-09-04 15:56:09,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 15:56:09,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 15:56:09,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 15:56:09,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 15:56:09,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:08" (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 15:56:09,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 15:56:09,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 15:56:09,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 15:56:09,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-04 15:56:09,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-04 15:56:09,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-04 15:56:09,109 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 15:56:09,109 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 15:56:09,109 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 15:56:09,109 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 15:56:09,109 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 15:56:09,110 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 15:56:09,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 15:56:09,111 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-04 15:56:09,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 15:56:09,111 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 15:56:09,111 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 15:56:09,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 15:56:09,112 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 15:56:09,112 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 15:56:09,113 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 15:56:09,114 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 15:56:09,116 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 15:56:09,116 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-04 15:56:09,117 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 15:56:09,117 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 15:56:09,117 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 15:56:09,118 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 15:56:09,118 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 15:56:09,118 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 15:56:09,118 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 15:56:09,118 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-04 15:56:09,118 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-04 15:56:09,118 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 15:56:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 15:56:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 15:56:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 15:56:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 15:56:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 15:56:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 15:56:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 15:56:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 15:56:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 15:56:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 15:56:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 15:56:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 15:56:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 15:56:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 15:56:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 15:56:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 15:56:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-04 15:56:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-04 15:56:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-04 15:56:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 15:56:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 15:56:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 15:56:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 15:56:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 15:56:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 15:56:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-04 15:56:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 15:56:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 15:56:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 15:56:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 15:56:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 15:56:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 15:56:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 15:56:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 15:56:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 15:56:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 15:56:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 15:56:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 15:56:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 15:56:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 15:56:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-04 15:56:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 15:56:09,126 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 15:56:09,126 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 15:56:09,126 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 15:56:09,126 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-04 15:56:09,127 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-04 15:56:09,127 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 15:56:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 15:56:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 15:56:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 15:56:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 15:56:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 15:56:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 15:56:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 15:56:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 15:56:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 15:56:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 15:56:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 15:56:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 15:56:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 15:56:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 15:56:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 15:56:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 15:56:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 15:56:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 15:56:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 15:56:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 15:56:10,360 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 15:56:10,360 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 15:56:10,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 03:56:10 BoogieIcfgContainer [2020-09-04 15:56:10,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 15:56:10,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 15:56:10,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 15:56:10,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 15:56:10,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 03:56:08" (1/3) ... [2020-09-04 15:56:10,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f966939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 03:56:10, skipping insertion in model container [2020-09-04 15:56:10,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:08" (2/3) ... [2020-09-04 15:56:10,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f966939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 03:56:10, skipping insertion in model container [2020-09-04 15:56:10,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 03:56:10" (3/3) ... [2020-09-04 15:56:10,387 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2020-09-04 15:56:10,399 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 15:56:10,414 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 15:56:10,438 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 15:56:10,468 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 15:56:10,469 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 15:56:10,469 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 15:56:10,469 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 15:56:10,469 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 15:56:10,470 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 15:56:10,470 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 15:56:10,470 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 15:56:10,510 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states. [2020-09-04 15:56:10,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-04 15:56:10,552 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:10,553 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 15:56:10,555 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:10,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:10,564 INFO L82 PathProgramCache]: Analyzing trace with hash -492062203, now seen corresponding path program 1 times [2020-09-04 15:56:10,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:10,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2141907235] [2020-09-04 15:56:10,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:10,676 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:11,388 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:11,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:11,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:11,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:11,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:11,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:11,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:11,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 15:56:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:11,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:11,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 15:56:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:11,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 15:56:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:11,576 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 15:56:11,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2141907235] [2020-09-04 15:56:11,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:11,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 15:56:11,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085213424] [2020-09-04 15:56:11,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 15:56:11,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:11,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 15:56:11,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 15:56:11,613 INFO L87 Difference]: Start difference. First operand 354 states. Second operand 4 states. [2020-09-04 15:56:13,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:13,035 INFO L93 Difference]: Finished difference Result 569 states and 666 transitions. [2020-09-04 15:56:13,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 15:56:13,039 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-04 15:56:13,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:13,062 INFO L225 Difference]: With dead ends: 569 [2020-09-04 15:56:13,062 INFO L226 Difference]: Without dead ends: 351 [2020-09-04 15:56:13,069 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 15:56:13,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2020-09-04 15:56:13,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 303. [2020-09-04 15:56:13,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2020-09-04 15:56:13,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 331 transitions. [2020-09-04 15:56:13,257 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 331 transitions. Word has length 160 [2020-09-04 15:56:13,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:13,261 INFO L479 AbstractCegarLoop]: Abstraction has 303 states and 331 transitions. [2020-09-04 15:56:13,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 15:56:13,261 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 331 transitions. [2020-09-04 15:56:13,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-04 15:56:13,270 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:13,271 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 15:56:13,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 15:56:13,271 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:13,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:13,272 INFO L82 PathProgramCache]: Analyzing trace with hash -2075110629, now seen corresponding path program 1 times [2020-09-04 15:56:13,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:13,272 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2128645946] [2020-09-04 15:56:13,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:13,276 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:13,766 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:13,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:13,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:13,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:13,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:13,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:13,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:13,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:56:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:13,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:13,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:56:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:13,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:56:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:13,896 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 15:56:13,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2128645946] [2020-09-04 15:56:13,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:13,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 15:56:13,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823000735] [2020-09-04 15:56:13,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 15:56:13,899 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:13,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 15:56:13,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 15:56:13,899 INFO L87 Difference]: Start difference. First operand 303 states and 331 transitions. Second operand 5 states. [2020-09-04 15:56:14,545 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:15,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:15,844 INFO L93 Difference]: Finished difference Result 494 states and 558 transitions. [2020-09-04 15:56:15,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 15:56:15,845 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-04 15:56:15,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:15,852 INFO L225 Difference]: With dead ends: 494 [2020-09-04 15:56:15,853 INFO L226 Difference]: Without dead ends: 340 [2020-09-04 15:56:15,855 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 15:56:15,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-09-04 15:56:15,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 293. [2020-09-04 15:56:15,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-09-04 15:56:15,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 318 transitions. [2020-09-04 15:56:15,930 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 318 transitions. Word has length 161 [2020-09-04 15:56:15,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:15,930 INFO L479 AbstractCegarLoop]: Abstraction has 293 states and 318 transitions. [2020-09-04 15:56:15,931 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 15:56:15,931 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 318 transitions. [2020-09-04 15:56:15,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-04 15:56:15,933 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:15,934 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 15:56:15,934 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 15:56:15,934 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:15,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:15,935 INFO L82 PathProgramCache]: Analyzing trace with hash -301318836, now seen corresponding path program 1 times [2020-09-04 15:56:15,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:15,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1062831011] [2020-09-04 15:56:15,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:15,938 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:16,332 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:16,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:16,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:16,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:16,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:16,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:16,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:16,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:56:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:16,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:56:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:16,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:16,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-04 15:56:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:16,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-04 15:56:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:16,550 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 15:56:16,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1062831011] [2020-09-04 15:56:16,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:16,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 15:56:16,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298124769] [2020-09-04 15:56:16,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 15:56:16,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:16,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 15:56:16,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 15:56:16,555 INFO L87 Difference]: Start difference. First operand 293 states and 318 transitions. Second operand 11 states. [2020-09-04 15:56:17,236 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:56:17,723 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:56:18,115 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:56:18,362 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:18,652 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:56:18,954 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:21,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:21,035 INFO L93 Difference]: Finished difference Result 541 states and 623 transitions. [2020-09-04 15:56:21,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 15:56:21,036 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-09-04 15:56:21,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:21,040 INFO L225 Difference]: With dead ends: 541 [2020-09-04 15:56:21,040 INFO L226 Difference]: Without dead ends: 363 [2020-09-04 15:56:21,042 