/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_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 21:25:38,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 21:25:38,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 21:25:38,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 21:25:38,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 21:25:38,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 21:25:38,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 21:25:38,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 21:25:38,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 21:25:38,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 21:25:38,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 21:25:38,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 21:25:38,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 21:25:38,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 21:25:38,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 21:25:38,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 21:25:38,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 21:25:38,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 21:25:38,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 21:25:38,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 21:25:38,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 21:25:38,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 21:25:38,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 21:25:38,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 21:25:38,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 21:25:38,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 21:25:38,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 21:25:38,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 21:25:38,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 21:25:38,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 21:25:38,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 21:25:38,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 21:25:38,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 21:25:38,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 21:25:38,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 21:25:38,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 21:25:38,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 21:25:38,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 21:25:38,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 21:25:38,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 21:25:38,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 21:25:38,912 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 21:25:38,930 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 21:25:38,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 21:25:38,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 21:25:38,933 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 21:25:38,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 21:25:38,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 21:25:38,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 21:25:38,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 21:25:38,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 21:25:38,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 21:25:38,935 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 21:25:38,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 21:25:38,935 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 21:25:38,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 21:25:38,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 21:25:38,936 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 21:25:38,936 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 21:25:38,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 21:25:38,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 21:25:38,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 21:25:38,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 21:25:38,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 21:25:38,938 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 21:25:39,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 21:25:39,377 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 21:25:39,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 21:25:39,383 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 21:25:39,384 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 21:25:39,385 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2020-09-04 21:25:39,464 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/672107483/2b2bcb9061224a52bf420ec20fc51515/FLAG762757d96 [2020-09-04 21:25:40,063 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 21:25:40,064 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2020-09-04 21:25:40,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/672107483/2b2bcb9061224a52bf420ec20fc51515/FLAG762757d96 [2020-09-04 21:25:40,295 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/672107483/2b2bcb9061224a52bf420ec20fc51515 [2020-09-04 21:25:40,306 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 21:25:40,308 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 21:25:40,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 21:25:40,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 21:25:40,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 21:25:40,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:25:40" (1/1) ... [2020-09-04 21:25:40,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:40, skipping insertion in model container [2020-09-04 21:25:40,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:25:40" (1/1) ... [2020-09-04 21:25:40,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 21:25:40,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 21:25:40,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:25:40,858 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 21:25:40,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:25:40,996 INFO L208 MainTranslator]: Completed translation [2020-09-04 21:25:40,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:40 WrapperNode [2020-09-04 21:25:40,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 21:25:40,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 21:25:40,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 21:25:40,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 21:25:41,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:40" (1/1) ... [2020-09-04 21:25:41,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:40" (1/1) ... [2020-09-04 21:25:41,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:40" (1/1) ... [2020-09-04 21:25:41,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:40" (1/1) ... [2020-09-04 21:25:41,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:40" (1/1) ... [2020-09-04 21:25:41,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:40" (1/1) ... [2020-09-04 21:25:41,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:40" (1/1) ... [2020-09-04 21:25:41,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 21:25:41,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 21:25:41,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 21:25:41,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 21:25:41,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:40" (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 21:25:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 21:25:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 21:25:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 21:25:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 21:25:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 21:25:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 21:25:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 21:25:41,193 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-04 21:25:41,193 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 21:25:41,193 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 21:25:41,193 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 21:25:41,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 21:25:41,194 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 21:25:41,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 21:25:41,195 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-04 21:25:41,195 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-04 21:25:41,196 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-04 21:25:41,196 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 21:25:41,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-04 21:25:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-04 21:25:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-04 21:25:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 21:25:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 21:25:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 21:25:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 21:25:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 21:25:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 21:25:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 21:25:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 21:25:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 21:25:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 21:25:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 21:25:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 21:25:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 21:25:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 21:25:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 21:25:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 21:25:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 21:25:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 21:25:41,204 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 21:25:41,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 21:25:41,204 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 21:25:41,204 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 21:25:41,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 21:25:41,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-04 21:25:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 21:25:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 21:25:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 21:25:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 21:25:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 21:25:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 21:25:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 21:25:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-04 21:25:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 21:25:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 21:25:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 21:25:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 21:25:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 21:25:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-04 21:25:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-04 21:25:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-04 21:25:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-04 21:25:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 21:25:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 21:25:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 21:25:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 21:25:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-04 21:25:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-04 21:25:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 21:25:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 21:25:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 21:25:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 21:25:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 21:25:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 21:25:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 21:25:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 21:25:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-04 21:25:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 21:25:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 21:25:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 21:25:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 21:25:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 21:25:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 21:25:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 21:25:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 21:25:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 21:25:41,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 21:25:41,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 21:25:41,214 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 21:25:41,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 21:25:41,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 