/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 21:13:37,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 21:13:37,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 21:13:37,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 21:13:37,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 21:13:37,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 21:13:37,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 21:13:37,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 21:13:37,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 21:13:37,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 21:13:37,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 21:13:37,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 21:13:37,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 21:13:37,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 21:13:37,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 21:13:37,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 21:13:37,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 21:13:37,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 21:13:37,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 21:13:37,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 21:13:37,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 21:13:37,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 21:13:37,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 21:13:37,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 21:13:37,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 21:13:37,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 21:13:37,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 21:13:37,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 21:13:37,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 21:13:37,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 21:13:37,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 21:13:37,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 21:13:37,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 21:13:37,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 21:13:37,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 21:13:37,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 21:13:37,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 21:13:37,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 21:13:37,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 21:13:37,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 21:13:37,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 21:13:37,748 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 21:13:37,764 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 21:13:37,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 21:13:37,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 21:13:37,766 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 21:13:37,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 21:13:37,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 21:13:37,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 21:13:37,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 21:13:37,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 21:13:37,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 21:13:37,768 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 21:13:37,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 21:13:37,768 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 21:13:37,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 21:13:37,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 21:13:37,769 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 21:13:37,769 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 21:13:37,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 21:13:37,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 21:13:37,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 21:13:37,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 21:13:37,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 21:13:37,770 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-09-04 21:13:38,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 21:13:38,218 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 21:13:38,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 21:13:38,225 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 21:13:38,225 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 21:13:38,226 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2020-09-04 21:13:38,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eadc8ad39/ecf65462c4e24cdb90c6174b1e428002/FLAG2b959a13a [2020-09-04 21:13:38,903 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 21:13:38,904 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2020-09-04 21:13:38,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eadc8ad39/ecf65462c4e24cdb90c6174b1e428002/FLAG2b959a13a [2020-09-04 21:13:39,198 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eadc8ad39/ecf65462c4e24cdb90c6174b1e428002 [2020-09-04 21:13:39,211 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 21:13:39,213 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 21:13:39,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 21:13:39,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 21:13:39,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 21:13:39,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:13:39" (1/1) ... [2020-09-04 21:13:39,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a688b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:13:39, skipping insertion in model container [2020-09-04 21:13:39,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:13:39" (1/1) ... [2020-09-04 21:13:39,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 21:13:39,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 21:13:39,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:13:39,814 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 21:13:39,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:13:39,975 INFO L208 MainTranslator]: Completed translation [2020-09-04 21:13:39,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:13:39 WrapperNode [2020-09-04 21:13:39,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 21:13:39,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 21:13:39,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 21:13:39,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 21:13:39,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:13:39" (1/1) ... [2020-09-04 21:13:39,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:13:39" (1/1) ... [2020-09-04 21:13:40,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:13:39" (1/1) ... [2020-09-04 21:13:40,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:13:39" (1/1) ... [2020-09-04 21:13:40,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:13:39" (1/1) ... [2020-09-04 21:13:40,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:13:39" (1/1) ... [2020-09-04 21:13:40,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:13:39" (1/1) ... [2020-09-04 21:13:40,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 21:13:40,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 21:13:40,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 21:13:40,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 21:13:40,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:13:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 21:13:40,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 21:13:40,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 21:13:40,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 21:13:40,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 21:13:40,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 21:13:40,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 21:13:40,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 21:13:40,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 21:13:40,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 21:13:40,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 21:13:40,181 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 21:13:40,182 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 21:13:40,182 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 21:13:40,183 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-04 21:13:40,183 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 21:13:40,183 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-04 21:13:40,184 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 21:13:40,184 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 21:13:40,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 21:13:40,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 21:13:40,186 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 21:13:40,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 21:13:40,188 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-04 21:13:40,189 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-04 21:13:40,189 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 21:13:40,189 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 21:13:40,189 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 21:13:40,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 21:13:40,189 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 21:13:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 21:13:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 21:13:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 21:13:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 21:13:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 21:13:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 21:13:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 21:13:40,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-04 21:13:40,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-04 21:13:40,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-04 21:13:40,191 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 21:13:40,191 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 21:13:40,191 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 21:13:40,192 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 21:13:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 21:13:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 21:13:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 21:13:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 21:13:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 21:13:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 21:13:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 21:13:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 21:13:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 21:13:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 21:13:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 21:13:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 21:13:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 21:13:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 21:13:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 21:13:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 21:13:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 21:13:40,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 21:13:40,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 21:13:40,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 21:13:40,195 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 21:13:40,195 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 21:13:40,195 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 21:13:40,195 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-04 21:13:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-04 21:13:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 21:13:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 21:13:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 21:13:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 21:13:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 21:13:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 21:13:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 21:13:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 21:13:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 21:13:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 21:13:40,198 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 21:13:40,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-04 21:13:40,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-04 21:13:40,199 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 21:13:40,199 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 21:13:40,199 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 21:13:40,199 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-04 21:13:40,199 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 21:13:40,200 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-04 21:13:40,201 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 21:13:40,201 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 21:13:40,201 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 21:13:40,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-04 21:13:40,202 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 21:13:40,202 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 21:13:40,202 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 21:13:40,203 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 21:13:40,203 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 21:13:40,204 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 21:13:40,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 21:13:40,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 21:13:40,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 21:13:41,368 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 21:13:41,368 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 21:13:41,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:13:41 BoogieIcfgContainer [2020-09-04 21:13:41,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 21:13:41,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 21:13:41,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 21:13:41,380 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 21:13:41,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 09:13:39" (1/3) ... [2020-09-04 21:13:41,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b69994c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:13:41, skipping insertion in model container [2020-09-04 21:13:41,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:13:39" (2/3) ... [2020-09-04 21:13:41,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b69994c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:13:41, skipping insertion in model container [2020-09-04 21:13:41,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:13:41" (3/3) ... [2020-09-04 21:13:41,385 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2020-09-04 21:13:41,394 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 21:13:41,403 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 21:13:41,423 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 21:13:41,447 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 21:13:41,447 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 21:13:41,447 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 21:13:41,447 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 21:13:41,448 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 21:13:41,448 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 21:13:41,448 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 21:13:41,448 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 21:13:41,472 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states. [2020-09-04 21:13:41,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-04 21:13:41,497 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:13:41,499 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:13:41,499 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:13:41,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:13:41,507 INFO L82 PathProgramCache]: Analyzing trace with hash 242208481, now seen corresponding path program 1 times [2020-09-04 21:13:41,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:13:41,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [191976187] [2020-09-04 21:13:41,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:13:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:42,363 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:13:42,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:42,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:13:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:42,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:13:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:42,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:13:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:42,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:13:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:42,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:13:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:42,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 21:13:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:42,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:42,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 21:13:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:42,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 21:13:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:42,660 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:13:42,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [191976187] [2020-09-04 21:13:42,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:13:42,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 21:13:42,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142124856] [2020-09-04 21:13:42,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 21:13:42,672 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:13:42,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 21:13:42,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 21:13:42,694 INFO L87 Difference]: Start difference. First operand 338 states. Second operand 4 states. [2020-09-04 21:13:44,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:13:44,268 INFO L93 Difference]: Finished difference Result 540 states and 636 transitions. [2020-09-04 21:13:44,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 21:13:44,270 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-04 21:13:44,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:13:44,291 INFO L225 Difference]: With dead ends: 540 [2020-09-04 21:13:44,292 INFO L226 Difference]: Without dead ends: 338 [2020-09-04 21:13:44,303 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 21:13:44,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-09-04 21:13:44,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 287. [2020-09-04 21:13:44,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2020-09-04 21:13:44,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 314 transitions. [2020-09-04 21:13:44,478 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 314 transitions. Word has length 160 [2020-09-04 21:13:44,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:13:44,479 INFO L479 AbstractCegarLoop]: Abstraction has 287 states and 314 transitions. [2020-09-04 21:13:44,479 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 21:13:44,479 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 314 transitions. [2020-09-04 21:13:44,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-04 21:13:44,486 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:13:44,486 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:13:44,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 21:13:44,491 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:13:44,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:13:44,492 INFO L82 PathProgramCache]: Analyzing trace with hash 424618484, now seen corresponding path program 1 times [2020-09-04 21:13:44,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:13:44,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1887095120] [2020-09-04 21:13:44,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:13:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:44,994 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:13:44,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:45,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:13:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:45,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:13:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:45,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:13:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:45,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:13:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:45,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:13:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:45,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:13:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:45,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:45,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:13:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:45,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:13:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:45,092 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:13:45,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1887095120] [2020-09-04 21:13:45,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:13:45,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 21:13:45,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231427246] [2020-09-04 21:13:45,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 21:13:45,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:13:45,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 21:13:45,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 21:13:45,097 INFO L87 Difference]: Start difference. First operand 287 states and 314 transitions. Second operand 5 states. [2020-09-04 21:13:45,832 