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-09-04 15:56:21,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-09-04 15:56:21,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 293. [2020-09-04 15:56:21,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-09-04 15:56:21,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 317 transitions. [2020-09-04 15:56:21,132 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 317 transitions. Word has length 174 [2020-09-04 15:56:21,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:21,133 INFO L479 AbstractCegarLoop]: Abstraction has 293 states and 317 transitions. [2020-09-04 15:56:21,133 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 15:56:21,133 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 317 transitions. [2020-09-04 15:56:21,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-04 15:56:21,136 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:21,137 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 15:56:21,137 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 15:56:21,137 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:21,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:21,137 INFO L82 PathProgramCache]: Analyzing trace with hash 453454143, now seen corresponding path program 1 times [2020-09-04 15:56:21,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:21,138 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1945551179] [2020-09-04 15:56:21,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:21,141 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,479 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:21,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:56:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:56:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:56:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-04 15:56:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-04 15:56:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,711 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 15:56:21,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1945551179] [2020-09-04 15:56:21,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:21,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 15:56:21,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2205924] [2020-09-04 15:56:21,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 15:56:21,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:21,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 15:56:21,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 15:56:21,715 INFO L87 Difference]: Start difference. First operand 293 states and 317 transitions. Second operand 8 states. [2020-09-04 15:56:22,433 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:56:24,440 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:25,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:25,434 INFO L93 Difference]: Finished difference Result 736 states and 875 transitions. [2020-09-04 15:56:25,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 15:56:25,434 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 192 [2020-09-04 15:56:25,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:25,439 INFO L225 Difference]: With dead ends: 736 [2020-09-04 15:56:25,439 INFO L226 Difference]: Without dead ends: 558 [2020-09-04 15:56:25,441 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 15:56:25,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2020-09-04 15:56:25,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 420. [2020-09-04 15:56:25,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-09-04 15:56:25,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 454 transitions. [2020-09-04 15:56:25,562 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 454 transitions. Word has length 192 [2020-09-04 15:56:25,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:25,563 INFO L479 AbstractCegarLoop]: Abstraction has 420 states and 454 transitions. [2020-09-04 15:56:25,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 15:56:25,563 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 454 transitions. [2020-09-04 15:56:25,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-04 15:56:25,566 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:25,567 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 15:56:25,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 15:56:25,567 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:25,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:25,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1112059106, now seen corresponding path program 1 times [2020-09-04 15:56:25,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:25,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1776037159] [2020-09-04 15:56:25,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:25,571 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:25,966 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:25,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:56:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:56:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:56:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:56:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:56:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-04 15:56:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-04 15:56:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,293 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 15:56:26,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1776037159] [2020-09-04 15:56:26,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:26,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 15:56:26,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708454526] [2020-09-04 15:56:26,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 15:56:26,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:26,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 15:56:26,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 15:56:26,297 INFO L87 Difference]: Start difference. First operand 420 states and 454 transitions. Second operand 11 states. [2020-09-04 15:56:26,825 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:56:27,792 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:28,137 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:56:29,155 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:56:29,508 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:29,873 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:30,611 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:30,909 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:56:31,190 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:32,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:32,322 INFO L93 Difference]: Finished difference Result 862 states and 1004 transitions. [2020-09-04 15:56:32,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-04 15:56:32,323 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 216 [2020-09-04 15:56:32,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:32,329 INFO L225 Difference]: With dead ends: 862 [2020-09-04 15:56:32,329 INFO L226 Difference]: Without dead ends: 557 [2020-09-04 15:56:32,332 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 15:56:32,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2020-09-04 15:56:32,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 419. [2020-09-04 15:56:32,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-09-04 15:56:32,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 451 transitions. [2020-09-04 15:56:32,516 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 451 transitions. Word has length 216 [2020-09-04 15:56:32,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:32,517 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 451 transitions. [2020-09-04 15:56:32,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 15:56:32,517 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 451 transitions. [2020-09-04 15:56:32,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-04 15:56:32,520 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:32,521 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 15:56:32,521 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 15:56:32,521 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:32,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:32,522 INFO L82 PathProgramCache]: Analyzing trace with hash -181604155, now seen corresponding path program 1 times [2020-09-04 15:56:32,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:32,522 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1245615260] [2020-09-04 15:56:32,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:32,525 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:32,913 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:32,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:32,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:32,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:32,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:32,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:32,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:32,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:56:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:32,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:56:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:32,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:32,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:56:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:32,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:33,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:33,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:33,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:56:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:33,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:56:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:33,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-04 15:56:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:33,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-04 15:56:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:33,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:56:33,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1245615260] [2020-09-04 15:56:33,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:33,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 15:56:33,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933660268] [2020-09-04 15:56:33,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 15:56:33,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:33,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 15:56:33,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 15:56:33,163 INFO L87 Difference]: Start difference. First operand 419 states and 451 transitions. Second operand 11 states. [2020-09-04 15:56:34,638 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:34,942 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:56:35,279 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:56:35,581 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:35,887 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:56:36,171 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:37,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:37,595 INFO L93 Difference]: Finished difference Result 863 states and 1001 transitions. [2020-09-04 15:56:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 15:56:37,598 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2020-09-04 15:56:37,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:37,602 INFO L225 Difference]: With dead ends: 863 [2020-09-04 15:56:37,602 INFO L226 Difference]: Without dead ends: 559 [2020-09-04 15:56:37,604 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-04 15:56:37,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2020-09-04 15:56:37,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 427. [2020-09-04 15:56:37,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2020-09-04 15:56:37,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 459 transitions. [2020-09-04 15:56:37,748 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 459 transitions. Word has length 217 [2020-09-04 15:56:37,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:37,749 INFO L479 AbstractCegarLoop]: Abstraction has 427 states and 459 transitions. [2020-09-04 15:56:37,749 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 15:56:37,749 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 459 transitions. [2020-09-04 15:56:37,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-04 15:56:37,752 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:37,752 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 15:56:37,753 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 15:56:37,753 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:37,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:37,753 INFO L82 PathProgramCache]: Analyzing trace with hash -243932891, now seen corresponding path program 1 times [2020-09-04 15:56:37,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:37,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [937822754] [2020-09-04 15:56:37,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:37,756 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:38,073 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:38,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:38,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:38,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:38,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:38,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:38,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:38,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:56:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:38,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:56:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:38,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:38,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:56:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:38,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:38,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:38,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:38,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:56:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:38,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:56:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:38,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-04 15:56:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:38,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-04 15:56:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:38,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:56:38,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [937822754] [2020-09-04 15:56:38,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:38,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 15:56:38,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907659126] [2020-09-04 15:56:38,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 15:56:38,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:38,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 15:56:38,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-09-04 15:56:38,348 INFO L87 Difference]: Start difference. First operand 427 states and 459 transitions. Second operand 14 states. [2020-09-04 15:56:39,056 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:39,358 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:56:39,656 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:39,960 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:56:40,240 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:41,380 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:41,679 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:56:41,993 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:42,313 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:56:42,602 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:44,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:44,434 INFO L93 Difference]: Finished difference Result 882 states and 1033 transitions. [2020-09-04 15:56:44,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 15:56:44,445 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 217 [2020-09-04 15:56:44,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:44,450 INFO L225 Difference]: With dead ends: 882 [2020-09-04 15:56:44,450 INFO L226 Difference]: Without dead ends: 570 [2020-09-04 15:56:44,452 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 15:56:44,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2020-09-04 15:56:44,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 433. [2020-09-04 15:56:44,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2020-09-04 15:56:44,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 465 transitions. [2020-09-04 15:56:44,567 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 465 transitions. Word has length 217 [2020-09-04 15:56:44,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:44,568 INFO L479 AbstractCegarLoop]: Abstraction has 433 states and 465 transitions. [2020-09-04 15:56:44,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 15:56:44,568 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 465 transitions. [2020-09-04 15:56:44,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-04 15:56:44,571 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:44,571 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 15:56:44,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 15:56:44,571 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:44,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:44,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1895973026, now seen corresponding path program 1 times [2020-09-04 15:56:44,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:44,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1920493568] [2020-09-04 15:56:44,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:44,575 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:44,913 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:44,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:44,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:44,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:44,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:44,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:44,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:45,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:56:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:45,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:56:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:45,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:45,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:56:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:45,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:45,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:45,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:45,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:56:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:45,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:56:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:45,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-04 