21:25:41,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 21:25:41,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 21:25:41,215 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 21:25:41,215 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 21:25:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 21:25:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 21:25:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 21:25:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 21:25:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 21:25:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 21:25:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 21:25:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 21:25:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 21:25:42,407 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 21:25:42,408 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 21:25:42,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:25:42 BoogieIcfgContainer [2020-09-04 21:25:42,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 21:25:42,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 21:25:42,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 21:25:42,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 21:25:42,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 09:25:40" (1/3) ... [2020-09-04 21:25:42,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392c6afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:25:42, skipping insertion in model container [2020-09-04 21:25:42,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:40" (2/3) ... [2020-09-04 21:25:42,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392c6afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:25:42, skipping insertion in model container [2020-09-04 21:25:42,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:25:42" (3/3) ... [2020-09-04 21:25:42,425 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product60.cil.c [2020-09-04 21:25:42,437 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 21:25:42,449 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 21:25:42,472 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 21:25:42,501 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 21:25:42,502 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 21:25:42,502 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 21:25:42,502 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 21:25:42,502 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 21:25:42,502 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 21:25:42,503 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 21:25:42,503 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 21:25:42,528 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states. [2020-09-04 21:25:42,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-04 21:25:42,554 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:25:42,555 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 21:25:42,556 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:25:42,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:25:42,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1647532489, now seen corresponding path program 1 times [2020-09-04 21:25:42,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:25:42,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [440571059] [2020-09-04 21:25:42,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:25:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:43,461 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:25:43,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:43,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:25:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:43,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:25:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:43,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:25:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:43,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:25:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:43,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:25:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:43,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 21:25:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:43,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:43,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 21:25:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:43,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 21:25:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:43,702 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 21:25:43,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [440571059] [2020-09-04 21:25:43,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:25:43,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 21:25:43,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480380245] [2020-09-04 21:25:43,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 21:25:43,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:25:43,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 21:25:43,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 21:25:43,734 INFO L87 Difference]: Start difference. First operand 357 states. Second operand 4 states. [2020-09-04 21:25:45,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:25:45,299 INFO L93 Difference]: Finished difference Result 578 states and 674 transitions. [2020-09-04 21:25:45,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 21:25:45,302 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-04 21:25:45,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:25:45,337 INFO L225 Difference]: With dead ends: 578 [2020-09-04 21:25:45,337 INFO L226 Difference]: Without dead ends: 357 [2020-09-04 21:25:45,343 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 21:25:45,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2020-09-04 21:25:45,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 306. [2020-09-04 21:25:45,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-09-04 21:25:45,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 333 transitions. [2020-09-04 21:25:45,503 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 333 transitions. Word has length 160 [2020-09-04 21:25:45,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:25:45,504 INFO L479 AbstractCegarLoop]: Abstraction has 306 states and 333 transitions. [2020-09-04 21:25:45,504 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 21:25:45,504 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 333 transitions. [2020-09-04 21:25:45,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-04 21:25:45,535 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:25:45,535 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 21:25:45,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 21:25:45,536 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:25:45,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:25:45,537 INFO L82 PathProgramCache]: Analyzing trace with hash -620168395, now seen corresponding path program 1 times [2020-09-04 21:25:45,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:25:45,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1362193352] [2020-09-04 21:25:45,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:25:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:45,968 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:25:45,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:46,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:25:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:46,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:25:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:46,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:25:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:46,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:25:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:46,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:25:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:46,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:25:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:46,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:46,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:25:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:46,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:25:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:46,066 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 21:25:46,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1362193352] [2020-09-04 21:25:46,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:25:46,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 21:25:46,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589107174] [2020-09-04 21:25:46,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 21:25:46,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:25:46,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 21:25:46,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 21:25:46,070 INFO L87 Difference]: Start difference. First operand 306 states and 333 transitions. Second operand 5 states. [2020-09-04 21:25:46,749 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:25:48,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:25:48,114 INFO L93 Difference]: Finished difference Result 497 states and 558 transitions. [2020-09-04 21:25:48,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 21:25:48,115 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-04 21:25:48,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:25:48,120 INFO L225 Difference]: With dead ends: 497 [2020-09-04 21:25:48,121 INFO L226 Difference]: Without dead ends: 346 [2020-09-04 21:25:48,123 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 21:25:48,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-09-04 21:25:48,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 296. [2020-09-04 21:25:48,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-04 21:25:48,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 320 transitions. [2020-09-04 21:25:48,197 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 320 transitions. Word has length 161 [2020-09-04 21:25:48,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:25:48,198 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 320 transitions. [2020-09-04 21:25:48,198 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 21:25:48,198 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 320 transitions. [2020-09-04 21:25:48,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-04 21:25:48,201 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:25:48,201 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 21:25:48,201 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 21:25:48,201 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:25:48,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:25:48,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1530155702, now seen corresponding path program 1 times [2020-09-04 21:25:48,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:25:48,202 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2024862770] [2020-09-04 21:25:48,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:25:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:48,678 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:25:48,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:48,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:25:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:48,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:25:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:48,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:25:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:48,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:25:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:48,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:25:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:48,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:25:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:48,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:25:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:48,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:48,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-04 21:25:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:48,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-04 21:25:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:48,879 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 21:25:48,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2024862770] [2020-09-04 21:25:48,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:25:48,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 21:25:48,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485499351] [2020-09-04 21:25:48,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 