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:13:47,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:13:47,092 INFO L93 Difference]: Finished difference Result 459 states and 520 transitions. [2020-09-04 21:13:47,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 21:13:47,093 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-04 21:13:47,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:13:47,098 INFO L225 Difference]: With dead ends: 459 [2020-09-04 21:13:47,098 INFO L226 Difference]: Without dead ends: 327 [2020-09-04 21:13:47,100 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 21:13:47,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-09-04 21:13:47,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 277. [2020-09-04 21:13:47,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-09-04 21:13:47,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 301 transitions. [2020-09-04 21:13:47,168 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 301 transitions. Word has length 161 [2020-09-04 21:13:47,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:13:47,169 INFO L479 AbstractCegarLoop]: Abstraction has 277 states and 301 transitions. [2020-09-04 21:13:47,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 21:13:47,169 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 301 transitions. [2020-09-04 21:13:47,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-04 21:13:47,172 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:13:47,172 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:13:47,173 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 21:13:47,173 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:13:47,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:13:47,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1558569605, now seen corresponding path program 1 times [2020-09-04 21:13:47,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:13:47,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1268770785] [2020-09-04 21:13:47,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:13:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:47,560 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:13:47,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:47,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:13:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:47,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:13:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:47,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:13:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:47,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:13:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:47,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:13:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:47,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:13:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:47,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:13:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:47,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:47,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-04 21:13:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:47,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-04 21:13:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:47,730 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:13:47,731 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1268770785] [2020-09-04 21:13:47,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:13:47,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 21:13:47,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795835090] [2020-09-04 21:13:47,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 21:13:47,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:13:47,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 21:13:47,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 21:13:47,733 INFO L87 Difference]: Start difference. First operand 277 states and 301 transitions. Second operand 11 states. [2020-09-04 21:13:48,429 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:48,900 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:49,261 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:13:49,555 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:13:49,861 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:13:50,146 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:13:51,391 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:13:54,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:13:54,158 INFO L93 Difference]: Finished difference Result 772 states and 900 transitions. [2020-09-04 21:13:54,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 21:13:54,158 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-09-04 21:13:54,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:13:54,164 INFO L225 Difference]: With dead ends: 772 [2020-09-04 21:13:54,164 INFO L226 Difference]: Without dead ends: 610 [2020-09-04 21:13:54,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-09-04 21:13:54,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2020-09-04 21:13:54,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 507. [2020-09-04 21:13:54,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2020-09-04 21:13:54,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 571 transitions. [2020-09-04 21:13:54,329 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 571 transitions. Word has length 174 [2020-09-04 21:13:54,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:13:54,330 INFO L479 AbstractCegarLoop]: Abstraction has 507 states and 571 transitions. [2020-09-04 21:13:54,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 21:13:54,330 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 571 transitions. [2020-09-04 21:13:54,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-04 21:13:54,333 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:13:54,333 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] [2020-09-04 21:13:54,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 21:13:54,334 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:13:54,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:13:54,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1499637602, now seen corresponding path program 1 times [2020-09-04 21:13:54,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:13:54,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2137176175] [2020-09-04 21:13:54,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:13:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,731 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:13:54,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:13:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:13:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:13:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:13:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:13:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-04 21:13:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 21:13:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-04 21:13:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-04 21:13:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,931 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-04 21:13:54,931 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2137176175] [2020-09-04 21:13:54,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:13:54,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 21:13:54,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095299743] [2020-09-04 21:13:54,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 21:13:54,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:13:54,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 21:13:54,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 21:13:54,934 INFO L87 Difference]: Start difference. First operand 507 states and 571 transitions. Second operand 10 states. [2020-09-04 21:13:55,627 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:56,597 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:13:56,930 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:13:58,290 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:13:58,609 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:13:58,940 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:13:59,379 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:59,691 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:14:00,046 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:14:01,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:14:01,088 INFO L93 Difference]: Finished difference Result 1194 states and 1427 transitions. [2020-09-04 21:14:01,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 21:14:01,089 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-04 21:14:01,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:14:01,098 INFO L225 Difference]: With dead ends: 1194 [2020-09-04 21:14:01,098 INFO L226 Difference]: Without dead ends: 802 [2020-09-04 21:14:01,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-04 21:14:01,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2020-09-04 21:14:01,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 709. [2020-09-04 21:14:01,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2020-09-04 21:14:01,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 795 transitions. [2020-09-04 21:14:01,417 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 795 transitions. Word has length 179 [2020-09-04 21:14:01,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:14:01,418 INFO L479 AbstractCegarLoop]: Abstraction has 709 states and 795 transitions. [2020-09-04 21:14:01,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 21:14:01,418 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 795 transitions. [2020-09-04 21:14:01,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-04 21:14:01,422 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:14:01,422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:14:01,423 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 21:14:01,423 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:14:01,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:14:01,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1825094604, now seen corresponding path program 1 times [2020-09-04 21:14:01,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:14:01,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1396594371] [2020-09-04 21:14:01,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:14:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,766 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:14:01,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:14:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:14:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:14:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:14:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:14:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:14:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:14:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:14:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:14:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:14:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-04 21:14:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-04 21:14:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:02,067 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:14:02,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1396594371] [2020-09-04 21:14:02,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:14:02,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 21:14:02,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314904279] [2020-09-04 21:14:02,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 21:14:02,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:14:02,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 21:14:02,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 21:14:02,070 INFO L87 Difference]: Start difference. First operand 709 states and 795 transitions. Second operand 11 states. [2020-09-04 21:14:03,834 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:14:04,140 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:14:04,464 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:14:04,772 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:14:05,092 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:05,377 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:14:06,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:14:06,911 INFO L93 Difference]: Finished difference Result 1515 states and 1828 transitions. [2020-09-04 21:14:06,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 21:14:06,911 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 234 [2020-09-04 21:14:06,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:14:06,917 INFO L225 Difference]: With dead ends: 1515 [2020-09-04 21:14:06,917 INFO L226 Difference]: Without dead ends: 921 [2020-09-04 21:14:06,920 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-04 21:14:06,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-09-04 21:14:07,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 728. [2020-09-04 21:14:07,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2020-09-04 21:14:07,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 815 transitions. [2020-09-04 21:14:07,135 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 815 transitions. Word has length 234 [2020-09-04 21:14:07,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:14:07,136 INFO L479 AbstractCegarLoop]: Abstraction has 728 states and 815 transitions. [2020-09-04 21:14:07,136 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 21:14:07,136 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 815 transitions. [2020-09-04 21:14:07,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-04 21:14:07,141 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:14:07,141 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:14:07,141 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 21:14:07,141 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:14:07,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:14:07,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1802126292, now seen corresponding path program 1 times [2020-09-04 21:14:07,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:14:07,142 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1609155806] [2020-09-04 21:14:07,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:14:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,494 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:14:07,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:14:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:14:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:14:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:14:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:14:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:14:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:14:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:14:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:14:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:14:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-04 21:14:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-04 21:14:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,790 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:14:07,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1609155806] [2020-09-04 21:14:07,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:14:07,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 21:14:07,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629680218] [2020-09-04 21:14:07,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 21:14:07,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:14:07,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 21:14:07,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-09-04 21:14:07,792 INFO L87 Difference]: Start difference. First operand 728 states and 815 transitions. Second operand 14 states. [2020-09-04 21:14:08,434 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:14:08,742 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:14:09,057 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:14:09,361 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:09,645 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:14:11,003 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:14:11,294 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:11,620 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:14:11,966 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:12,276 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:14:14,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:14:14,051 INFO L93 Difference]: Finished difference Result 1552 states and 1866 transitions. [2020-09-04 21:14:14,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 21:14:14,057 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 234 [2020-09-04 21:14:14,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:14:14,063 INFO L225 Difference]: With dead ends: 1552 [2020-09-04 21:14:14,063 INFO L226 Difference]: Without dead ends: 939 [2020-09-04 21:14:14,066 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-09-04 21:14:14,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2020-09-04 21:14:14,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 740. [2020-09-04 21:14:14,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2020-09-04 21:14:14,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 827 transitions. [2020-09-04 21:14:14,285 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 827 transitions. Word has length 234 [2020-09-04 21:14:14,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:14:14,286 INFO L479 AbstractCegarLoop]: Abstraction has 740 states and 827 transitions. [2020-09-04 21:14:14,286 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 21:14:14,286 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 827 transitions. [2020-09-04 21:14:14,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-04 21:14:14,289 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:14:14,289 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:14:14,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 21:14:14,290 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:14:14,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:14:14,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1075021015, now seen corresponding path program 1 times [2020-09-04 21:14:14,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:14:14,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1638487681] [2020-09-04 21:14:14,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:14:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:14,644 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:14:14,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:14,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:14:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:14,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:14:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:14,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:14:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:14,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:14:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:14,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:14:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:14,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:14:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:14,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:14:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:14,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:14,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:14:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:14,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:14,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:14,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:14:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:14,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:14:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:14,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:14,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:14,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:14,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-04 21:14:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:14,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-04 21:14:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:14,961 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:14:14,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1638487681] [2020-09-04 21:14:14,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:14:14,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 21:14:14,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868737162] [2020-09-04 21:14:14,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 21:14:14,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:14:14,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 21:14:14,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 21:14:14,964 INFO L87 Difference]: Start difference. First operand 740 states and 827 transitions. Second operand 8 states. [2020-09-04 21:14:15,510 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:14:16,280 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:14:19,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:14:19,687 INFO L93 Difference]: Finished difference Result 2321 states and 2826 transitions. [2020-09-04 21:14:19,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-04 21:14:19,688 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 234 [2020-09-04 21:14:19,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:14:19,698 INFO L225 Difference]: With dead ends: 2321 [2020-09-04 21:14:19,699 INFO L226 Difference]: Without dead ends: 1696 [2020-09-04 21:14:19,702 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 51 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2020-09-04 