15:56:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:45,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-04 15:56:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:45,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:56:45,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1920493568] [2020-09-04 15:56:45,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:45,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 15:56:45,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841948121] [2020-09-04 15:56:45,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 15:56:45,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:45,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 15:56:45,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 15:56:45,146 INFO L87 Difference]: Start difference. First operand 433 states and 465 transitions. Second operand 8 states. [2020-09-04 15:56:45,712 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:56:46,342 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:56:49,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:49,544 INFO L93 Difference]: Finished difference Result 1223 states and 1469 transitions. [2020-09-04 15:56:49,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-04 15:56:49,545 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2020-09-04 15:56:49,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:49,551 INFO L225 Difference]: With dead ends: 1223 [2020-09-04 15:56:49,551 INFO L226 Difference]: Without dead ends: 905 [2020-09-04 15:56:49,553 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 15:56:49,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2020-09-04 15:56:49,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 698. [2020-09-04 15:56:49,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 698 states. [2020-09-04 15:56:49,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 769 transitions. [2020-09-04 15:56:49,740 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 769 transitions. Word has length 217 [2020-09-04 15:56:49,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:49,741 INFO L479 AbstractCegarLoop]: Abstraction has 698 states and 769 transitions. [2020-09-04 15:56:49,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 15:56:49,741 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 769 transitions. [2020-09-04 15:56:49,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-04 15:56:49,743 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:49,743 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 15:56:49,744 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 15:56:49,744 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:49,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:49,744 INFO L82 PathProgramCache]: Analyzing trace with hash -343933007, now seen corresponding path program 1 times [2020-09-04 15:56:49,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:49,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1856223026] [2020-09-04 15:56:49,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:49,747 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:50,151 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:50,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:50,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:50,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:50,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:50,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:50,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:50,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:56:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:50,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:56:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:50,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 15:56:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:50,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:50,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-04 15:56:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:50,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:50,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:50,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:50,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:56:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:50,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:56:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:50,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-04 15:56:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:50,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-04 15:56:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:50,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:56:50,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1856223026] [2020-09-04 15:56:50,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:50,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-04 15:56:50,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238633491] [2020-09-04 15:56:50,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 15:56:50,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:50,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 15:56:50,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-09-04 15:56:50,458 INFO L87 Difference]: Start difference. First operand 698 states and 769 transitions. Second operand 15 states. [2020-09-04 15:56:51,306 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 15:56:52,158 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:56:54,197 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-04 15:56:54,810 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 15:56:55,157 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:55,461 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:56:56,043 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-04 15:56:56,344 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:56,688 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:56:56,993 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:59,278 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:56:59,568 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:59,925 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:57:00,607 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 15:57:02,504 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-04 15:57:03,090 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-04 15:57:03,801 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 15:57:04,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:57:04,730 INFO L93 Difference]: Finished difference Result 2186 states and 2616 transitions. [2020-09-04 15:57:04,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-09-04 15:57:04,731 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 222 [2020-09-04 15:57:04,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:57:04,740 INFO L225 Difference]: With dead ends: 2186 [2020-09-04 15:57:04,741 INFO L226 Difference]: Without dead ends: 1715 [2020-09-04 15:57:04,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1093 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=754, Invalid=2906, Unknown=0, NotChecked=0, Total=3660 [2020-09-04 15:57:04,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2020-09-04 15:57:05,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1271. [2020-09-04 15:57:05,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1271 states. [2020-09-04 15:57:05,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 1389 transitions. [2020-09-04 15:57:05,220 INFO L78 Accepts]: Start accepts. Automaton has 1271 states and 1389 transitions. Word has length 222 [2020-09-04 15:57:05,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:57:05,223 INFO L479 AbstractCegarLoop]: Abstraction has 1271 states and 1389 transitions. [2020-09-04 15:57:05,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 15:57:05,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1389 transitions. [2020-09-04 15:57:05,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-09-04 15:57:05,227 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:57:05,228 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 15:57:05,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 15:57:05,228 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:57:05,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:57:05,228 INFO L82 PathProgramCache]: Analyzing trace with hash 731830726, now seen corresponding path program 1 times [2020-09-04 15:57:05,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:57:05,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1265467650] [2020-09-04 15:57:05,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:57:05,270 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:57:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:05,709 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:57:05,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:05,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:57:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:05,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:57:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:05,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:57:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:05,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:57:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:05,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:57:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:05,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:57:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:05,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:57:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:05,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:57:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:05,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:05,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:05,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:57:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:05,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:05,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:05,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:05,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:05,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:57:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:05,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 15:57:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:05,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:05,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-04 15:57:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:05,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-04 15:57:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:06,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:06,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-09-04 15:57:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:06,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-09-04 15:57:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:06,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:06,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:57:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:06,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:57:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:06,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:06,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:06,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:57:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:06,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:06,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2020-09-04 15:57:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:06,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2020-09-04 15:57:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:06,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:57:06,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1265467650] [2020-09-04 15:57:06,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:57:06,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 15:57:06,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667789954] [2020-09-04 15:57:06,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 15:57:06,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:57:06,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 15:57:06,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-09-04 15:57:06,282 INFO L87 Difference]: Start difference. First operand 1271 states and 1389 transitions. Second operand 19 states. [2020-09-04 15:57:07,018 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:57:07,446 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:57:07,778 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 15:57:08,107 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:57:08,436 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:57:08,750 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:57:09,898 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:57:10,284 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:57:10,601 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:11,218 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 15:57:12,313 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:57:12,896 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:57:13,284 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-09-04 15:57:15,450 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:57:16,061 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 15:57:16,414 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:57:17,014 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 15:57:17,456 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:18,302 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:57:19,018 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 15:57:19,421 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 15:57:20,706 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:57:21,309 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-04 15:57:21,980 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-09-04 15:57:23,246 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-04 15:57:24,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:57:24,917 INFO L93 Difference]: Finished difference Result 3034 states and 3506 transitions. [2020-09-04 15:57:24,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-09-04 15:57:24,925 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 336 [2020-09-04 15:57:24,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:57:24,936 INFO L225 Difference]: With dead ends: 3034 [2020-09-04 15:57:24,937 INFO L226 Difference]: Without dead ends: 1985 [2020-09-04 15:57:24,944 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1901 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=1278, Invalid=5364, Unknown=0, NotChecked=0, Total=6642 [2020-09-04 15:57:24,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2020-09-04 15:57:25,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1502. [2020-09-04 15:57:25,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1502 states. [2020-09-04 15:57:25,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1502 states and 1648 transitions. [2020-09-04 15:57:25,600 INFO L78 Accepts]: Start accepts. Automaton has 1502 states and 1648 transitions. Word has length 336 [2020-09-04 15:57:25,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:57:25,601 INFO L479 AbstractCegarLoop]: Abstraction has 1502 states and 1648 transitions. [2020-09-04 15:57:25,601 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 15:57:25,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 1648 transitions. [2020-09-04 15:57:25,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2020-09-04 15:57:25,605 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:57:25,609 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 15:57:25,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 15:57:25,609 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:57:25,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:57:25,610 INFO L82 PathProgramCache]: Analyzing trace with hash -91043531, now seen corresponding path program 1 times [2020-09-04 15:57:25,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:57:25,612 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [775720130] [2020-09-04 15:57:25,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:57:25,639 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:57:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,055 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:57:26,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:57:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:57:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:57:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:57:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:57:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:57:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:57:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:57:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:57:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:57:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 15:57:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-04 15:57:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-04 15:57:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:57:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:57:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:57:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:57:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:57:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 15:57:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-09-04 15:57:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-09-04 15:57:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:57:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:57:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:57:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:57:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:57:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2020-09-04 15:57:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-09-04 15:57:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-09-04 15:57:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:57:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2020-09-04 15:57:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2020-09-04 15:57:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:26,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:57:26,746 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [775720130] [2020-09-04 15:57:26,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:57:26,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-04 15:57:26,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556559545] [2020-09-04 