21:25:48,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:25:48,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 21:25:48,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 21:25:48,883 INFO L87 Difference]: Start difference. First operand 296 states and 320 transitions. Second operand 11 states. [2020-09-04 21:25:49,413 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:25:49,855 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:25:50,177 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:25:50,497 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:25:50,831 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:25:51,131 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:25:52,406 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:25:55,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:25:55,249 INFO L93 Difference]: Finished difference Result 829 states and 957 transitions. [2020-09-04 21:25:55,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 21:25:55,250 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-09-04 21:25:55,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:25:55,257 INFO L225 Difference]: With dead ends: 829 [2020-09-04 21:25:55,258 INFO L226 Difference]: Without dead ends: 648 [2020-09-04 21:25:55,259 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-09-04 21:25:55,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2020-09-04 21:25:55,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 545. [2020-09-04 21:25:55,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2020-09-04 21:25:55,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 609 transitions. [2020-09-04 21:25:55,453 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 609 transitions. Word has length 174 [2020-09-04 21:25:55,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:25:55,454 INFO L479 AbstractCegarLoop]: Abstraction has 545 states and 609 transitions. [2020-09-04 21:25:55,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 21:25:55,454 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 609 transitions. [2020-09-04 21:25:55,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-04 21:25:55,458 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:25:55,458 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 21:25:55,459 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 21:25:55,459 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:25:55,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:25:55,460 INFO L82 PathProgramCache]: Analyzing trace with hash -2058506933, now seen corresponding path program 1 times [2020-09-04 21:25:55,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:25:55,460 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1952935449] [2020-09-04 21:25:55,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:25:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:55,971 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:25:55,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:56,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:25:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:56,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:25:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:56,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:25:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:56,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:25:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:56,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:25:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:56,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-04 21:25:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:56,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 21:25:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:56,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:56,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-04 21:25:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:56,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-04 21:25:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:56,256 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 21:25:56,256 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1952935449] [2020-09-04 21:25:56,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:25:56,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 21:25:56,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413624660] [2020-09-04 21:25:56,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 21:25:56,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:25:56,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 21:25:56,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 21:25:56,260 INFO L87 Difference]: Start difference. First operand 545 states and 609 transitions. Second operand 10 states. [2020-09-04 21:25:56,842 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:25:57,854 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:25:58,181 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:25:59,404 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:25:59,762 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:26:00,078 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:26:00,493 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:26:00,788 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:26:01,139 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:01,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:26:01,998 INFO L93 Difference]: Finished difference Result 1244 states and 1479 transitions. [2020-09-04 21:26:01,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 21:26:01,999 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-04 21:26:02,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:26:02,006 INFO L225 Difference]: With dead ends: 1244 [2020-09-04 21:26:02,006 INFO L226 Difference]: Without dead ends: 814 [2020-09-04 21:26:02,008 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 21:26:02,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2020-09-04 21:26:02,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 721. [2020-09-04 21:26:02,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2020-09-04 21:26:02,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 809 transitions. [2020-09-04 21:26:02,231 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 809 transitions. Word has length 179 [2020-09-04 21:26:02,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:26:02,232 INFO L479 AbstractCegarLoop]: Abstraction has 721 states and 809 transitions. [2020-09-04 21:26:02,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 21:26:02,232 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 809 transitions. [2020-09-04 21:26:02,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-04 21:26:02,236 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:26:02,236 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 21:26:02,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 21:26:02,237 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:26:02,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:26:02,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1993362504, now seen corresponding path program 1 times [2020-09-04 21:26:02,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:26:02,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [179144947] [2020-09-04 21:26:02,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:26:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:02,603 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:26:02,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:02,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:26:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:02,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:26:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:02,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:26:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:02,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:26:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:02,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:26:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:02,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:26:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:02,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:26:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:02,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:02,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:26:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:02,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:02,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:02,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:26:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:02,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:26:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:02,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:26:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:02,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:26:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:02,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:26:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:02,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-04 21:26:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:02,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-04 21:26:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:02,875 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 21:26:02,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [179144947] [2020-09-04 21:26:02,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:26:02,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 21:26:02,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857957173] [2020-09-04 21:26:02,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 21:26:02,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:26:02,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 21:26:02,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 21:26:02,877 INFO L87 Difference]: Start difference. First operand 721 states and 809 transitions. Second operand 11 states. [2020-09-04 21:26:04,482 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:26:04,821 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:26:05,156 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:26:05,476 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:05,799 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:26:06,115 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:07,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:26:07,737 INFO L93 Difference]: Finished difference Result 1539 states and 1856 transitions. [2020-09-04 21:26:07,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 21:26:07,738 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 234 [2020-09-04 21:26:07,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:26:07,747 INFO L225 Difference]: With dead ends: 1539 [2020-09-04 21:26:07,747 INFO L226 Difference]: Without dead ends: 933 [2020-09-04 21:26:07,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-04 21:26:07,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2020-09-04 21:26:08,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 740. [2020-09-04 21:26:08,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2020-09-04 21:26:08,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 829 transitions. [2020-09-04 21:26:08,129 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 829 transitions. Word has length 234 [2020-09-04 21:26:08,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:26:08,130 INFO L479 AbstractCegarLoop]: Abstraction has 740 states and 829 transitions. [2020-09-04 21:26:08,130 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 21:26:08,130 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 829 transitions. [2020-09-04 21:26:08,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-04 21:26:08,136 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:26:08,136 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 21:26:08,136 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 21:26:08,136 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:26:08,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:26:08,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1325616104, now seen corresponding path program 1 times [2020-09-04 21:26:08,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:26:08,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [293868192] [2020-09-04 21:26:08,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:26:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:08,541 