21:14:19,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2020-09-04 21:14:20,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1428. [2020-09-04 21:14:20,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2020-09-04 21:14:20,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1624 transitions. [2020-09-04 21:14:20,295 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1624 transitions. Word has length 234 [2020-09-04 21:14:20,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:14:20,296 INFO L479 AbstractCegarLoop]: Abstraction has 1428 states and 1624 transitions. [2020-09-04 21:14:20,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 21:14:20,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1624 transitions. [2020-09-04 21:14:20,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-04 21:14:20,301 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:14:20,302 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:14:20,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 21:14:20,302 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:14:20,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:14:20,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1371063584, now seen corresponding path program 1 times [2020-09-04 21:14:20,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:14:20,307 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [647105873] [2020-09-04 21:14:20,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:14:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:20,754 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:14:20,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:20,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:14:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:20,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:14:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:20,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:14:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:20,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:14:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:20,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:14:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:20,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:14:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:20,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:14:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:20,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 21:14:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:20,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:20,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-04 21:14:20,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:20,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:20,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:20,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:14:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:20,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:14:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:20,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:20,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:20,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-04 21:14:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 21:14:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,178 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:14:21,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [647105873] [2020-09-04 21:14:21,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:14:21,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-04 21:14:21,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586471204] [2020-09-04 21:14:21,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 21:14:21,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:14:21,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 21:14:21,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-09-04 21:14:21,182 INFO L87 Difference]: Start difference. First operand 1428 states and 1624 transitions. Second operand 15 states. [2020-09-04 21:14:22,283 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 21:14:23,181 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:14:24,618 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-04 21:14:25,229 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 21:14:25,654 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:14:25,985 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:14:26,622 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-04 21:14:26,935 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:14:27,303 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:14:27,618 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:14:31,555 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 21:14:32,244 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:14:32,538 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:14:32,988 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:14:34,466 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-04 21:14:35,035 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-04 21:14:35,637 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 21:14:36,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:14:36,613 INFO L93 Difference]: Finished difference Result 4367 states and 5340 transitions. [2020-09-04 21:14:36,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-09-04 21:14:36,614 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 239 [2020-09-04 21:14:36,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:14:36,633 INFO L225 Difference]: With dead ends: 4367 [2020-09-04 21:14:36,633 INFO L226 Difference]: Without dead ends: 3335 [2020-09-04 21:14:36,639 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1301 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=829, Invalid=3331, Unknown=0, NotChecked=0, Total=4160 [2020-09-04 21:14:36,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3335 states. [2020-09-04 21:14:37,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3335 to 2625. [2020-09-04 21:14:37,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2625 states. [2020-09-04 21:14:37,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 2625 states and 2965 transitions. [2020-09-04 21:14:37,688 INFO L78 Accepts]: Start accepts. Automaton has 2625 states and 2965 transitions. Word has length 239 [2020-09-04 21:14:37,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:14:37,689 INFO L479 AbstractCegarLoop]: Abstraction has 2625 states and 2965 transitions. [2020-09-04 21:14:37,689 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 21:14:37,689 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 2965 transitions. [2020-09-04 21:14:37,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-09-04 21:14:37,693 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:14:37,694 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, 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] [2020-09-04 21:14:37,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 21:14:37,694 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:14:37,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:14:37,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1120150761, now seen corresponding path program 1 times [2020-09-04 21:14:37,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:14:37,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [890390365] [2020-09-04 21:14:37,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:14:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,102 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:14:38,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:14:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:14:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:14:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:14:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:14:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:14:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:14:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:14:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:14:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:14:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:14:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:14:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:14:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 21:14:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-09-04 21:14:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-09-04 21:14:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:14:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2020-09-04 21:14:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-09-04 21:14:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:38,735 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-09-04 21:14:38,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [890390365] [2020-09-04 21:14:38,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:14:38,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-04 21:14:38,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073328567] [2020-09-04 21:14:38,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 21:14:38,737 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:14:38,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 21:14:38,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-09-04 21:14:38,738 INFO L87 Difference]: Start difference. First operand 2625 states and 2965 transitions. Second operand 19 states. [2020-09-04 21:14:39,726 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:14:40,059 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:14:40,383 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:14:40,707 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:41,007 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:14:42,122 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 21:14:42,662 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:14:42,971 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:14:43,368 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:14:43,707 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:14:44,122 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:14:44,546 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-09-04 21:14:44,946 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:14:47,459 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:14:48,939 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:14:49,601 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:14:50,231 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 21:14:50,721 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:51,608 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:14:52,287 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:14:52,670 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:14:53,452 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-04 21:14:54,202 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-09-04 21:14:55,560 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-09-04 21:14:56,243 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:56,968 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-04 21:14:59,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:14:59,304 INFO L93 Difference]: Finished difference Result 5946 states and 6998 transitions. [2020-09-04 21:14:59,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-09-04 21:14:59,307 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 325 [2020-09-04 21:14:59,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:14:59,328 INFO L225 Difference]: With dead ends: 5946 [2020-09-04 21:14:59,328 INFO L226 Difference]: Without dead ends: 3702 [2020-09-04 21:14:59,338 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2459 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=1409, Invalid=6601, Unknown=0, NotChecked=0, Total=8010 [2020-09-04 21:14:59,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3702 states. [2020-09-04 21:15:00,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3702 to 3051. [2020-09-04 21:15:00,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3051 states. [2020-09-04 21:15:00,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3051 states to 3051 states and 3394 transitions. [2020-09-04 21:15:00,491 INFO L78 Accepts]: Start accepts. Automaton has 3051 states and 3394 transitions. Word has length 325 [2020-09-04 21:15:00,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:15:00,492 INFO L479 AbstractCegarLoop]: Abstraction has 3051 states and 3394 transitions. [2020-09-04 21:15:00,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 21:15:00,492 INFO L276 IsEmpty]: Start isEmpty. Operand 3051 states and 3394 transitions. [2020-09-04 21:15:00,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2020-09-04 21:15:00,504 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:15:00,505 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:15:00,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 21:15:00,505 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:15:00,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:15:00,506 INFO L82 PathProgramCache]: Analyzing trace with hash 450550555, now seen corresponding path program 1 times [2020-09-04 21:15:00,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:15:00,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [822418061] [2020-09-04 21:15:00,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:15:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:00,943 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:15:00,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:00,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:15:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:00,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:15:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:00,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:15:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:00,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:15:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:00,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:15:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:15:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:15:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:15:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:15:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:15:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:15:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:15:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:15:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 21:15:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:15:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:15:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:15:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-04 21:15:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-09-04 21:15:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:15:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:15:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:15:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2020-09-04 21:15:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2020-09-04 21:15:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:15:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2020-09-04 21:15:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2020-09-04 21:15:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2020-09-04 21:15:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:15:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:15:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2020-09-04 21:15:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2020-09-04 21:15:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:01,788 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 165 proven. 63 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2020-09-04 21:15:01,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [822418061] [2020-09-04 21:15:01,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:15:01,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:15:01,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279016629] [2020-09-04 21:15:01,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:15:01,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:15:01,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:15:01,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:15:01,790 INFO L87 Difference]: Start difference. First operand 3051 states and 3394 transitions. Second operand 18 states. [2020-09-04 21:15:03,747 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:15:04,069 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:15:04,498 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:04,827 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:15:05,128 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:05,449 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:15:07,169 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:07,540 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:15:12,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:15:12,026 INFO L93 Difference]: Finished difference Result 8768 states and 10283 transitions. [2020-09-04 21:15:12,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-09-04 21:15:12,027 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 572 [2020-09-04 21:15:12,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:15:12,053 INFO L225 Difference]: With dead ends: 8768 [2020-09-04 21:15:12,053 INFO L226 Difference]: Without dead ends: 5317 [2020-09-04 21:15:12,064 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 137 SyntacticMatches, 4 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 552 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=521, Invalid=1831, Unknown=0, NotChecked=0, Total=2352 [2020-09-04 21:15:12,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5317 states. [2020-09-04 21:15:13,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5317 to 4152. [2020-09-04 21:15:13,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4152 states. [2020-09-04 21:15:13,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4152 states to 4152 states and 4701 transitions. [2020-09-04 21:15:13,465 INFO L78 Accepts]: Start accepts. Automaton has 4152 states and 4701 transitions. Word has length 572 [2020-09-04 21:15:13,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:15:13,466 INFO L479 AbstractCegarLoop]: Abstraction has 4152 states and 4701 transitions. [2020-09-04 21:15:13,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:15:13,466 INFO L276 IsEmpty]: Start isEmpty. Operand 4152 states and 4701 transitions. [2020-09-04 21:15:13,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2020-09-04 21:15:13,482 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:15:13,482 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:15:13,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 21:15:13,483 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:15:13,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:15:13,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1961874768, now seen corresponding path program 1 times [2020-09-04 21:15:13,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:15:13,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1006358153] [2020-09-04 21:15:13,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:15:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:13,872 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:15:13,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:13,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:15:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:13,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:15:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:13,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:15:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:13,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:15:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:13,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:15:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:13,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:15:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:13,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:15:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:15:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:15:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:15:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:15:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:15:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:15:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 21:15:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:15:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:15:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:15:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:15:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-09-04 21:15:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-09-04 21:15:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:15:14,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:15:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:15:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2020-09-04 21:15:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-09-04 21:15:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-09-04 21:15:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:15:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2020-09-04 21:15:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2020-09-04 21:15:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2020-09-04 21:15:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:15:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:15:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2020-09-04 21:15:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2020-09-04 21:15:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:14,734 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 175 proven. 