15:57:26,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 15:57:26,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:57:26,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 15:57:26,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-09-04 15:57:26,748 INFO L87 Difference]: Start difference. First operand 1502 states and 1648 transitions. Second operand 17 states. [2020-09-04 15:57:29,146 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:57:29,460 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:29,771 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:30,090 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:57:30,390 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:30,680 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:57:33,392 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:33,768 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:57:35,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:57:35,757 INFO L93 Difference]: Finished difference Result 4323 states and 5108 transitions. [2020-09-04 15:57:35,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-09-04 15:57:35,760 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 511 [2020-09-04 15:57:35,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:57:35,775 INFO L225 Difference]: With dead ends: 4323 [2020-09-04 15:57:35,776 INFO L226 Difference]: Without dead ends: 2735 [2020-09-04 15:57:35,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 123 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 461 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=486, Invalid=1676, Unknown=0, NotChecked=0, Total=2162 [2020-09-04 15:57:35,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2735 states. [2020-09-04 15:57:36,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2735 to 1907. [2020-09-04 15:57:36,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1907 states. [2020-09-04 15:57:36,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1907 states and 2125 transitions. [2020-09-04 15:57:36,736 INFO L78 Accepts]: Start accepts. Automaton has 1907 states and 2125 transitions. Word has length 511 [2020-09-04 15:57:36,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:57:36,737 INFO L479 AbstractCegarLoop]: Abstraction has 1907 states and 2125 transitions. [2020-09-04 15:57:36,737 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 15:57:36,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 2125 transitions. [2020-09-04 15:57:36,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2020-09-04 15:57:36,745 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:57:36,746 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 15:57:36,746 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 15:57:36,746 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:57:36,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:57:36,747 INFO L82 PathProgramCache]: Analyzing trace with hash -489533782, now seen corresponding path program 1 times [2020-09-04 15:57:36,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:57:36,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1363225701] [2020-09-04 15:57:36,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:57:36,771 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:57:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,149 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:57:37,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:57:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:57:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:57:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:57:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:57:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:57:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:57:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:57:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:57:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:57:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 15:57:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-04 15:57:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-04 15:57:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:57:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:57:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:57:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:57:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:57:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 15:57:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:57:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-09-04 15:57:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-09-04 15:57:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:57:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:57:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:57:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:57:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:57:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-09-04 15:57:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2020-09-04 15:57:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-09-04 15:57:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2020-09-04 15:57:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:57:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2020-09-04 15:57:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2020-09-04 15:57:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:37,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:57:37,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1363225701] [2020-09-04 15:57:37,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:57:37,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 15:57:37,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300963474] [2020-09-04 15:57:37,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 15:57:37,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:57:37,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 15:57:37,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-09-04 15:57:37,840 INFO L87 Difference]: Start difference. First operand 1907 states and 2125 transitions. Second operand 19 states. [2020-09-04 15:57:38,460 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:57:38,881 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:39,203 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:57:39,517 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:39,837 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:57:40,209 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:41,436 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:57:41,842 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:43,377 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:57:44,079 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:57:44,562 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:45,053 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:57:46,349 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:57:46,654 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:48,246 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:57:48,562 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:48,877 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:57:50,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:57:50,523 INFO L93 Difference]: Finished difference Result 3999 states and 4669 transitions. [2020-09-04 15:57:50,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-09-04 15:57:50,524 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 525 [2020-09-04 15:57:50,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:57:50,536 INFO L225 Difference]: With dead ends: 3999 [2020-09-04 15:57:50,536 INFO L226 Difference]: Without dead ends: 2350 [2020-09-04 15:57:50,542 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=665, Invalid=2641, Unknown=0, NotChecked=0, Total=3306 [2020-09-04 15:57:50,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2350 states. [2020-09-04 15:57:51,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2350 to 1835. [2020-09-04 15:57:51,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1835 states. [2020-09-04 15:57:51,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2026 transitions. [2020-09-04 15:57:51,161 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2026 transitions. Word has length 525 [2020-09-04 15:57:51,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:57:51,162 INFO L479 AbstractCegarLoop]: Abstraction has 1835 states and 2026 transitions. [2020-09-04 15:57:51,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 15:57:51,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2026 transitions. [2020-09-04 15:57:51,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2020-09-04 15:57:51,169 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:57:51,170 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 15:57:51,170 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 15:57:51,170 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:57:51,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:57:51,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1697119339, now seen corresponding path program 1 times [2020-09-04 15:57:51,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:57:51,171 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [973619238] [2020-09-04 15:57:51,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:57:51,202 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:57:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,572 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:57:51,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:57:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:57:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:57:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:57:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:57:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:57:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:57:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:57:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:57:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:57:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 15:57:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-04 15:57:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-04 15:57:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:57:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:57:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:57:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:57:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:57:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 15:57:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:57:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2020-09-04 15:57:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2020-09-04 15:57:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:57:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:57:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:51,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:57:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:52,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:57:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:52,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:57:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:52,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:52,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-04 15:57:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:52,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2020-09-04 15:57:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:52,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-09-04 15:57:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:52,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:52,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2020-09-04 15:57:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:52,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:52,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:52,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:52,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:52,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:57:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:52,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-09-04 15:57:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:52,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2020-09-04 15:57:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:52,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:57:52,375 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [973619238] [2020-09-04 15:57:52,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:57:52,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-04 15:57:52,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292220347] [2020-09-04 15:57:52,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 15:57:52,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:57:52,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 15:57:52,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-09-04 15:57:52,377 INFO L87 Difference]: Start difference. First operand 1835 states and 2026 transitions. Second operand 17 states. [2020-09-04 15:57:53,016 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:57:54,289 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:57:58,866 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:59,205 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:57:59,554 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:59,908 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:58:00,224 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:58:00,533 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:58:00,874 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:58:01,222 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:58:01,565 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:58:01,888 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:58:02,237 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:58:02,864 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 15:58:03,270 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:58:03,864 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 15:58:04,194 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:58:04,554 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:58:04,915 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:58:05,252 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 15:58:08,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:58:08,424 INFO L93 Difference]: Finished difference Result 6110 states and 7195 transitions. [2020-09-04 15:58:08,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-09-04 15:58:08,424 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 526 [2020-09-04 15:58:08,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:58:08,446 INFO L225 Difference]: With dead ends: 6110 [2020-09-04 15:58:08,446 INFO L226 Difference]: Without dead ends: 4403 [2020-09-04 15:58:08,453 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 15:58:08,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4403 states. [2020-09-04 15:58:09,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4403 to 3496. [2020-09-04 15:58:09,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3496 states. [2020-09-04 15:58:09,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3496 states to 3496 states and 3833 transitions. [2020-09-04 15:58:09,849 INFO L78 Accepts]: Start accepts. Automaton has 3496 states and 3833 transitions. Word has length 526 [2020-09-04 15:58:09,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:58:09,849 INFO L479 AbstractCegarLoop]: Abstraction has 3496 states and 3833 transitions. [2020-09-04 15:58:09,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 15:58:09,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3496 states and 3833 transitions. [2020-09-04 15:58:09,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-09-04 15:58:09,860 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:58:09,860 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 15:58:09,861 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 15:58:09,861 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:58:09,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:58:09,861 INFO L82 PathProgramCache]: Analyzing trace with hash 98793960, now seen corresponding path program 1 times [2020-09-04 15:58:09,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:58:09,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1722809341] [2020-09-04 15:58:09,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:58:09,889 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:58:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,291 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:58:10,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:58:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:58:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:58:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:58:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:58:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:58:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:58:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:58:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:58:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:58:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:58:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 15:58:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-04 15:58:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-04 15:58:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:58:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:58:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:58:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:58:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:58:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:58:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 15:58:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:58:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2020-09-04 15:58:10,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-09-04 15:58:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-09-04 15:58:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:58:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:58:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:58:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:58:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:58:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-09-04 15:58:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-09-04 15:58:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-09-04 15:58:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2020-09-04 15:58:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:58:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:58:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2020-09-04 15:58:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2020-09-04 