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:26:08,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:08,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:26:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:08,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:26:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:08,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:26:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:08,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:26:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:08,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:26:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:08,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:26:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:08,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:26:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:08,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:08,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:26:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:08,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:08,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:08,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:26:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:08,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:26:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:08,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:26:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:08,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:26:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:08,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:26:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:08,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-04 21:26:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:08,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-04 21:26:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:08,866 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 21:26:08,867 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [293868192] [2020-09-04 21:26:08,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:26:08,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 21:26:08,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51257898] [2020-09-04 21:26:08,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 21:26:08,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:26:08,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 21:26:08,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-09-04 21:26:08,871 INFO L87 Difference]: Start difference. First operand 740 states and 829 transitions. Second operand 14 states. [2020-09-04 21:26:09,465 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:26:09,750 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:26:10,052 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:10,377 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:26:10,671 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:11,960 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:12,288 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:26:12,631 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:12,993 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:26:13,326 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:15,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:26:15,136 INFO L93 Difference]: Finished difference Result 1576 states and 1894 transitions. [2020-09-04 21:26:15,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 21:26:15,142 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 234 [2020-09-04 21:26:15,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:26:15,149 INFO L225 Difference]: With dead ends: 1576 [2020-09-04 21:26:15,149 INFO L226 Difference]: Without dead ends: 951 [2020-09-04 21:26:15,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-09-04 21:26:15,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2020-09-04 21:26:15,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 752. [2020-09-04 21:26:15,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2020-09-04 21:26:15,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 841 transitions. [2020-09-04 21:26:15,382 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 841 transitions. Word has length 234 [2020-09-04 21:26:15,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:26:15,382 INFO L479 AbstractCegarLoop]: Abstraction has 752 states and 841 transitions. [2020-09-04 21:26:15,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 21:26:15,383 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 841 transitions. [2020-09-04 21:26:15,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-04 21:26:15,386 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:26:15,387 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 21:26:15,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 21:26:15,387 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:26:15,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:26:15,387 INFO L82 PathProgramCache]: Analyzing trace with hash -598510827, now seen corresponding path program 1 times [2020-09-04 21:26:15,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:26:15,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1011389932] [2020-09-04 21:26:15,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:26:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:15,706 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:26:15,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:15,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:26:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:15,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:26:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:15,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:26:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:15,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:26:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:15,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:26:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:15,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:26:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:15,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:26:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:15,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:15,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:26:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:15,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:15,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:15,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:26:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:15,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:26:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:15,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:26:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:15,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:26:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:15,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:26:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:15,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-04 21:26:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:15,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-04 21:26:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:15,988 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 21:26:15,988 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1011389932] [2020-09-04 21:26:15,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:26:15,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 21:26:15,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289524408] [2020-09-04 21:26:15,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 21:26:15,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:26:15,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 21:26:15,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 21:26:15,990 INFO L87 Difference]: Start difference. First operand 752 states and 841 transitions. Second operand 8 states. [2020-09-04 21:26:16,500 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:26:17,197 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:26:20,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:26:20,583 INFO L93 Difference]: Finished difference Result 2345 states and 2854 transitions. [2020-09-04 21:26:20,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-04 21:26:20,584 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 234 [2020-09-04 21:26:20,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:26:20,594 INFO L225 Difference]: With dead ends: 2345 [2020-09-04 21:26:20,594 INFO L226 Difference]: Without dead ends: 1708 [2020-09-04 21:26:20,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 51 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-09-04 21:26:20,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2020-09-04 21:26:20,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1440. [2020-09-04 21:26:20,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1440 states. [2020-09-04 21:26:20,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 1638 transitions. [2020-09-04 21:26:20,991 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 1638 transitions. Word has length 234 [2020-09-04 21:26:20,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:26:20,991 INFO L479 AbstractCegarLoop]: Abstraction has 1440 states and 1638 transitions. [2020-09-04 21:26:20,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 21:26:20,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1638 transitions. [2020-09-04 21:26:20,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-04 21:26:20,995 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:26:20,995 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:26:20,995 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 21:26:20,995 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:26:20,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:26:20,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1193101703, now seen corresponding path program 1 times [2020-09-04 21:26:20,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:26:20,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [588521635] [2020-09-04 21:26:20,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:26:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:21,442 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:26:21,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:21,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:26:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:21,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:26:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:21,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:26:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:21,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:26:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:21,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:26:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:21,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:26:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:21,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:26:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:21,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 21:26:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:21,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:21,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-04 21:26:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:21,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:21,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:21,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:26:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:21,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:26:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:21,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:26:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:21,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:26:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:21,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:26:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:21,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-04 21:26:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:21,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 21:26:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:21,955 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 21:26:21,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [588521635] [2020-09-04 21:26:21,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:26:21,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-04 21:26:21,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047841981] [2020-09-04 21:26:21,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 21:26:21,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:26:21,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 21:26:21,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-09-04 21:26:21,959 INFO L87 Difference]: Start