53 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2020-09-04 21:15:14,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1006358153] [2020-09-04 21:15:14,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:15:14,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-09-04 21:15:14,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318814775] [2020-09-04 21:15:14,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-09-04 21:15:14,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:15:14,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-09-04 21:15:14,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2020-09-04 21:15:14,737 INFO L87 Difference]: Start difference. First operand 4152 states and 4701 transitions. Second operand 20 states. [2020-09-04 21:15:15,345 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:15:15,765 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:15:16,087 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:15:16,404 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:16,717 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:15:17,033 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:18,255 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:15:18,572 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:15:20,303 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:15:20,691 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:15:21,064 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:15:21,631 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:15:22,744 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:15:23,081 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:15:24,214 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:15:24,552 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:15:24,859 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:15:27,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:15:27,585 INFO L93 Difference]: Finished difference Result 8388 states and 9772 transitions. [2020-09-04 21:15:27,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-09-04 21:15:27,586 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 586 [2020-09-04 21:15:27,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:15:27,612 INFO L225 Difference]: With dead ends: 8388 [2020-09-04 21:15:27,612 INFO L226 Difference]: Without dead ends: 4653 [2020-09-04 21:15:27,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 854 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=676, Invalid=2746, Unknown=0, NotChecked=0, Total=3422 [2020-09-04 21:15:27,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4653 states. [2020-09-04 21:15:28,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4653 to 4053. [2020-09-04 21:15:28,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4053 states. [2020-09-04 21:15:28,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4053 states to 4053 states and 4560 transitions. [2020-09-04 21:15:28,980 INFO L78 Accepts]: Start accepts. Automaton has 4053 states and 4560 transitions. Word has length 586 [2020-09-04 21:15:28,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:15:28,981 INFO L479 AbstractCegarLoop]: Abstraction has 4053 states and 4560 transitions. [2020-09-04 21:15:28,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-09-04 21:15:28,981 INFO L276 IsEmpty]: Start isEmpty. Operand 4053 states and 4560 transitions. [2020-09-04 21:15:28,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2020-09-04 21:15:28,994 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:15:28,995 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 21:15:28,995 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 21:15:28,995 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:15:28,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:15:28,996 INFO L82 PathProgramCache]: Analyzing trace with hash 488577479, now seen corresponding path program 1 times [2020-09-04 21:15:28,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:15:28,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2011842492] [2020-09-04 21:15:28,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:15:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,407 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:15:29,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:15:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:15:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:15:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:15:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:15:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:15:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:15:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:15:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:15:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:15:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:15:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:15:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:15:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 21:15:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:15:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:15:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:15:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:15:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-09-04 21:15:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-09-04 21:15:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:15:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:15:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:15:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-09-04 21:15:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-09-04 21:15:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-09-04 21:15:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:29,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-09-04 21:15:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:15:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:15:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-09-04 21:15:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-09-04 21:15:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:30,046 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 123 proven. 11 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2020-09-04 21:15:30,046 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2011842492] [2020-09-04 21:15:30,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:15:30,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-04 21:15:30,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071644771] [2020-09-04 21:15:30,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 21:15:30,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:15:30,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 21:15:30,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:15:30,049 INFO L87 Difference]: Start difference. First operand 4053 states and 4560 transitions. Second operand 17 states. [2020-09-04 21:15:30,680 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:15:31,911 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:15:34,614 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:35,037 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:15:35,451 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:35,833 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:15:36,163 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:15:36,502 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:15:36,820 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:37,159 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:15:37,496 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:15:37,887 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:15:38,223 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:15:38,569 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:15:40,957 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:41,613 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 21:15:42,224 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 21:15:42,574 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:15:42,944 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:15:43,372 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:15:46,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:15:46,648 INFO L93 Difference]: Finished difference Result 12550 states and 14704 transitions. [2020-09-04 21:15:46,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-09-04 21:15:46,649 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 532 [2020-09-04 21:15:46,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:15:46,699 INFO L225 Difference]: With dead ends: 12550 [2020-09-04 21:15:46,699 INFO L226 Difference]: Without dead ends: 8625 [2020-09-04 21:15:46,713 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 132 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1207 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=843, Invalid=3447, Unknown=0, NotChecked=0, Total=4290 [2020-09-04 21:15:46,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8625 states. [2020-09-04 21:15:49,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8625 to 7511. [2020-09-04 21:15:49,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7511 states. [2020-09-04 21:15:49,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7511 states to 7511 states and 8356 transitions. [2020-09-04 21:15:49,271 INFO L78 Accepts]: Start accepts. Automaton has 7511 states and 8356 transitions. Word has length 532 [2020-09-04 21:15:49,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:15:49,272 INFO L479 AbstractCegarLoop]: Abstraction has 7511 states and 8356 transitions. [2020-09-04 21:15:49,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 21:15:49,272 INFO L276 IsEmpty]: Start isEmpty. Operand 7511 states and 8356 transitions. [2020-09-04 21:15:49,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2020-09-04 21:15:49,297 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:15:49,298 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:15:49,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 21:15:49,298 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:15:49,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:15:49,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1491418747, now seen corresponding path program 1 times [2020-09-04 21:15:49,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:15:49,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [868954710] [2020-09-04 21:15:49,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:15:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:49,731 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:15:49,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:49,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:15:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:49,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:15:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:49,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:15:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:49,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:15:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:49,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:15:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:49,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:15:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:49,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:15:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:49,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 21:15:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:49,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 21:15:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:49,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:49,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:49,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:15:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:15:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:15:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:15:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 21:15:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-09-04 21:15:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:15:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:15:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:15:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:15:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 21:15:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 21:15:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:15:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:15:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:15:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-09-04 21:15:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2020-09-04 21:15:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-09-04 21:15:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:50,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:15:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:15:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-09-04 21:15:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2020-09-04 21:15:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:50,622 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 90 proven. 50 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2020-09-04 21:15:50,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [868954710] [2020-09-04 21:15:50,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:15:50,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-04 21:15:50,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633419173] [2020-09-04 21:15:50,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-04 21:15:50,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:15:50,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-04 21:15:50,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-09-04 21:15:50,625 INFO L87 Difference]: Start difference. First operand 7511 states and 8356 transitions. Second operand 23 states. [2020-09-04 21:15:51,332 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:15:51,777 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:15:52,106 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:15:52,436 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:52,763 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:15:53,072 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:54,249 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:15:57,661 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:58,056 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:15:58,480 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:58,908 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:59,227 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:15:59,572 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:15:59,900 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:16:00,260 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:16:00,612 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:16:01,027 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:16:01,373 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:16:01,742 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:16:02,406 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:16:03,179 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:16:03,809 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:16:11,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:16:11,805 INFO L93 Difference]: Finished difference Result 16157 states and 18787 transitions. [2020-09-04 21:16:11,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-09-04 21:16:11,806 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 533 [2020-09-04 21:16:11,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:16:11,845 INFO L225 Difference]: With dead ends: 16157 [2020-09-04 21:16:11,845 INFO L226 Difference]: Without dead ends: 9342 [2020-09-04 21:16:11,864 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 140 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2150 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=1297, Invalid=5843, Unknown=0, NotChecked=0, Total=7140 [2020-09-04 21:16:11,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9342 states. [2020-09-04 21:16:14,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9342 to 7153. [2020-09-04 21:16:14,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7153 states. [2020-09-04 21:16:14,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7153 states to 7153 states and 7913 transitions. [2020-09-04 21:16:14,206 INFO L78 Accepts]: Start accepts. Automaton has 7153 states and 7913 transitions. Word has length 533 [2020-09-04 21:16:14,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:16:14,207 INFO L479 AbstractCegarLoop]: Abstraction has 7153 states and 7913 transitions. [2020-09-04 21:16:14,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-04 21:16:14,207 INFO L276 IsEmpty]: Start isEmpty. Operand 7153 states and 7913 transitions. [2020-09-04 21:16:14,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2020-09-04 21:16:14,225 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:16:14,226 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:16:14,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 21:16:14,226 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:16:14,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:16:14,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1377497295, now seen corresponding path program 1 times [2020-09-04 21:16:14,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:16:14,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [274228503] [2020-09-04 21:16:14,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:16:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,636 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:16:14,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:16:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:16:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:16:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:16:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:16:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:16:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:16:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:16:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:16:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:16:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:16:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:16:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:16:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 21:16:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-09-04 21:16:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:16:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:14,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:16:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:16:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:16:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 21:16:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 21:16:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:16:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:16:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:16:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2020-09-04 21:16:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2020-09-04 21:16:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2020-09-04 21:16:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-09-04 21:16:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:16:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:16:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2020-09-04 21:16:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2020-09-04 21:16:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:15,422 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 127 proven. 