15:58:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:10,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:58:10,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1722809341] [2020-09-04 15:58:10,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:58:10,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-09-04 15:58:10,986 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354993338] [2020-09-04 15:58:10,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 15:58:10,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:58:10,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 15:58:10,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-09-04 15:58:10,988 INFO L87 Difference]: Start difference. First operand 3496 states and 3833 transitions. Second operand 18 states. [2020-09-04 15:58:11,636 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:58:13,666 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:58:14,740 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:58:15,077 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:58:15,694 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 15:58:16,016 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:58:16,628 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-04 15:58:16,947 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:58:17,523 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 15:58:18,137 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 15:58:18,788 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 196 [2020-09-04 15:58:19,373 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 15:58:20,007 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 15:58:24,005 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 15:58:24,630 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-09-04 15:58:26,187 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:58:27,453 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:58:27,822 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:58:28,467 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:58:28,788 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:58:29,428 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 15:58:29,749 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:58:30,334 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:58:30,685 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:58:31,100 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 15:58:31,448 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:58:37,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:58:37,319 INFO L93 Difference]: Finished difference Result 10057 states and 12239 transitions. [2020-09-04 15:58:37,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2020-09-04 15:58:37,320 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 531 [2020-09-04 15:58:37,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:58:37,356 INFO L225 Difference]: With dead ends: 10057 [2020-09-04 15:58:37,357 INFO L226 Difference]: Without dead ends: 7934 [2020-09-04 15:58:37,368 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 162 SyntacticMatches, 6 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3811 ImplicationChecksByTransitivity, 13.3s TimeCoverageRelationStatistics Valid=1846, Invalid=9074, Unknown=0, NotChecked=0, Total=10920 [2020-09-04 15:58:37,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7934 states. [2020-09-04 15:58:40,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7934 to 5049. [2020-09-04 15:58:40,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5049 states. [2020-09-04 15:58:40,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5049 states to 5049 states and 5478 transitions. [2020-09-04 15:58:40,198 INFO L78 Accepts]: Start accepts. Automaton has 5049 states and 5478 transitions. Word has length 531 [2020-09-04 15:58:40,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:58:40,199 INFO L479 AbstractCegarLoop]: Abstraction has 5049 states and 5478 transitions. [2020-09-04 15:58:40,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 15:58:40,199 INFO L276 IsEmpty]: Start isEmpty. Operand 5049 states and 5478 transitions. [2020-09-04 15:58:40,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2020-09-04 15:58:40,215 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:58:40,216 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 15:58:40,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-04 15:58:40,216 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:58:40,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:58:40,216 INFO L82 PathProgramCache]: Analyzing trace with hash -148667118, now seen corresponding path program 1 times [2020-09-04 15:58:40,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:58:40,217 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1013356178] [2020-09-04 15:58:40,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:58:40,232 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:58:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,638 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:58:40,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:58:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:58:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:58:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:58:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:58:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:58:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:58:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:58:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:58:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:40,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:58:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:58:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 15:58:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-04 15:58:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-04 15:58:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:58:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:58:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:58:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:58:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:40,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:58:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:58:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 15:58:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:58:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2020-09-04 15:58:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-09-04 15:58:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-09-04 15:58:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:58:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:58:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:58:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:58:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:58:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:58:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-09-04 15:58:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2020-09-04 15:58:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-09-04 15:58:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:58:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:58:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:58:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-04 15:58:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:58:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2020-09-04 15:58:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2020-09-04 15:58:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2020-09-04 15:58:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2020-09-04 15:58:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:58:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:58:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2020-09-04 15:58:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2020-09-04 15:58:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:41,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:58:41,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1013356178] [2020-09-04 15:58:41,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:58:41,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-09-04 15:58:41,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872705209] [2020-09-04 15:58:41,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 15:58:41,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:58:41,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 15:58:41,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2020-09-04 15:58:41,437 INFO L87 Difference]: Start difference. First operand 5049 states and 5478 transitions. Second operand 18 states. [2020-09-04 15:58:42,472 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:58:43,771 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:58:47,644 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:58:47,969 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 15:58:48,327 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:58:48,646 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:58:48,953 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:58:49,528 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 15:58:54,402 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-04 15:58:54,725 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:58:55,346 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-04 15:58:55,748 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 15:58:56,168 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:58:56,527 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:58:56,882 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:59:02,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:59:02,114 INFO L93 Difference]: Finished difference Result 17833 states and 21546 transitions. [2020-09-04 15:59:02,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-09-04 15:59:02,115 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 649 [2020-09-04 15:59:02,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:59:02,169 INFO L225 Difference]: With dead ends: 17833 [2020-09-04 15:59:02,169 INFO L226 Difference]: Without dead ends: 12418 [2020-09-04 15:59:02,188 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 183 SyntacticMatches, 10 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2503 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=1586, Invalid=6424, Unknown=0, NotChecked=0, Total=8010 [2020-09-04 15:59:02,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12418 states. [2020-09-04 15:59:04,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12418 to 6704. [2020-09-04 15:59:04,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6704 states. [2020-09-04 15:59:04,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6704 states to 6704 states and 7249 transitions. [2020-09-04 15:59:04,808 INFO L78 Accepts]: Start accepts. Automaton has 6704 states and 7249 transitions. Word has length 649 [2020-09-04 15:59:04,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:59:04,809 INFO L479 AbstractCegarLoop]: Abstraction has 6704 states and 7249 transitions. [2020-09-04 15:59:04,809 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 15:59:04,809 INFO L276 IsEmpty]: Start isEmpty. Operand 6704 states and 7249 transitions. [2020-09-04 15:59:04,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2020-09-04 15:59:04,827 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:59:04,828 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 15:59:04,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-04 15:59:04,828 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:59:04,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:59:04,829 INFO L82 PathProgramCache]: Analyzing trace with hash -63121230, now seen corresponding path program 1 times [2020-09-04 15:59:04,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:59:04,829 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1041088647] [2020-09-04 15:59:04,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:59:04,844 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:59:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,272 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:59:05,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:59:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:59:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:59:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:59:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:59:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:59:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:59:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:59:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:59:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:59:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 15:59:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-04 15:59:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-04 15:59:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:59:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:59:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:59:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:59:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:59:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 15:59:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:59:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2020-09-04 15:59:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-09-04 15:59:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-09-04 15:59:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:59:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:59:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:59:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:59:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:59:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:59:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-09-04 15:59:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2020-09-04 15:59:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-09-04 15:59:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:59:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:59:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-04 15:59:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:59:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2020-09-04 15:59:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2020-09-04 15:59:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2020-09-04 15:59:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2020-09-04 15:59:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:59:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2020-09-04 15:59:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2020-09-04 15:59:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:05,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:59:05,995 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1041088647] [2020-09-04 15:59:05,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:59:05,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-09-04 15:59:05,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110839847] [2020-09-04 15:59:05,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 15:59:05,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:59:05,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 15:59:05,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-09-04 15:59:05,997 INFO L87 Difference]: Start difference. First operand 6704 states and 7249 transitions. Second operand 18 states. [2020-09-04 15:59:06,733 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:59:07,043 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:59:07,348 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:59:07,655 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:59:07,947 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:59:12,024 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:59:12,322 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:59:12,632 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:59:12,940 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:59:13,252 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:59:13,542 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:59:14,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:59:14,740 INFO L93 Difference]: Finished difference Result 8145 states and 8981 transitions. [2020-09-04 15:59:14,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-09-04 15:59:14,741 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 649 [2020-09-04 15:59:14,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:59:14,743 INFO L225 Difference]: With dead ends: 8145 [2020-09-04 15:59:14,743 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 15:59:14,761 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 390 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=529, Invalid=1633, Unknown=0, NotChecked=0, Total=2162 [2020-09-04 15:59:14,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 15:59:14,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 15:59:14,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 15:59:14,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 15:59:14,763 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 649 [2020-09-04 15:59:14,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:59:14,764 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 15:59:14,764 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 15:59:14,764 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 15:59:14,764 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 15:59:14,764 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-04 15:59:14,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 15:59:15,589 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 222 [2020-09-04 15:59:16,078 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 15:59:16,570 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 15:59:16,900 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 15:59:17,256 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 15:59:17,912 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 15:59:18,264 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:59:19,116 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 198 [2020-09-04 15:59:19,773 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 224 [2020-09-04 15:59:20,424 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 15:59:21,181 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 199 [2020-09-04 15:59:21,530 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 15:59:34,603 WARN L193 SmtUtils]: Spent 13.06 s on a formula simplification. DAG size of input: 694 DAG size of output: 566 [2020-09-04 15:59:34,935 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 15:59:35,336 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:59:35,722 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:59:48,724 WARN L193 SmtUtils]: Spent 12.97 s on a formula simplification. DAG size of input: 694 DAG size of output: 566 [2020-09-04 15:59:49,106 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:59:49,471 