difference. First operand 1440 states and 1638 transitions. Second operand 15 states. [2020-09-04 21:26:22,894 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 21:26:23,809 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:26:25,270 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-04 21:26:25,922 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 21:26:26,329 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:26:26,659 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:26:27,300 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-04 21:26:27,623 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:26:28,007 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:26:28,323 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:26:32,419 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 21:26:33,254 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:26:33,560 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:26:33,926 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:35,462 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-04 21:26:36,054 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-04 21:26:36,680 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 21:26:37,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:26:37,672 INFO L93 Difference]: Finished difference Result 4415 states and 5396 transitions. [2020-09-04 21:26:37,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-09-04 21:26:37,673 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 239 [2020-09-04 21:26:37,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:26:37,691 INFO L225 Difference]: With dead ends: 4415 [2020-09-04 21:26:37,692 INFO L226 Difference]: Without dead ends: 3371 [2020-09-04 21:26:37,698 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1260 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=816, Invalid=3216, Unknown=0, NotChecked=0, Total=4032 [2020-09-04 21:26:37,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3371 states. [2020-09-04 21:26:38,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3371 to 2661. [2020-09-04 21:26:38,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2661 states. [2020-09-04 21:26:38,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2661 states to 2661 states and 3007 transitions. [2020-09-04 21:26:38,770 INFO L78 Accepts]: Start accepts. Automaton has 2661 states and 3007 transitions. Word has length 239 [2020-09-04 21:26:38,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:26:38,771 INFO L479 AbstractCegarLoop]: Abstraction has 2661 states and 3007 transitions. [2020-09-04 21:26:38,771 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 21:26:38,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2661 states and 3007 transitions. [2020-09-04 21:26:38,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-09-04 21:26:38,776 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:26:38,776 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:26:38,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 21:26:38,777 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:26:38,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:26:38,777 INFO L82 PathProgramCache]: Analyzing trace with hash 743741619, now seen corresponding path program 1 times [2020-09-04 21:26:38,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:26:38,778 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [758100569] [2020-09-04 21:26:38,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:26:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,186 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:26:39,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:26:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:26:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:26:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:26:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:26:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:26:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:26:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:26:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:26:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:26:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:26:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:26:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:26:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:26:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:26:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:26:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 21:26:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-09-04 21:26:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-09-04 21:26:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:26:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:26:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2020-09-04 21:26:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-09-04 21:26:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:39,873 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-04 21:26:39,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [758100569] [2020-09-04 21:26:39,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:26:39,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-04 21:26:39,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154240358] [2020-09-04 21:26:39,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 21:26:39,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:26:39,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 21:26:39,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-09-04 21:26:39,879 INFO L87 Difference]: Start difference. First operand 2661 states and 3007 transitions. Second operand 19 states. [2020-09-04 21:26:40,790 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:26:41,118 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:26:41,440 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:41,765 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:26:42,067 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:43,247 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 21:26:43,802 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:26:44,205 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:26:44,515 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:26:44,856 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:26:45,345 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:26:45,768 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-09-04 21:26:46,169 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:26:48,879 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:26:50,324 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:26:50,958 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:26:51,663 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 21:26:52,160 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:26:53,161 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:53,857 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:26:54,254 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:26:55,038 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-04 21:26:55,731 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-09-04 21:26:57,093 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-09-04 21:26:57,828 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:26:58,540 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-04 21:27:00,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:27:00,875 INFO L93 Difference]: Finished difference Result 6018 states and 7082 transitions. [2020-09-04 21:27:00,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-09-04 21:27:00,876 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 330 [2020-09-04 21:27:00,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:27:00,895 INFO L225 Difference]: With dead ends: 6018 [2020-09-04 21:27:00,896 INFO L226 Difference]: Without dead ends: 3738 [2020-09-04 21:27:00,904 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2458 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=1409, Invalid=6601, Unknown=0, NotChecked=0, Total=8010 [2020-09-04 21:27:00,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3738 states. [2020-09-04 21:27:01,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3738 to 3087. [2020-09-04 21:27:01,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3087 states. [2020-09-04 21:27:01,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3087 states to 3087 states and 3436 transitions. [2020-09-04 21:27:01,844 INFO L78 Accepts]: Start accepts. Automaton has 3087 states and 3436 transitions. Word has length 330 [2020-09-04 21:27:01,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:27:01,845 INFO L479 AbstractCegarLoop]: Abstraction has 3087 states and 3436 transitions. [2020-09-04 21:27:01,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 21:27:01,845 INFO L276 IsEmpty]: Start isEmpty. Operand 3087 states and 3436 transitions. [2020-09-04 21:27:01,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2020-09-04 21:27:01,856 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:27:01,857 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, 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, 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 21:27:01,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 21:27:01,857 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:27:01,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:27:01,857 INFO L82 PathProgramCache]: Analyzing trace with hash -102804350, now seen corresponding path program 1 times [2020-09-04 21:27:01,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:27:01,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1567285858] [2020-09-04 21:27:01,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:27:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,305 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:27:02,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:27:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:27:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:27:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:27:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:27:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:27:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:27:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:27:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:27:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:27:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:27:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:27:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 21:27:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:27:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:27:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 21:27:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2020-09-04 21:27:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2020-09-04 21:27:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:27:02,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:27:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 21:27:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-04 21:27:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-09-04 21:27:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:27:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2020-09-04 21:27:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2020-09-04 21:27:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2020-09-04 21:27:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:27:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2020-09-04 21:27:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:02,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2020-09-04 21:27:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:03,106 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 165 proven. 