31 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2020-09-04 21:16:15,422 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [274228503] [2020-09-04 21:16:15,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:16:15,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-04 21:16:15,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532674980] [2020-09-04 21:16:15,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-04 21:16:15,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:16:15,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-04 21:16:15,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-09-04 21:16:15,424 INFO L87 Difference]: Start difference. First operand 7153 states and 7913 transitions. Second operand 23 states. [2020-09-04 21:16:16,130 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:16:16,587 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:16:16,916 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:16:17,245 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:16:17,569 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:16:17,879 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:16:19,075 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:16:22,889 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:16:23,386 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:16:23,942 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:16:24,493 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:16:24,933 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:16:25,372 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:16:25,778 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:16:26,229 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:16:26,675 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:16:27,201 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:16:27,659 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:16:28,061 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:16:31,680 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:16:32,358 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:16:33,000 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:16:38,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:16:38,336 INFO L93 Difference]: Finished difference Result 15245 states and 17642 transitions. [2020-09-04 21:16:38,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-09-04 21:16:38,337 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 538 [2020-09-04 21:16:38,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:16:38,365 INFO L225 Difference]: With dead ends: 15245 [2020-09-04 21:16:38,365 INFO L226 Difference]: Without dead ends: 8788 [2020-09-04 21:16:38,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 146 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2175 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=1316, Invalid=5994, Unknown=0, NotChecked=0, Total=7310 [2020-09-04 21:16:38,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8788 states. [2020-09-04 21:16:40,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8788 to 6653. [2020-09-04 21:16:40,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6653 states. [2020-09-04 21:16:40,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6653 states to 6653 states and 7353 transitions. [2020-09-04 21:16:40,590 INFO L78 Accepts]: Start accepts. Automaton has 6653 states and 7353 transitions. Word has length 538 [2020-09-04 21:16:40,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:16:40,591 INFO L479 AbstractCegarLoop]: Abstraction has 6653 states and 7353 transitions. [2020-09-04 21:16:40,591 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-04 21:16:40,591 INFO L276 IsEmpty]: Start isEmpty. Operand 6653 states and 7353 transitions. [2020-09-04 21:16:40,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2020-09-04 21:16:40,610 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:16:40,610 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 21:16:40,611 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-04 21:16:40,611 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:16:40,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:16:40,611 INFO L82 PathProgramCache]: Analyzing trace with hash -2122714063, now seen corresponding path program 1 times [2020-09-04 21:16:40,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:16:40,612 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1028073845] [2020-09-04 21:16:40,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:16:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,011 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:16:41,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:16:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:16:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:16:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:16:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:16:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:16:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:16:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:16:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:16:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:16:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:16:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:16:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:16:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 21:16:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:16:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:16:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:16:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:16:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-09-04 21:16:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 21:16:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 21:16:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:16:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:16:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:16:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2020-09-04 21:16:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-09-04 21:16:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2020-09-04 21:16:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-09-04 21:16:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2020-09-04 21:16:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:16:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:16:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-09-04 21:16:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2020-09-04 21:16:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:41,847 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 145 proven. 37 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2020-09-04 21:16:41,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1028073845] [2020-09-04 21:16:41,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:16:41,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-04 21:16:41,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162778647] [2020-09-04 21:16:41,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 21:16:41,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:16:41,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 21:16:41,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-09-04 21:16:41,850 INFO L87 Difference]: Start difference. First operand 6653 states and 7353 transitions. Second operand 19 states. [2020-09-04 21:16:42,537 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:16:44,764 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:16:45,123 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:16:45,774 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:16:46,121 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:16:46,734 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:16:47,069 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:16:47,674 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:16:48,058 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:16:48,438 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:16:48,771 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:16:49,110 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:16:51,552 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:16:51,922 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:17:01,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:17:01,720 INFO L93 Difference]: Finished difference Result 15482 states and 18272 transitions. [2020-09-04 21:17:01,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2020-09-04 21:17:01,720 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 542 [2020-09-04 21:17:01,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:17:01,757 INFO L225 Difference]: With dead ends: 15482 [2020-09-04 21:17:01,757 INFO L226 Difference]: Without dead ends: 11501 [2020-09-04 21:17:01,773 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 163 SyntacticMatches, 6 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2239 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=1214, Invalid=5758, Unknown=0, NotChecked=0, Total=6972 [2020-09-04 21:17:01,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11501 states. [2020-09-04 21:17:04,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11501 to 8115. [2020-09-04 21:17:04,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8115 states. [2020-09-04 21:17:04,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8115 states to 8115 states and 8947 transitions. [2020-09-04 21:17:04,566 INFO L78 Accepts]: Start accepts. Automaton has 8115 states and 8947 transitions. Word has length 542 [2020-09-04 21:17:04,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:17:04,566 INFO L479 AbstractCegarLoop]: Abstraction has 8115 states and 8947 transitions. [2020-09-04 21:17:04,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 21:17:04,567 INFO L276 IsEmpty]: Start isEmpty. Operand 8115 states and 8947 transitions. [2020-09-04 21:17:04,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2020-09-04 21:17:04,580 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:17:04,580 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:17:04,581 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-04 21:17:04,581 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:17:04,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:17:04,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1886427033, now seen corresponding path program 1 times [2020-09-04 21:17:04,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:17:04,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [17686120] [2020-09-04 21:17:04,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:17:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,003 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:17:05,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:17:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:17:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:17:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:17:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:17:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:17:05,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:17:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:17:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:17:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:17:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:17:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:17:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:17:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:17:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:17:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:17:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:17:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:17:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:17:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:17:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:17:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:17:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 21:17:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:17:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:17:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:17:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:17:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:17:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:17:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:17:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:17:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:17:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:17:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:17:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-09-04 21:17:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 21:17:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 21:17:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:17:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:17:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:17:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:17:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:17:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:17:05,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:17:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:17:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:17:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:17:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-09-04 21:17:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-09-04 21:17:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-09-04 21:17:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-09-04 21:17:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:17:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2020-09-04 21:17:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:17:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:17:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:17:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:17:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:17:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:17:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:17:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2020-09-04 21:17:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2020-09-04 21:17:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:05,744 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 132 proven. 66 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2020-09-04 21:17:05,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [17686120] [2020-09-04 21:17:05,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:17:05,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-04 21:17:05,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163805092] [2020-09-04 21:17:05,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 21:17:05,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:17:05,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 21:17:05,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2020-09-04 21:17:05,747 INFO L87 Difference]: Start difference. First operand 8115 states and 8947 transitions. Second operand 19 states. [2020-09-04 21:17:06,417 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:17:08,535 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:17:08,898 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:17:09,560 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:17:09,905 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:17:10,553 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-04 21:17:10,891 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:17:11,498 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:17:11,831 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:17:12,188 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:17:12,598 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:17:12,947 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:17:13,284 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:17:14,869 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:17:15,236 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:17:15,972 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-04 21:17:16,706 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 21:17:17,341 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-04 21:17:18,369 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:17:18,742 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:17:23,110 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:17:24,152 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:17:24,499 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:17:25,129 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:17:25,789 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:17:26,401 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:17:36,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:17:36,411 INFO L93 Difference]: Finished difference Result 20541 states and 24464 transitions. [2020-09-04 21:17:36,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2020-09-04 21:17:36,411 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 553 [2020-09-04 21:17:36,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:17:36,456 INFO L225 Difference]: With dead ends: 20541 [2020-09-04 21:17:36,456 INFO L226 Difference]: Without dead ends: 15820 [2020-09-04 21:17:36,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 194 SyntacticMatches, 7 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6177 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=2603, Invalid=13909, Unknown=0, NotChecked=0, Total=16512 [2020-09-04 21:17:36,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15820 states. [2020-09-04 21:17:40,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15820 to 10271. [2020-09-04 21:17:40,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10271 states. [2020-09-04 21:17:40,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10271 states to 10271 states and 11303 transitions. [2020-09-04 21:17:40,393 INFO L78 Accepts]: Start accepts. Automaton has 10271 states and 11303 transitions. Word has length 553 [2020-09-04 21:17:40,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:17:40,393 INFO L479 AbstractCegarLoop]: Abstraction has 10271 states and 11303 transitions. [2020-09-04 21:17:40,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 21:17:40,393 INFO L276 IsEmpty]: Start isEmpty. Operand 10271 states and 11303 transitions. [2020-09-04 21:17:40,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 623 [2020-09-04 21:17:40,413 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:17:40,414 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:17:40,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-04 21:17:40,414 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:17:40,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:17:40,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1869648953, now seen corresponding path program 1 times [2020-09-04 21:17:40,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:17:40,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201995389] [2020-09-04 21:17:40,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:17:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:40,908 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:17:40,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:17:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:40,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:17:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:40,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:17:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:40,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:17:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:40,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:17:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:40,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:17:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:40,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:17:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:40,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:17:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:17:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:17:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:17:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:17:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:17:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:17:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:17:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:17:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:17:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:17:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:17:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:17:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:17:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:17:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 21:17:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:17:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:17:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:17:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:17:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:17:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:17:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:17:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:17:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:17:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:17:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:17:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-09-04 21:17:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-09-04 21:17:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:17:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:17:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:17:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:17:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:17:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:17:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:17:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:17:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:17:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:17:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:17:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-09-04 21:17:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-09-04 21:17:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:17:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2020-09-04 21:17:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:17:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:17:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:17:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:17:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:17:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-09-04 21:17:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2020-09-04 21:17:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2020-09-04 21:17:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:17:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2020-09-04 21:17:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:17:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:17:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:17:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:17:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:17:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:17:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:17:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2020-09-04 21:17:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:41,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2020-09-04 21:17:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:17:42,982 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 161 proven. 