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:59:49,884 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 15:59:50,236 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:59:50,645 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:59:51,010 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:59:51,370 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 16:00:04,433 WARN L193 SmtUtils]: Spent 13.06 s on a formula simplification. DAG size of input: 694 DAG size of output: 566 [2020-09-04 16:00:04,778 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:00:06,182 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 16:00:06,614 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 16:00:08,269 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 264 DAG size of output: 256 [2020-09-04 16:00:08,672 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 16:00:09,074 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 16:00:10,894 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 265 DAG size of output: 257 [2020-09-04 16:00:11,241 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:00:11,582 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:00:11,934 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:12,281 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:00:12,893 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:00:13,235 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:00:13,899 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 228 [2020-09-04 16:00:14,260 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:00:14,872 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 16:00:15,440 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 229 [2020-09-04 16:00:15,797 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:00:16,147 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:00:16,496 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:00:16,841 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:00:17,183 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:00:17,531 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:00:18,127 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 16:00:19,231 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 235 DAG size of output: 234 [2020-09-04 16:00:19,572 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:00:19,919 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:00:20,278 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:00:20,616 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:00:20,956 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 16:00:21,292 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:00:22,347 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 16:00:22,685 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:00:23,026 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:00:23,356 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 16:00:24,411 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 16:00:25,486 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 234 DAG size of output: 233 [2020-09-04 16:00:25,834 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:00:26,179 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:00:26,515 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:00:26,869 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:27,205 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:00:27,551 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:00:27,888 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:00:28,720 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 16:00:29,073 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:00:29,415 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:00:30,005 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 16:00:30,338 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:00:31,416 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 235 DAG size of output: 234 [2020-09-04 16:00:32,511 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2020-09-04 16:00:32,853 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:00:33,678 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 16:00:34,304 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:00:34,917 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 16:00:35,542 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 16:00:36,170 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:00:36,569 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 16:00:36,992 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 16:00:38,590 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 262 DAG size of output: 254 [2020-09-04 16:00:38,985 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 16:00:39,380 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 16:00:40,983 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 263 DAG size of output: 255 [2020-09-04 16:00:41,395 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 16:00:42,169 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 244 [2020-09-04 16:00:43,490 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 241 DAG size of output: 240 [2020-09-04 16:00:43,890 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 16:00:44,297 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 16:00:44,711 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 16:00:45,104 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 16:00:45,505 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:00:45,899 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 16:00:47,275 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 261 DAG size of output: 252 [2020-09-04 16:00:47,671 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 16:00:48,070 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 16:00:48,458 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 16:00:49,657 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 262 DAG size of output: 221 [2020-09-04 16:00:50,956 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 240 DAG size of output: 239 [2020-09-04 16:00:51,363 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 16:00:51,767 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 16:00:52,160 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 16:00:52,542 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:00:52,934 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 16:00:53,340 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 16:00:53,735 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 16:00:54,910 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 16:00:55,291 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:00:55,692 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 16:00:56,460 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 16:00:56,850 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 16:00:58,149 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 241 DAG size of output: 240 [2020-09-04 16:00:59,470 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 242 DAG size of output: 241 [2020-09-04 16:00:59,871 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 16:01:01,035 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 242 DAG size of output: 233 [2020-09-04 16:01:01,441 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 16:01:01,870 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 16:01:03,565 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 262 DAG size of output: 254 [2020-09-04 16:01:03,961 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 16:01:04,355 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 16:01:05,959 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 263 DAG size of output: 255 [2020-09-04 16:01:07,222 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 258 DAG size of output: 229 [2020-09-04 16:01:07,774 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 16:01:08,331 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 16:01:08,886 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 16:01:10,041 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 257 DAG size of output: 228 [2020-09-04 16:01:10,591 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 16:01:11,496 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 16:01:12,286 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 16:01:12,666 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 16:01:13,446 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 16:01:14,363 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 16:01:15,522 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 257 DAG size of output: 246 [2020-09-04 16:01:16,424 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 238 [2020-09-04 16:01:17,343 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 16:01:18,466 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2020-09-04 16:01:18,840 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 16:01:30,690 WARN L193 SmtUtils]: Spent 11.84 s on a formula simplification. DAG size of input: 678 DAG size of output: 554 [2020-09-04 16:01:31,210 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:01:31,594 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 16:01:31,989 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:01:32,380 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:01:33,086 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 16:01:33,472 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 16:01:34,209 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 16:01:34,611 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:01:35,315 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 237 [2020-09-04 16:01:36,049 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 16:01:36,445 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:01:36,842 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:01:37,234 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:01:37,622 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:01:37,964 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 16:01:38,300 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:01:38,693 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 16:01:39,100 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 16:01:40,444 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 240 DAG size of output: 235 [2020-09-04 16:01:41,066 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-09-04 16:01:42,056 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 202 [2020-09-04 16:01:42,672 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 224 [2020-09-04 16:01:43,300 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-09-04 16:01:44,302 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 203 [2020-09-04 16:01:44,944 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 224 [2020-09-04 16:01:45,575 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 224 [2020-09-04 16:01:46,210 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-09-04 16:01:46,803 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 225 [2020-09-04 16:01:47,437 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-09-04 16:01:48,362 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 16:01:49,717 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 242 DAG size of output: 237 [2020-09-04 16:01:51,061 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 241 DAG size of output: 236 [2020-09-04 16:01:51,674 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 223 [2020-09-04 16:01:52,298 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-09-04 16:01:52,898 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 224 [2020-09-04 16:01:53,531 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 224 [2020-09-04 16:01:54,448 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 16:01:55,804 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 241 DAG size of output: 236 [2020-09-04 16:01:56,424 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 223 [2020-09-04 16:01:56,815 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:01:57,162 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:58,954 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 240 DAG size of output: 235 [2020-09-04 16:01:59,575 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-09-04 16:02:00,565 WARN L193 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 202 [2020-09-04 16:02:01,180 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 224 [2020-09-04 16:02:01,807 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-09-04 16:02:02,809 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 203 [2020-09-04 16:02:03,452 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 224 [2020-09-04 16:02:04,084 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 224 [2020-09-04 16:02:04,726 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-09-04 16:02:05,320 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 225 [2020-09-04 16:02:05,961 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-09-04 16:02:06,884 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 16:02:08,238 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 242 DAG size of output: 237 [2020-09-04 16:02:09,584 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 241 DAG size of output: 236 [2020-09-04 16:02:10,197 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 223 [2020-09-04 16:02:10,822 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-09-04 16:02:11,421 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 224 [2020-09-04 16:02:12,053 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 224 [2020-09-04 16:02:12,969 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 16:02:14,324 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 241 DAG size of output: 236 [2020-09-04 16:02:14,943 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 223 [2020-09-04 16:02:15,297 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:02:15,639 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:02:16,249 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:02:16,592 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:02:17,255 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 228 [2020-09-04 16:02:17,610 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:02:18,223 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 16:02:18,791 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 229 [2020-09-04 16:02:19,152 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:02:19,502 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:02:19,857 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:02:20,194 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:02:20,551 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:02:20,893 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:02:23,026 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:02:23,380 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:02:24,328 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:02:25,235 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:02:25,616 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:02:26,020 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:02:27,580 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:02:27,934 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:02:28,861 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:02:29,769 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:02:30,140 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:02:30,493 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:02:31,424 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:02:32,336 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:02:33,107 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 230 [2020-09-04 16:02:33,643 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 224 [2020-09-04 16:02:34,189 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 224 [2020-09-04 16:02:34,733 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 16:02:35,441 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 229 [2020-09-04 16:02:35,978 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 16:02:36,631 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 224 [2020-09-04 16:02:36,960 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:02:37,576 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 222 [2020-09-04 16:02:38,322 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 199 [2020-09-04 16:02:38,655 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:02:39,303 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 16:02:39,779 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 16:02:40,428 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 16:02:41,268 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 198 [2020-09-04 16:02:41,742 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 16:02:45,345 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:02:45,690 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:02:46,138 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:02:46,501 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:02:46,861 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:02:47,674 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-09-04 16:02:48,035 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:02:48,894 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-09-04 16:02:49,266 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:02:50,022 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 228 [2020-09-04 16:02:50,886 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 228 [2020-09-04 16:02:51,266 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:02:51,634 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 16:02:52,006 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:02:52,360 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:02:52,735 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:02:53,096 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 16:02:53,462 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:02:53,823 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:02:54,636 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-09-04 16:02:54,999 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:02:55,859 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-09-04 16:02:56,231 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:02:56,986 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 228 [2020-09-04 16:02:57,849 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 228 [2020-09-04 16:02:58,225 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:02:58,593 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 16:02:58,965 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:02:59,319 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:02:59,695 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:03:00,060 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 16:03:00,420 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:03:00,773 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:03:01,703 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 237 [2020-09-04 16:03:02,639 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 