63 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2020-09-04 21:27:03,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1567285858] [2020-09-04 21:27:03,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:27:03,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:27:03,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570713521] [2020-09-04 21:27:03,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:27:03,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:27:03,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:27:03,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:27:03,109 INFO L87 Difference]: Start difference. First operand 3087 states and 3436 transitions. Second operand 18 states. [2020-09-04 21:27:05,051 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:27:05,459 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:27:05,805 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:06,151 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:27:06,472 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:06,797 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:27:08,524 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:08,871 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:27:13,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:27:13,702 INFO L93 Difference]: Finished difference Result 8840 states and 10367 transitions. [2020-09-04 21:27:13,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-09-04 21:27:13,703 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 582 [2020-09-04 21:27:13,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:27:13,743 INFO L225 Difference]: With dead ends: 8840 [2020-09-04 21:27:13,743 INFO L226 Difference]: Without dead ends: 5353 [2020-09-04 21:27:13,762 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 137 SyntacticMatches, 4 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 552 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=521, Invalid=1831, Unknown=0, NotChecked=0, Total=2352 [2020-09-04 21:27:13,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5353 states. [2020-09-04 21:27:15,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5353 to 4188. [2020-09-04 21:27:15,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4188 states. [2020-09-04 21:27:15,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4188 states to 4188 states and 4743 transitions. [2020-09-04 21:27:15,617 INFO L78 Accepts]: Start accepts. Automaton has 4188 states and 4743 transitions. Word has length 582 [2020-09-04 21:27:15,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:27:15,619 INFO L479 AbstractCegarLoop]: Abstraction has 4188 states and 4743 transitions. [2020-09-04 21:27:15,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:27:15,619 INFO L276 IsEmpty]: Start isEmpty. Operand 4188 states and 4743 transitions. [2020-09-04 21:27:15,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 597 [2020-09-04 21:27:15,633 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:27:15,634 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, 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, 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 21:27:15,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 21:27:15,634 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:27:15,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:27:15,635 INFO L82 PathProgramCache]: Analyzing trace with hash -350237307, now seen corresponding path program 1 times [2020-09-04 21:27:15,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:27:15,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [300446504] [2020-09-04 21:27:15,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:27:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,072 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:27:16,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:27:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:27:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:27:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:27:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:27:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:27:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:27:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:27:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:27:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:27:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:16,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:27:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:27:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 21:27:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:27:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:27:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 21:27:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:27:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-09-04 21:27:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2020-09-04 21:27:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:27:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:27:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 21:27:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2020-09-04 21:27:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-09-04 21:27:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2020-09-04 21:27:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:27:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2020-09-04 21:27:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2020-09-04 21:27:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-09-04 21:27:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:27:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2020-09-04 21:27:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2020-09-04 21:27:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,889 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 175 proven. 53 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2020-09-04 21:27:16,890 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [300446504] [2020-09-04 21:27:16,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:27:16,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-09-04 21:27:16,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024114629] [2020-09-04 21:27:16,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-09-04 21:27:16,894 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:27:16,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-09-04 21:27:16,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2020-09-04 21:27:16,898 INFO L87 Difference]: Start difference. First operand 4188 states and 4743 transitions. Second operand 20 states. [2020-09-04 21:27:17,682 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:27:18,134 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:27:18,475 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:27:18,808 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:19,140 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:27:19,456 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:20,643 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:27:20,999 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:27:22,567 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:27:22,966 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:27:23,346 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:27:23,873 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:27:25,061 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:27:25,383 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:27:26,590 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:27:26,946 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:27:27,270 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:27:29,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:27:29,402 INFO L93 Difference]: Finished difference Result 8460 states and 9856 transitions. [2020-09-04 21:27:29,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-09-04 21:27:29,402 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 596 [2020-09-04 21:27:29,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:27:29,428 INFO L225 Difference]: With dead ends: 8460 [2020-09-04 21:27:29,429 INFO L226 Difference]: Without dead ends: 4689 [2020-09-04 21:27:29,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 853 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=677, Invalid=2745, Unknown=0, NotChecked=0, Total=3422 [2020-09-04 21:27:29,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4689 states. [2020-09-04 21:27:31,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4689 to 4089. [2020-09-04 21:27:31,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4089 states. [2020-09-04 21:27:31,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4089 states to 4089 states and 4602 transitions. [2020-09-04 21:27:31,089 INFO L78 Accepts]: Start accepts. Automaton has 4089 states and 4602 transitions. Word has length 596 [2020-09-04 21:27:31,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:27:31,090 INFO L479 AbstractCegarLoop]: Abstraction has 4089 states and 4602 transitions. [2020-09-04 21:27:31,090 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-09-04 21:27:31,090 INFO L276 IsEmpty]: Start isEmpty. Operand 4089 states and 4602 transitions. [2020-09-04 21:27:31,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2020-09-04 21:27:31,103 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:27:31,103 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 21:27:31,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 21:27:31,104 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:27:31,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:27:31,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1612331810, now seen corresponding path program 1 times [2020-09-04 21:27:31,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:27:31,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1844113415] [2020-09-04 21:27:31,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:27:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,485 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:27:31,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:27:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:27:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:27:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:27:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:27:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:27:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:27:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:27:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:27:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:27:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:27:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:27:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 21:27:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:27:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:27:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 21:27:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:27:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 21:27:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 21:27:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:27:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:27:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 21:27:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-09-04 21:27:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2020-09-04 21:27:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-09-04 21:27:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2020-09-04 21:27:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:27:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-09-04 21:27:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2020-09-04 21:27:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,932 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 108 proven. 2 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2020-09-04 21:27:31,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1844113415] [2020-09-04 21:27:31,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:27:31,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-04 21:27:31,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188516918] [2020-09-04 21:27:31,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 21:27:31,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:27:31,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 21:27:31,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-09-04 21:27:31,934 INFO L87 Difference]: Start difference. First operand 4089 states and 4602 transitions. Second operand 13 states. [2020-09-04 21:27:34,881 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:27:35,320 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:35,623 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:27:35,928 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:27:36,235 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:36,529 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:27:38,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:27:38,029 INFO L93 Difference]: Finished difference Result 8385 states and 9714 transitions. [2020-09-04 21:27:38,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-04 21:27:38,030 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 542 [2020-09-04 21:27:38,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:27:38,055 INFO L225 Difference]: With dead ends: 8385 [2020-09-04 21:27:38,055 INFO L226 Difference]: Without dead ends: 4713 [2020-09-04 21:27:38,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=217, Invalid=539, Unknown=0, NotChecked=0, Total=756 [2020-09-04 21:27:38,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4713 states. [2020-09-04 21:27:39,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4713 to 4137. [2020-09-04 21:27:39,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4137 states. [2020-09-04 