130 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2020-09-04 21:17:42,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1201995389] [2020-09-04 21:17:42,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:17:42,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-09-04 21:17:42,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435174015] [2020-09-04 21:17:42,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-09-04 21:17:42,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:17:42,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-09-04 21:17:42,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=577, Unknown=0, NotChecked=0, Total=650 [2020-09-04 21:17:42,985 INFO L87 Difference]: Start difference. First operand 10271 states and 11303 transitions. Second operand 26 states. [2020-09-04 21:17:43,953 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-04 21:17:45,400 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-04 21:17:47,266 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 21:17:47,970 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-04 21:17:48,688 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-09-04 21:17:49,356 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 21:17:50,031 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 193 [2020-09-04 21:17:50,696 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-04 21:17:51,346 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-09-04 21:17:52,028 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:17:52,705 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-04 21:17:53,339 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:17:57,947 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-04 21:17:59,188 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 21:17:59,857 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-04 21:18:00,512 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-09-04 21:18:01,187 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 193 [2020-09-04 21:18:01,821 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-09-04 21:18:07,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:18:07,531 INFO L93 Difference]: Finished difference Result 19259 states and 21919 transitions. [2020-09-04 21:18:07,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-09-04 21:18:07,532 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 622 [2020-09-04 21:18:07,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:18:07,537 INFO L225 Difference]: With dead ends: 19259 [2020-09-04 21:18:07,537 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 21:18:07,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 157 SyntacticMatches, 11 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1939 ImplicationChecksByTransitivity, 13.3s TimeCoverageRelationStatistics Valid=1065, Invalid=5577, Unknown=0, NotChecked=0, Total=6642 [2020-09-04 21:18:07,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 21:18:07,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 21:18:07,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 21:18:07,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 21:18:07,574 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 622 [2020-09-04 21:18:07,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:18:07,574 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 21:18:07,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-09-04 21:18:07,574 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 21:18:07,574 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 21:18:07,575 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-04 21:18:07,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 21:18:08,061 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:18:08,447 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:18:08,819 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:18:09,187 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:18:09,573 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:18:09,960 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:18:11,371 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 251 DAG size of output: 242 [2020-09-04 21:18:11,746 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:18:12,122 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:18:12,507 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:18:13,279 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:18:13,660 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:18:14,048 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:18:14,435 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:18:14,806 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:18:15,179 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:18:15,557 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:18:15,924 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:18:16,309 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:18:16,676 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:18:17,064 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:18:17,434 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:18:17,816 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:18:18,190 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:18:18,575 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:18:18,952 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:18:19,344 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:18:20,103 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:18:20,463 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:18:20,843 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:18:21,220 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:18:21,600 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:18:21,988 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:18:22,383 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:18:22,781 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:18:23,165 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:18:23,556 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:18:23,936 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:18:24,658 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 21:18:25,024 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:18:25,411 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:18:25,786 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:18:26,156 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:18:26,522 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:18:26,898 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:18:27,285 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:18:28,049 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:18:28,424 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:18:28,808 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:18:29,192 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:18:29,574 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:18:29,955 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:18:30,337 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:18:30,697 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:18:31,071 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:18:31,445 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:18:31,804 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:18:32,187 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:18:32,574 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:18:32,965 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:18:33,445 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:18:33,830 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:18:34,199 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:18:34,565 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:18:34,942 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:18:35,322 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:18:35,702 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:18:36,858 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-09-04 21:18:38,363 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 257 DAG size of output: 249 [2020-09-04 21:18:38,740 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:18:39,109 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:18:40,630 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 250 DAG size of output: 239 [2020-09-04 21:18:41,010 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:18:41,396 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:18:41,761 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:18:42,125 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:18:42,500 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:18:42,874 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:18:44,571 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2020-09-04 21:18:44,934 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:18:45,310 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:18:46,661 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 255 DAG size of output: 248 [2020-09-04 21:18:47,034 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:18:47,404 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:18:47,774 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:18:48,154 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:18:48,530 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:18:48,895 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:18:49,270 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:18:51,402 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 251 DAG size of output: 247 [2020-09-04 21:18:52,443 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:18:53,616 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 242 DAG size of output: 232 [2020-09-04 21:18:54,012 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:18:54,388 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:18:54,753 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:18:56,288 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 257 DAG size of output: 250 [2020-09-04 21:18:56,678 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:18:57,047 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:18:57,425 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:18:58,204 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:18:58,577 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:18:58,943 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:18:59,308 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:18:59,695 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:19:00,059 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:19:01,114 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:19:01,498 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:19:01,875 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:02,240 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:19:02,607 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:19:02,994 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:19:03,756 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:19:04,143 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:19:04,531 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:19:04,913 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:19:05,670 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:19:06,037 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:19:06,806 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:19:07,180 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:19:07,550 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:07,924 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:19:08,303 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:19:08,672 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:19:09,050 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:09,422 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:19:09,793 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:19:10,155 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:19:10,519 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:19:11,275 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:19:11,662 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:19:12,039 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:19:13,572 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 257 DAG size of output: 248 [2020-09-04 21:19:13,938 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:19:14,322 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:19:14,695 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:19:15,071 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:19:15,449 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:19:16,018 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 21:19:16,394 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:16,760 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:19:17,140 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:19:17,505 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:19:17,872 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:19:19,367 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 259 DAG size of output: 247 [2020-09-04 21:19:19,752 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:19:20,110 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:19:20,488 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:20,858 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:19:21,230 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:19:21,593 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:19:21,984 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:19:22,364 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:22,734 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:19:23,107 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:19:23,472 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:19:23,850 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:24,229 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:24,622 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:19:25,004 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:19:25,374 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:19:25,769 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:19:26,128 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:19:27,298 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 21:19:27,669 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:28,038 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:19:29,227 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 242 DAG size of output: 233 [2020-09-04 21:19:30,289 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 21:19:30,675 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:19:31,109 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:19:31,503 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:19:31,883 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:19:32,247 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:19:32,635 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:19:33,000 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:19:34,078 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 243 DAG size of output: 234 [2020-09-04 21:19:34,471 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:19:34,863 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:19:35,221 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:19:35,601 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:19:35,977 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:36,742 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:19:37,500 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:19:38,262 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:19:39,927 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 251 DAG size of output: 242 [2020-09-04 21:19:41,478 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 252 DAG size of output: 243 [2020-09-04 21:19:41,843 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:19:42,202 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:19:42,568 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:19:42,966 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:19:43,353 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:19:43,733 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:19:44,097 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:19:44,467 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:19:44,825 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:19:45,585 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:19:45,972 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:19:46,745 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:19:47,121 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:19:47,480 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:19:47,838 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:19:48,225 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:19:48,591 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:19:48,972 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:19:49,352 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:19:49,737 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:19:50,117 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:19:50,504 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:19:50,870 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:19:51,237 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:19:51,625 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:19:52,003 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:52,384 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:19:52,761 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:53,130 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:19:53,490 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:19:54,323 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:19:54,695 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:19:55,431 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:19:55,803 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:19:56,166 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:19:57,120 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:19:57,490 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:19:59,516 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 250 DAG size of output: 247 [2020-09-04 21:19:59,897 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:20:00,661 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:20:01,041 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:20:01,418 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:20:01,813 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:20:02,205 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:20:02,581 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:20:02,958 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:20:03,342 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:20:03,733 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:20:04,092 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:20:04,451 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:20:04,841 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:20:05,217 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:20:05,601 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:20:05,977 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:20:06,343 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:20:06,709 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:20:07,068 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:20:07,409 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:20:07,768 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:20:08,111 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:20:08,478 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:20:08,822 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:20:09,167 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:20:09,519 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:20:09,875 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:20:10,240 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:20:10,580 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 223 [2020-09-04 21:20:10,939 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:20:11,286 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:20:11,636 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:20:11,984 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:20:12,336 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:20:12,687 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:20:13,046 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:20:13,405 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:20:13,756 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:20:14,097 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:20:14,452 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:20:14,809 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:20:15,171 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:20:15,530 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:20:15,872 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:20:16,213 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:20:16,740 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:20:17,294 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 21:20:17,650 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:20:18,084 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:20:18,684 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:20:19,679 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-09-04 21:20:20,036 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:20:20,385 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:20:20,741 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:20:21,172 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:20:21,895 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:20:22,728 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-09-04 21:20:23,079 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:20:23,430 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:20:24,230 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 21:20:24,575 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:20:25,580 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-09-04 21:20:26,439 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 21:20:26,779 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:20:27,134 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:20:27,492 