238 [2020-09-04 16:03:03,026 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:03:03,408 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:03:04,350 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 229 [2020-09-04 16:03:04,733 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:03:05,679 WARN L193 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-09-04 16:03:06,080 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 16:03:07,087 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 230 [2020-09-04 16:03:07,928 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-09-04 16:03:08,326 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:03:08,720 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:03:09,116 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:03:09,493 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:03:09,892 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:03:10,275 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:03:10,529 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 31 [2020-09-04 16:03:10,778 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 16:03:11,028 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 31 [2020-09-04 16:03:11,276 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 16:03:11,899 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 225 [2020-09-04 16:03:12,520 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 225 [2020-09-04 16:03:12,790 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 31 [2020-09-04 16:03:13,039 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 31 [2020-09-04 16:03:13,667 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 224 [2020-09-04 16:03:14,291 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 224 [2020-09-04 16:03:14,987 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 16:03:15,236 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 16:03:15,930 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 16:03:16,179 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 16:03:16,428 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 16:03:16,677 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 16:03:17,371 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 16:03:18,062 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 16:03:18,313 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 16:03:18,935 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 224 [2020-09-04 16:03:19,559 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 224 [2020-09-04 16:03:20,252 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 16:03:20,944 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 16:03:21,634 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 16:03:22,325 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 16:03:23,018 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 228 [2020-09-04 16:03:23,709 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 228 [2020-09-04 16:03:23,960 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 16:03:24,210 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 16:03:24,900 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 228 [2020-09-04 16:03:25,591 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 228 [2020-09-04 16:03:25,926 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:03:26,300 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:03:26,686 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:03:27,038 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:03:27,389 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:03:27,740 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:03:28,088 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:03:28,440 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:03:29,714 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 16:03:30,450 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 16:03:30,808 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:03:31,422 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 16:03:31,787 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 16:03:32,141 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:03:32,754 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:03:33,084 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 16:03:33,427 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:03:34,528 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 252 DAG size of output: 229 [2020-09-04 16:03:35,141 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 16:03:35,762 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 16:03:36,382 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 16:03:37,479 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 251 DAG size of output: 228 [2020-09-04 16:03:38,093 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 16:03:38,451 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:03:38,803 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:03:39,732 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 237 [2020-09-04 16:03:40,668 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 238 [2020-09-04 16:03:41,533 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 16:03:42,392 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 16:03:42,741 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:03:43,078 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:03:43,890 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 230 [2020-09-04 16:03:44,695 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 230 [2020-09-04 16:03:45,030 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:03:45,366 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:03:45,694 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:03:46,022 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:03:47,072 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 16:03:48,120 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 16:03:48,796 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:03:49,468 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:03:50,142 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 228 [2020-09-04 16:03:50,802 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 228 [2020-09-04 16:03:51,397 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 16:03:51,987 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 16:03:52,316 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:03:52,645 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:03:52,989 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:03:53,330 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:03:54,385 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 16:03:55,433 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 16:03:55,779 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:03:56,110 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:03:57,066 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 16:03:58,014 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 16:03:58,960 WARN L193 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 16:03:59,908 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 16:04:00,876 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 16:04:01,824 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 16:04:02,788 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 16:04:03,738 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 16:04:04,687 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 16:04:05,636 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 16:04:06,594 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 16:04:07,556 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 16:04:08,504 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 16:04:08,855 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:04:09,207 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:04:09,554 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:04:09,913 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:04:10,521 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:04:10,862 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:04:11,481 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 16:04:11,823 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:04:12,073 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 31 [2020-09-04 16:04:12,322 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 16:04:12,571 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 31 [2020-09-04 16:04:12,820 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 16:04:13,442 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 225 [2020-09-04 16:04:14,063 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 225 [2020-09-04 16:04:14,331 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 31 [2020-09-04 16:04:14,580 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 31 [2020-09-04 16:04:15,209 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 224 [2020-09-04 16:04:15,832 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 224 [2020-09-04 16:04:16,530 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 16:04:16,845 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 16:04:17,537 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 16:04:17,787 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 16:04:18,035 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 16:04:18,284 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 16:04:18,979 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 16:04:19,669 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 16:04:19,919 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 16:04:20,542 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 224 [2020-09-04 16:04:21,165 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 224 [2020-09-04 16:04:21,860 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 16:04:22,550 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 16:04:23,241 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 16:04:23,933 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 16:04:24,625 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 228 [2020-09-04 16:04:25,316 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 228 [2020-09-04 16:04:25,567 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 16:04:25,817 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 16:04:26,507 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 228 [2020-09-04 16:04:27,198 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 228 [2020-09-04 16:04:27,547 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:04:27,899 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:04:28,246 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:04:28,605 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:04:29,213 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:04:29,554 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:04:30,173 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 16:04:30,514 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:04:30,859 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:04:31,215 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:04:32,140 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 16:04:32,765 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:04:33,121 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:04:33,474 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:04:34,389 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 233 [2020-09-04 16:04:35,312 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 234 [2020-09-04 16:04:35,657 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 37 [2020-09-04 16:04:35,994 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 38 [2020-09-04 16:04:36,357 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:04:36,728 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:04:49,671 WARN L193 SmtUtils]: Spent 12.94 s on a formula simplification. DAG size of input: 694 DAG size of output: 566 [2020-09-04 16:04:50,287 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 222 [2020-09-04 16:04:50,771 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 16:04:51,101 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:04:51,754 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 16:04:52,591 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 198 [2020-09-04 16:04:53,241 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 224 [2020-09-04 16:04:53,586 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:04:54,230 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 16:04:54,577 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:04:55,321 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 199 [2020-09-04 16:04:55,797 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 16:04:56,129 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:05:03,902 WARN L193 SmtUtils]: Spent 7.77 s on a formula simplification. DAG size of input: 617 DAG size of output: 485 [2020-09-04 16:05:15,746 WARN L193 SmtUtils]: Spent 11.84 s on a formula simplification. DAG size of input: 678 DAG size of output: 554 [2020-09-04 16:05:16,373 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 237 [2020-09-04 16:05:16,846 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 240 [2020-09-04 16:05:17,340 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 16:05:17,824 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 16:05:18,450 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 237 [2020-09-04 16:05:18,937 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 241 [2020-09-04 16:05:19,870 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 251 [2020-09-04 16:05:20,496 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 238 [2020-09-04 16:05:21,126 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 238 [2020-09-04 16:05:22,059 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 252 [2020-09-04 16:05:22,876 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 230 [2020-09-04 16:05:23,682 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 230 [2020-09-04 16:05:24,732 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 16:05:25,323 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 16:05:25,985 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 227 [2020-09-04 16:05:26,647 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 227 [2020-09-04 16:05:27,238 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 16:05:27,900 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 227 [2020-09-04 16:05:28,492 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 16:05:29,155 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 227 [2020-09-04 16:05:29,746 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 16:05:30,086 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:05:30,428 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:05:30,765 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:05:31,100 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:05:32,151 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 16:05:33,255 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 16:05:33,600 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:05:33,937 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:05:34,612 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 226 [2020-09-04 16:05:35,283 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 226 [2020-09-04 16:05:35,622 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:05:35,957 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:05:36,298 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:05:36,635 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:05:36,969 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:05:37,305 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:05:37,636 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:05:37,965 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:05:39,022 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 16:05:40,070 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 16:05:40,412 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:05:40,753 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:05:41,426 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:05:42,099 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:05:43,150 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 16:05:44,202 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 16:05:45,252 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 16:05:46,302 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 16:05:46,634 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:05:46,963 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:05:48,017 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 16:05:49,067 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 16:05:49,407 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:05:49,744 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:05:50,074 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 16:05:51,123 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 16:05:51,713 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 16:05:52,761 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 16:05:53,351 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 16:05:54,157 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 229 [2020-09-04 16:05:54,963 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 229 [2020-09-04 16:05:55,304 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:05:56,109 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 229 [2020-09-04 16:05:56,449 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:05:57,255 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 229 [2020-09-04 16:05:57,927 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 226 [2020-09-04 16:05:58,602 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 226 [2020-09-04 16:05:59,652 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 16:06:00,314 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 228 [2020-09-04 16:06:00,974 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 228 [2020-09-04 16:06:01,305 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 16:06:01,636 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:06:01,966 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:06:02,865 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 16:06:03,641 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 16:06:04,427 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 16:06:04,800 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 16:06:05,722 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 16:06:06,882 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 257 DAG size of output: 246 [2020-09-04 16:06:07,804 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 16:06:08,711 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 238 [2020-09-04 16:06:09,827 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2020-09-04 16:06:10,205 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 16:06:12,136 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:06:12,507 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:06:25,936 WARN L193 SmtUtils]: Spent 13.34 