21:27:39,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4137 states to 4137 states and 4650 transitions. [2020-09-04 21:27:39,530 INFO L78 Accepts]: Start accepts. Automaton has 4137 states and 4650 transitions. Word has length 542 [2020-09-04 21:27:39,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:27:39,531 INFO L479 AbstractCegarLoop]: Abstraction has 4137 states and 4650 transitions. [2020-09-04 21:27:39,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 21:27:39,531 INFO L276 IsEmpty]: Start isEmpty. Operand 4137 states and 4650 transitions. [2020-09-04 21:27:39,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2020-09-04 21:27:39,544 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:27:39,544 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, 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, 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] [2020-09-04 21:27:39,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 21:27:39,545 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:27:39,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:27:39,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1329509334, now seen corresponding path program 1 times [2020-09-04 21:27:39,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:27:39,546 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1091986073] [2020-09-04 21:27:39,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:27:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,015 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:27:40,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:27:40,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:27:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:27:40,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:27:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:27:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:27:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:27:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:27:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:27:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:27:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:27:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:27:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 21:27:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:27:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:27:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 21:27:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:27:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 21:27:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 21:27:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:27:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:27:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 21:27:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-09-04 21:27:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-09-04 21:27:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-09-04 21:27:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:27:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2020-09-04 21:27:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2020-09-04 21:27:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2020-09-04 21:27:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:27:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2020-09-04 21:27:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:40,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2020-09-04 21:27:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:41,370 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 150 proven. 8 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2020-09-04 21:27:41,371 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1091986073] [2020-09-04 21:27:41,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:27:41,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-04 21:27:41,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559184576] [2020-09-04 21:27:41,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-04 21:27:41,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:27:41,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-04 21:27:41,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2020-09-04 21:27:41,373 INFO L87 Difference]: Start difference. First operand 4137 states and 4650 transitions. Second operand 16 states. [2020-09-04 21:27:43,255 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:27:43,599 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:27:43,975 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:27:44,359 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:27:44,709 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:27:45,110 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:27:45,630 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:27:47,401 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:47,839 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:27:48,310 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:27:48,769 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:27:53,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:27:53,439 INFO L93 Difference]: Finished difference Result 7609 states and 8854 transitions. [2020-09-04 21:27:53,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-09-04 21:27:53,439 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 597 [2020-09-04 21:27:53,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:27:53,461 INFO L225 Difference]: With dead ends: 7609 [2020-09-04 21:27:53,462 INFO L226 Difference]: Without dead ends: 5126 [2020-09-04 21:27:53,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 138 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 390 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=521, Invalid=1371, Unknown=0, NotChecked=0, Total=1892 [2020-09-04 21:27:53,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5126 states. [2020-09-04 21:27:54,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5126 to 3806. [2020-09-04 21:27:54,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3806 states. [2020-09-04 21:27:54,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3806 states to 3806 states and 4241 transitions. [2020-09-04 21:27:54,911 INFO L78 Accepts]: Start accepts. Automaton has 3806 states and 4241 transitions. Word has length 597 [2020-09-04 21:27:54,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:27:54,912 INFO L479 AbstractCegarLoop]: Abstraction has 3806 states and 4241 transitions. [2020-09-04 21:27:54,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-04 21:27:54,912 INFO L276 IsEmpty]: Start isEmpty. Operand 3806 states and 4241 transitions. [2020-09-04 21:27:54,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2020-09-04 21:27:54,924 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:27:54,925 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 21:27:54,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 21:27:54,925 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:27:54,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:27:54,926 INFO L82 PathProgramCache]: Analyzing trace with hash -2092223575, now seen corresponding path program 1 times [2020-09-04 21:27:54,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:27:54,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1018519750] [2020-09-04 21:27:54,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:27:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,319 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:27:55,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:27:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:27:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:27:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:27:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:27:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:27:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:27:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:27:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:27:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:27:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:27:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:27:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 21:27:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:27:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:27:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 21:27:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:27:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 21:27:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 21:27:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:27:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:27:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 21:27:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:27:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-09-04 21:27:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-09-04 21:27:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-09-04 21:27:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2020-09-04 21:27:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:27:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2020-09-04 21:27:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2020-09-04 21:27:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:55,975 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 132 proven. 47 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2020-09-04 21:27:55,976 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1018519750] [2020-09-04 21:27:55,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:27:55,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-04 21:27:55,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387570587] [2020-09-04 21:27:55,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 21:27:55,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:27:55,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 21:27:55,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:27:55,978 INFO L87 Difference]: Start difference. First operand 3806 states and 4241 transitions. Second operand 17 states. [2020-09-04 21:27:56,608 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:27:58,562 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:58,907 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:27:59,558 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:27:59,885 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:28:00,538 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-04 21:28:00,903 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:28:01,557 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:28:01,849 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:28:02,202 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:28:02,597 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:28:02,941 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:28:03,505 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 21:28:04,841 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:05,199 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:28:05,896 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:28:06,590 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 196 [2020-09-04 21:28:07,211 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:28:08,445 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 21:28:09,097 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-09-04 21:28:13,447 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:28:14,801 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:15,145 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:28:15,751 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:28:16,410 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:28:17,000 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:28:20,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:28:20,673 INFO L93 Difference]: Finished difference Result 8849 states and 10376 transitions. [2020-09-04 21:28:20,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2020-09-04 21:28:20,673 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 552 [2020-09-04 21:28:20,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:28:20,695 INFO L225 Difference]: With dead ends: 8849 [2020-09-04 21:28:20,695 INFO L226 Difference]: Without dead ends: 6689 [2020-09-04 21:28:20,706 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 152 SyntacticMatches, 6 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2494 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=1279, Invalid=6377, Unknown=0, NotChecked=0, Total=7656 [2020-09-04 21:28:20,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6689 states. [2020-09-04 21:28:23,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6689 to 5525. [2020-09-04 21:28:23,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5525 states. [2020-09-04 21:28:23,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5525 