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:20:27,848 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:20:28,197 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:20:28,649 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:20:28,991 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:20:29,347 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:20:29,695 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:20:30,210 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:20:31,117 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:20:31,465 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:20:31,815 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:20:32,405 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:20:32,756 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:20:33,104 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:20:33,456 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:20:33,822 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:20:34,187 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:20:34,531 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:20:34,875 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:20:35,224 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:20:36,339 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 245 DAG size of output: 233 [2020-09-04 21:20:36,692 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:20:37,051 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:20:37,409 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:20:37,768 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:20:38,116 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:20:38,457 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:20:38,798 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 224 [2020-09-04 21:20:39,158 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:20:39,503 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:20:54,461 WARN L193 SmtUtils]: Spent 14.95 s on a formula simplification. DAG size of input: 1288 DAG size of output: 762 [2020-09-04 21:20:54,806 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:20:55,147 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:20:55,533 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 21:20:55,919 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:20:56,318 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 21:20:56,708 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 21:20:57,098 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:20:57,441 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:20:57,831 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:20:58,230 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:20:58,618 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:20:58,999 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 21:20:59,394 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:20:59,770 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:21:00,147 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 21:21:00,524 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 21:21:00,922 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:21:01,318 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:21:01,708 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:21:02,094 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 234 [2020-09-04 21:21:02,483 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:21:02,869 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 237 [2020-09-04 21:21:03,261 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 236 [2020-09-04 21:21:03,641 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:21:04,022 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 21:21:04,419 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 237 [2020-09-04 21:21:04,803 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 236 [2020-09-04 21:21:05,185 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 21:21:05,584 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 21:21:05,983 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 21:21:06,386 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:21:06,779 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 21:21:07,160 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 234 [2020-09-04 21:21:07,561 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:21:07,940 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:21:08,312 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:21:08,702 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 236 [2020-09-04 21:21:09,086 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 236 [2020-09-04 21:21:09,460 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:21:09,851 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:21:10,250 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 21:21:10,631 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:21:11,008 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:21:11,396 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:21:11,794 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:21:12,173 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 21:21:12,560 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:21:12,959 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 21:21:13,347 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:21:13,742 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 21:21:14,122 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:21:14,511 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:21:14,888 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 21:21:15,279 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:21:15,653 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:21:16,035 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 21:21:16,426 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:21:16,816 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 237 [2020-09-04 21:21:17,188 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:21:17,570 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:21:17,970 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 21:21:18,351 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:21:18,739 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:21:19,112 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 231 [2020-09-04 21:21:19,494 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:21:19,893 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 21:21:20,283 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:21:20,670 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:21:21,050 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:21:21,431 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:21:21,810 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 21:21:22,209 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 236 [2020-09-04 21:21:22,581 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:21:22,978 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 236 [2020-09-04 21:21:23,360 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:21:23,724 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:21:24,086 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:21:24,455 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:21:24,818 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:21:25,188 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:21:25,553 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:21:25,962 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:21:26,331 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:21:26,694 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:21:27,057 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:21:28,082 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:21:28,447 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:21:28,803 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:21:29,167 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:21:29,537 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:21:30,411 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:21:30,767 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:21:31,131 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:21:31,494 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:21:31,872 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:21:32,241 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:21:32,612 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:21:32,981 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:21:33,351 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:21:33,713 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:21:34,076 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:21:34,447 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:21:34,816 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:21:35,172 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:21:35,541 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:21:35,896 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 226 [2020-09-04 21:21:36,265 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:21:37,158 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:21:37,536 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:21:38,449 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:21:38,819 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:21:39,190 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:21:39,560 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:21:39,922 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:21:40,298 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:21:40,663 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:21:41,018 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 226 [2020-09-04 21:21:41,898 WARN L193 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:21:42,270 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:21:43,162 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:21:44,126 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:21:45,130 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:21:45,500 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:21:45,870 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:21:46,242 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:21:46,599 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:21:46,957 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:21:47,332 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:21:47,687 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 226 [2020-09-04 21:21:48,570 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:21:48,949 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:21:49,841 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:21:50,929 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:21:52,072 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:21:52,450 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:21:52,827 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:21:53,206 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:21:53,565 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:21:53,921 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:21:55,833 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 273 DAG size of output: 265 [2020-09-04 21:21:56,242 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:21:56,651 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:21:57,060 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:21:57,470 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:21:57,871 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:21:58,280 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:21:58,683 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:21:59,085 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:22:00,120 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 21:22:01,135 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:22:01,551 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:22:01,953 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:22:02,355 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:22:03,368 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 21:22:03,778 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:22:04,789 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:22:07,155 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 270 DAG size of output: 262 [2020-09-04 21:22:07,561 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:22:07,972 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:22:08,374 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:22:09,365 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:22:09,768 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:22:10,178 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:22:11,168 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:22:11,578 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:22:11,987 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:22:12,402 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:22:12,820 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:22:13,237 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:22:13,641 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:22:14,050 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:22:15,040 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:22:16,032 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:22:18,270 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 271 DAG size of output: 263 [2020-09-04 21:22:20,654 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 272 DAG size of output: 264 [2020-09-04 21:22:21,066 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:22:21,495 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:22:21,908 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:22:22,315 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:22:22,734 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 21:22:28,209 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:22:28,569 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:22:28,924 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:22:29,279 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:22:29,638 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:22:30,002 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:22:30,368 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:22:30,738 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:22:31,082 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:22:31,433 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:22:31,781 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:22:32,139 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:22:32,491 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:22:32,842 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:22:33,189 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:22:33,551 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:22:54,060 WARN L193 SmtUtils]: Spent 20.51 s on a formula simplification. DAG size of input: 1271 DAG size of output: 846 [2020-09-04 21:22:55,271 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 273 DAG size of output: 253 [2020-09-04 21:22:55,910 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 21:22:56,550 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 21:22:57,193 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 21:22:57,869 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 21:22:58,502 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 21:22:59,144 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 240 [2020-09-04 21:22:59,806 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-09-04 21:23:00,468 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-09-04 21:23:00,981 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:23:01,460 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:23:01,932 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:23:02,446 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:23:02,966 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:23:03,493 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:23:04,153 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 243 [2020-09-04 21:23:04,848 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 243 [2020-09-04 21:23:05,325 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:23:05,956 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 21:23:06,587 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 21:23:07,251 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-09-04 21:23:07,914 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 243 [2020-09-04 21:23:08,589 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 21:23:09,283 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 243 [2020-09-04 21:23:10,430 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 282 DAG size of output: 259 [2020-09-04 21:23:11,061 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 21:23:11,736 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 21:23:12,364 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 21:23:12,980 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 245 [2020-09-04 21:23:13,645 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-09-04 21:23:14,320 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 21:23:14,949 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 244 [2020-09-04 21:23:15,409 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:23:16,053 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 21:23:16,553 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:23:17,226 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 21:23:17,905 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 240 [2020-09-04 21:23:18,562 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 242 [2020-09-04 21:23:19,069 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:23:19,710 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 21:23:20,371 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-09-04 21:23:21,045 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 21:23:21,669 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 244 [2020-09-04 21:23:22,127 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:23:22,737 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 245 [2020-09-04 21:23:24,199 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 283 DAG size of output: 260 [2020-09-04 21:23:25,580 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 272 DAG size of output: 252 [2020-09-04 21:23:26,223 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 21:23:26,735 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:23:27,202 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:23:27,890 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 242 [2020-09-04 21:23:28,357 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:23:28,986 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 21:23:29,491 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:23:30,158 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-09-04 21:23:30,638 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:23:31,847 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 273 DAG size of output: 253 [2020-09-04 21:23:32,487 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 21:23:33,126 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 21:23:33,768 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 21:23:34,446 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 21:23:35,079 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 21:23:35,722 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 240 [2020-09-04 21:23:36,384 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-09-04 21:23:37,045 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-09-04 21:23:37,557 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:23:38,037 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:23:38,508 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:23:39,021 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:23:39,542 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:23:40,113 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:23:40,772 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 243 [2020-09-04 21:23:41,467 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 243 [2020-09-04 21:23:41,945 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:23:42,607 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 21:23:43,244 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 21:23:43,905 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-09-04 21:23:44,574 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 243 [2020-09-04 21:23:45,252 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 21:23:45,944 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 243 [2020-09-04 21:23:47,089 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 282 DAG size of output: 259 [2020-09-04 21:23:47,721 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 21:23:48,397 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 21:23:49,026 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 21:23:49,644 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 245 [2020-09-04 21:23:50,309 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-09-04 21:23:50,982 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 21:23:51,611 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 244 [2020-09-04 21:23:52,071 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:23:52,714 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 21:23:53,214 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:23:53,887 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 21:23:54,569 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 240 [2020-09-04 21:23:55,226 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 242 [2020-09-04 21:23:55,731 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:23:56,373 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 21:23:57,035 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-09-04 21:23:57,710 