s on a formula simplification. DAG size of input: 694 DAG size of output: 566 [2020-09-04 16:06:26,986 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 16:06:27,316 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:06:27,645 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:06:28,694 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 16:06:29,024 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 16:06:30,074 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 16:06:30,405 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 16:06:31,453 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 16:06:31,794 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:06:32,134 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:06:32,958 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 16:06:33,784 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 16:06:34,835 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 16:06:35,886 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 16:06:36,476 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 16:06:37,066 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 16:06:37,406 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:06:37,742 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:06:38,082 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:06:38,417 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:06:39,513 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2020-09-04 16:06:40,600 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2020-09-04 16:06:40,937 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:06:41,273 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:06:41,609 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:06:41,944 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:06:42,283 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:06:43,332 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 16:06:43,667 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:06:44,717 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 16:06:45,054 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:06:45,392 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:06:45,984 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 16:06:46,577 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 16:06:47,168 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 16:06:47,760 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 16:06:48,585 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 16:06:49,408 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 16:06:50,501 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 235 DAG size of output: 234 [2020-09-04 16:06:51,588 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 235 DAG size of output: 234 [2020-09-04 16:06:52,677 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 235 DAG size of output: 234 [2020-09-04 16:06:53,766 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 235 DAG size of output: 234 [2020-09-04 16:06:54,841 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 235 DAG size of output: 234 [2020-09-04 16:06:55,914 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 235 DAG size of output: 234 [2020-09-04 16:06:56,968 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 16:06:58,016 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 16:06:58,344 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:06:59,394 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 16:06:59,723 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:07:00,775 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 16:07:01,108 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:07:01,437 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:07:02,488 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 16:07:03,537 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 16:07:04,587 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 16:07:05,635 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 16:07:05,977 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:07:06,318 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:07:07,143 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 16:07:08,215 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 234 DAG size of output: 233 [2020-09-04 16:07:09,289 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 234 DAG size of output: 233 [2020-09-04 16:07:10,113 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 16:07:11,187 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 234 DAG size of output: 233 [2020-09-04 16:07:12,268 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 234 DAG size of output: 233 [2020-09-04 16:07:12,600 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 16:07:12,930 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 16:07:13,267 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:07:13,603 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:07:13,936 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 16:07:28,936 WARN L193 SmtUtils]: Spent 15.00 s on a formula simplification. DAG size of input: 737 DAG size of output: 607 [2020-09-04 16:07:30,098 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 255 DAG size of output: 243 [2020-09-04 16:07:30,607 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 16:07:31,122 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 16:07:31,637 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 16:07:32,830 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 254 DAG size of output: 242 [2020-09-04 16:07:33,340 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 16:07:34,004 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 224 [2020-09-04 16:07:34,333 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:07:34,949 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 222 [2020-09-04 16:07:35,695 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 199 [2020-09-04 16:07:36,028 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:07:36,676 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 16:07:37,151 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 16:07:37,800 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 16:07:38,638 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 198 [2020-09-04 16:07:39,112 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 16:07:39,459 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:07:40,054 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 16:07:41,151 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 235 DAG size of output: 234 [2020-09-04 16:07:41,491 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:07:41,838 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:07:42,191 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:07:42,527 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:07:42,863 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 16:07:43,198 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:07:44,252 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 246 DAG size of output: 206 [2020-09-04 16:07:44,589 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:07:44,929 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:07:45,259 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 16:07:46,313 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 16:07:47,389 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 234 DAG size of output: 233 [2020-09-04 16:07:47,737 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:07:48,080 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:07:48,416 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:07:48,767 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:07:49,103 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:07:49,448 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:07:49,785 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:07:50,615 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 16:07:50,968 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:07:51,309 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:07:51,901 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 16:07:52,234 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:07:53,308 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 235 DAG size of output: 234 [2020-09-04 16:07:54,400 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2020-09-04 16:07:54,741 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:07:55,565 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 16:07:55,923 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:07:56,274 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:07:57,196 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2020-09-04 16:07:58,124 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 236 [2020-09-04 16:07:58,483 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:07:58,834 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:07:59,185 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:07:59,538 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:07:59,890 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:08:00,246 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:08:00,582 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:08:00,936 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:08:01,290 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:08:02,218 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:08:03,123 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:08:03,877 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 199 [2020-09-04 16:08:04,491 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 222 [2020-09-04 16:08:04,820 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:08:05,295 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 16:08:05,771 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 16:08:06,421 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 16:08:07,070 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 16:08:07,903 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 198 [2020-09-04 16:08:08,552 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 224 [2020-09-04 16:08:08,882 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:08:09,227 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:08:09,586 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:08:09,977 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 16:08:10,366 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 16:08:10,759 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 16:08:11,146 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 16:08:11,553 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:08:11,949 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 16:08:12,352 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:08:12,736 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:08:13,126 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:08:13,514 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 16:08:14,406 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:08:14,749 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:08:15,111 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:08:15,471 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:08:15,834 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:08:16,207 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:08:16,586 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:08:16,953 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 16:08:17,326 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:08:17,683 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:08:18,058 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:08:18,417 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 16:08:18,796 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:08:19,171 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:08:19,548 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:08:19,928 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:08:20,322 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:08:20,703 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 16:08:21,090 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:08:21,458 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:08:21,840 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:08:22,213 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 16:08:22,556 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:08:22,931 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:08:23,306 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:08:23,683 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:08:24,062 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:08:24,456 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:08:24,836 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 16:08:25,222 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:08:25,591 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:08:25,973 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:08:26,347 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 16:08:26,976 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 237 [2020-09-04 16:08:27,450 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 240 [2020-09-04 16:08:27,944 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 16:08:28,429 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 16:08:29,054 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 237 [2020-09-04 16:08:29,539 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 241 [2020-09-04 16:08:30,475 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 251 [2020-09-04 16:08:31,101 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 238 [2020-09-04 16:08:31,730 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 238 [2020-09-04 16:08:32,662 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 252 [2020-09-04 16:08:33,049 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:08:33,420 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:08:45,219 WARN L193 SmtUtils]: Spent 11.77 s on a formula simplification. DAG size of input: 678 DAG size of output: 554 [2020-09-04 16:08:45,834 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 16:08:46,182 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:08:46,537 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:08:46,891 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:08:47,498 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:08:47,848 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:08:48,598 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 199 [2020-09-04 16:08:49,213 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 222 [2020-09-04 16:08:49,543 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:08:50,018 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 16:08:50,494 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 16:08:51,144 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 16:08:51,793 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 16:08:52,627 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 198 [2020-09-04 16:08:53,278 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 224 [2020-09-04 16:08:53,609 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:08:54,006 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 16:08:54,425 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 16:08:55,315 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 16:08:55,710 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 16:08:56,104 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 16:08:57,002 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 247 [2020-09-04 16:08:57,380 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:08:57,766 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:09:10,680 WARN L193 SmtUtils]: Spent 12.91 s on a formula simplification. DAG size of input: 694 DAG size of output: 566 [2020-09-04 16:09:23,597 WARN L193 SmtUtils]: Spent 12.91 s on a formula simplification. DAG size of input: 694 DAG size of output: 566 [2020-09-04 16:09:23,929 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 16:09:24,266 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:09:24,880 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 222 [2020-09-04 16:09:25,364 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 16:09:25,693 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:09:26,346 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 16:09:27,182 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 198 [2020-09-04 16:09:27,831 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 224 [2020-09-04 16:09:28,176 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:09:28,819 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 16:09:29,168 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:09:29,912 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 199 [2020-09-04 16:09:30,387 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 16:09:30,720 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:09:31,358 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-09-04 16:09:31,947 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:09:32,549 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 16:09:33,193 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-09-04 16:09:34,185 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 253 [2020-09-04 16:09:34,820 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 240 [2020-09-04 16:09:35,454 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 240 [2020-09-04 16:09:36,449 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 254 [2020-09-04 16:09:37,352 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 16:09:38,138 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 16:09:38,513 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 16:09:39,435 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 16:09:40,594 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 257 DAG size of output: 246 [2020-09-04 16:09:41,514 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 16:09:42,417 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 238 [2020-09-04 16:09:43,537 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2020-09-04 16:09:44,315 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 16:09:44,691 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 16:09:45,047 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:09:45,400 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:09:46,323 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:09:47,229 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:09:47,862 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 237 [2020-09-04 16:09:48,330 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 16:09:48,798 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 16:09:49,432 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 237 [2020-09-04 16:09:50,372 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 251 [2020-09-04 16:09:50,999 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 238 [2020-09-04 16:09:51,475 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 16:09:52,102 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 238