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 21:23:58,334 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 244 [2020-09-04 21:23:58,794 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:23:59,404 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 245 [2020-09-04 21:24:00,865 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 283 DAG size of output: 260 [2020-09-04 21:24:02,247 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 272 DAG size of output: 252 [2020-09-04 21:24:02,890 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 21:24:03,403 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:24:03,890 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:24:04,594 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 242 [2020-09-04 21:24:05,063 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:24:05,692 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 21:24:06,195 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:24:06,864 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-09-04 21:24:07,344 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:24:29,875 WARN L193 SmtUtils]: Spent 22.52 s on a formula simplification. DAG size of input: 1248 DAG size of output: 835 [2020-09-04 21:24:30,909 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 229 [2020-09-04 21:24:31,268 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:24:31,605 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 221 [2020-09-04 21:24:31,946 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:24:32,297 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:24:32,657 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:24:33,020 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:24:33,355 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:24:33,718 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:24:34,070 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:24:34,418 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:24:34,771 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:24:35,130 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:24:35,481 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:24:35,835 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:24:36,201 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:24:36,559 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:24:36,915 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:24:37,270 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 226 [2020-09-04 21:24:37,628 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:24:37,964 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:24:38,321 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:24:38,664 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:24:39,416 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:24:39,771 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:24:40,119 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 224 [2020-09-04 21:24:40,473 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:24:40,825 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:24:41,171 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:24:41,506 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 222 [2020-09-04 21:24:41,867 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:24:42,226 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:24:42,576 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:24:43,451 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:24:43,808 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:24:44,149 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:24:44,493 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:24:44,837 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:24:45,188 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:24:45,539 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:24:45,888 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:24:46,236 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:24:46,598 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:24:46,946 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:24:47,311 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:24:47,677 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:24:48,029 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:24:48,385 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:24:48,744 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:24:49,095 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:24:49,446 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:24:49,798 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:24:50,162 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:24:50,497 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:24:50,847 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:24:51,194 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:24:51,550 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:24:51,904 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:24:52,267 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:24:52,633 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:24:52,981 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:24:53,332 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:24:53,683 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:24:54,024 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:24:54,364 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:24:54,756 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:24:55,114 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:24:55,469 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:24:55,809 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:24:56,684 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:24:57,032 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:24:57,384 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:24:57,740 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:24:58,095 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:24:58,459 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:24:58,806 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:24:59,151 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:24:59,493 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 222 [2020-09-04 21:24:59,835 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 223 [2020-09-04 21:25:00,198 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:25:00,542 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:25:00,877 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:25:01,240 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:25:01,592 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:25:02,484 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:25:03,400 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:25:03,753 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:25:04,108 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:25:04,457 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:25:04,815 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:25:05,802 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 226 [2020-09-04 21:25:06,151 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:25:06,508 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:25:07,557 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:25:07,908 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:25:08,263 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:25:08,605 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:25:08,960 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:25:09,305 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:25:09,653 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:25:33,844 WARN L193 SmtUtils]: Spent 24.18 s on a formula simplification. DAG size of input: 1462 DAG size of output: 933 [2020-09-04 21:25:34,189 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:25:34,556 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:25:34,905 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:25:35,247 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 222 [2020-09-04 21:25:35,584 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:25:35,940 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:25:36,292 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:25:38,061 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 248 DAG size of output: 244 [2020-09-04 21:25:38,406 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:25:38,754 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 224 [2020-09-04 21:25:39,110 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:25:39,602 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:25:39,954 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:25:40,313 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:25:40,671 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:25:41,014 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:25:41,358 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:25:41,708 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:25:42,060 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:25:42,418 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:25:42,770 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:25:43,127 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:25:43,469 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:25:43,820 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:25:44,165 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:25:44,521 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:25:44,869 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:25:45,232 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:25:45,799 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 224 [2020-09-04 21:25:46,144 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:25:46,494 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:25:46,854 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:25:47,205 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:25:47,570 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:25:47,930 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:25:48,291 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:25:48,647 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:25:49,011 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:25:49,372 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:25:49,937 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 230 [2020-09-04 21:25:50,288 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:25:50,647 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:25:51,007 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:25:51,349 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:25:51,701 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:25:52,048 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:25:52,404 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:25:52,978 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:25:53,326 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:25:53,681 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:25:54,037 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:25:54,392 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:25:54,744 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:25:55,097 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:25:55,442 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:25:55,800 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:25:56,159 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:25:56,503 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:25:56,851 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:25:57,208 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:25:57,574 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:25:57,931 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:25:58,288 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:25:58,630 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:25:58,982 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:25:59,330 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:25:59,681 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:26:00,032 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:26:00,814 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 21:26:01,924 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 21:26:02,272 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:26:02,614 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:26:04,157 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:26:04,509 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:26:04,865 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 226 [2020-09-04 21:26:05,203 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:26:05,541 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:26:05,883 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:26:06,242 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:26:07,506 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 250 DAG size of output: 237 [2020-09-04 21:26:07,843 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 221 [2020-09-04 21:26:08,192 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:26:09,258 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 246 DAG size of output: 226 [2020-09-04 21:26:09,604 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:26:09,945 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:26:10,286 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:26:10,638 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:26:10,986 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:26:11,323 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:26:11,668 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:26:13,502 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2020-09-04 21:26:14,328 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-09-04 21:26:15,157 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 228 [2020-09-04 21:26:15,524 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:26:15,871 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:26:16,223 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:26:17,193 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 230 [2020-09-04 21:26:17,553 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:26:17,894 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:26:18,244 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:26:18,862 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:26:19,207 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:26:19,558 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:26:19,909 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:26:20,266 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:26:20,604 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:26:21,452 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 229 [2020-09-04 21:26:21,807 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:26:22,156 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:26:22,507 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:26:22,859 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:26:23,217 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:26:23,701 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 224 [2020-09-04 21:26:24,059 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:26:24,418 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:26:24,768 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:26:25,332 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 224 [2020-09-04 21:26:25,676 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:26:26,167 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:26:26,524 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:26:26,866 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:26:27,225 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:26:27,575 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:26:27,916 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:26:28,265 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:26:28,609 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:26:28,952 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:26:29,288 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 222 [2020-09-04 21:26:29,626 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:26:30,192 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:26:30,551 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:26:30,899 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:26:32,125 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 248 DAG size of output: 234 [2020-09-04 21:26:32,477 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:26:32,832 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:26:33,176 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:26:33,525 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:26:33,874 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:26:34,279 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 229 [2020-09-04 21:26:34,627 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:26:34,979 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:26:35,344 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:26:35,695 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:26:36,047 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:26:37,143 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 250 DAG size of output: 237 [2020-09-04 21:26:37,500 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:26:37,845 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:26:38,196 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:26:38,538 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:26:38,898 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:26:39,234 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:26:39,595 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:26:39,947 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:26:40,289 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:26:40,631 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:26:40,967 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 221 [2020-09-04 21:26:41,316 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:26:41,666 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:26:42,029 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:26:42,395 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:26:42,737 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:26:43,103 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:26:43,448 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:26:44,263 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 21:26:44,606 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:26:44,959 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:26:45,789 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 229 [2020-09-04 21:26:46,638 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-09-04 21:26:46,995 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:26:47,356 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:26:47,722 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:26:48,073 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:26:48,409 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:26:48,769 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:26:49,120 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:26:49,980 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-09-04 21:26:50,342 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:26:50,706 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:26:51,049 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:26:51,395 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 223 [2020-09-04 21:26:51,743 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:26:52,349 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:26:52,835 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:26:53,320 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-09-04 21:26:54,860 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 248 DAG size of output: 244 [2020-09-04 21:26:56,325 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 249 DAG size of output: 239 [2020-09-04 21:26:56,662 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:26:57,007 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:26:57,359 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:26:57,727 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:26:58,086 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:26:58,437 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:26:58,773 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:26:59,115 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:26:59,460 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:26:59,972 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:27:00,330 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:27:01,042 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 226 [2020-09-04 21:27:01,389 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:27:01,735 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:27:02,079 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:27:02,438 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:27:02,791 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:27:03,143 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:27:03,540 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:27:03,895 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:27:04,247 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:27:04,606 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:27:04,957 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:27:05,311 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:27:05,670 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:27:06,018 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:27:06,371 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:27:06,719 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:27:07,061 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:27:07,407 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226