states to 5525 states and 6117 transitions. [2020-09-04 21:28:23,083 INFO L78 Accepts]: Start accepts. Automaton has 5525 states and 6117 transitions. Word has length 552 [2020-09-04 21:28:23,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:28:23,084 INFO L479 AbstractCegarLoop]: Abstraction has 5525 states and 6117 transitions. [2020-09-04 21:28:23,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 21:28:23,084 INFO L276 IsEmpty]: Start isEmpty. Operand 5525 states and 6117 transitions. [2020-09-04 21:28:23,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2020-09-04 21:28:23,100 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:28:23,101 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:28:23,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-04 21:28:23,101 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:28:23,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:28:23,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1862051867, now seen corresponding path program 1 times [2020-09-04 21:28:23,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:28:23,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1393681365] [2020-09-04 21:28:23,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:28:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,519 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:28:23,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:28:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:28:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:28:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:28:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:28:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:28:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:28:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:28:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:28:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:28:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:28:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:28:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:28:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 21:28:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:28:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:28:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:28:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 21:28:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:28:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-09-04 21:28:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-09-04 21:28:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-09-04 21:28:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:28:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:28:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:28:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:23,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 21:28:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-09-04 21:28:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-09-04 21:28:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:28:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:28:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:28:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 21:28:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:28:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2020-09-04 21:28:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2020-09-04 21:28:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2020-09-04 21:28:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2020-09-04 21:28:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:28:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:28:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2020-09-04 21:28:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2020-09-04 21:28:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:24,299 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 214 proven. 80 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2020-09-04 21:28:24,299 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1393681365] [2020-09-04 21:28:24,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:28:24,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-04 21:28:24,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172057066] [2020-09-04 21:28:24,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 21:28:24,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:28:24,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 21:28:24,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-09-04 21:28:24,301 INFO L87 Difference]: Start difference. First operand 5525 states and 6117 transitions. Second operand 19 states. [2020-09-04 21:28:24,923 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:28:25,945 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:28:27,136 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:27,476 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:28:28,094 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:28:28,444 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:29,040 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:28:29,376 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:28:29,963 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:28:30,253 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:28:30,665 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:28:31,042 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:28:31,386 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:28:32,652 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:33,005 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:28:39,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:28:39,696 INFO L93 Difference]: Finished difference Result 10271 states and 11818 transitions. [2020-09-04 21:28:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-09-04 21:28:39,696 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 649 [2020-09-04 21:28:39,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:28:39,725 INFO L225 Difference]: With dead ends: 10271 [2020-09-04 21:28:39,725 INFO L226 Difference]: Without dead ends: 6836 [2020-09-04 21:28:39,737 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 168 SyntacticMatches, 6 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1332 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=948, Invalid=3474, Unknown=0, NotChecked=0, Total=4422 [2020-09-04 21:28:39,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6836 states. [2020-09-04 21:28:41,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6836 to 5763. [2020-09-04 21:28:41,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5763 states. [2020-09-04 21:28:41,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5763 states to 5763 states and 6369 transitions. [2020-09-04 21:28:41,756 INFO L78 Accepts]: Start accepts. Automaton has 5763 states and 6369 transitions. Word has length 649 [2020-09-04 21:28:41,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:28:41,757 INFO L479 AbstractCegarLoop]: Abstraction has 5763 states and 6369 transitions. [2020-09-04 21:28:41,757 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 21:28:41,757 INFO L276 IsEmpty]: Start isEmpty. Operand 5763 states and 6369 transitions. [2020-09-04 21:28:41,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 624 [2020-09-04 21:28:41,771 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:28:41,771 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 21:28:41,771 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-04 21:28:41,772 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:28:41,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:28:41,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1694298508, now seen corresponding path program 1 times [2020-09-04 21:28:41,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:28:41,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [408842378] [2020-09-04 21:28:41,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:28:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,215 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:28:42,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:28:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:28:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:28:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:28:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:28:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:28:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:28:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:28:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:28:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:28:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:28:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:28:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:28:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 21:28:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:28:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:28:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:28:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 21:28:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:28:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 21:28:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 21:28:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:28:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:28:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:28:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 21:28:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:28:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-09-04 21:28:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-09-04 21:28:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2020-09-04 21:28:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:28:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:28:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2020-09-04 21:28:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2020-09-04 21:28:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2020-09-04 21:28:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2020-09-04 21:28:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:28:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:28:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2020-09-04 21:28:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2020-09-04 21:28:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,277 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 220 proven. 69 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2020-09-04 21:28:43,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [408842378] [2020-09-04 21:28:43,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:28:43,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-09-04 21:28:43,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404205525] [2020-09-04 21:28:43,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-09-04 21:28:43,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:28:43,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-09-04 21:28:43,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2020-09-04 21:28:43,280 INFO L87 Difference]: Start difference. First operand 5763 states and 6369 transitions. Second operand 25 states. [2020-09-04 21:28:43,987 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:46,325 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:28:46,727 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:28:47,465 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-04 21:28:47,843 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:28:48,612 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-09-04 21:28:48,965 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:28:49,653 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-04 21:28:50,248 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-04 21:28:50,660 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:28:51,104 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:28:51,475 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:28:52,070 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-04 21:28:53,854 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 21:28:54,535 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-04 21:28:55,248 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-04 21:28:55,976 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 196 [2020-09-04 21:28:56,633 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-04 21:28:57,977 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-04 21:28:58,644 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-04 21:29:01,067 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-09-04 21:29:01,817 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-09-04 21:29:02,480 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 195 [2020-09-04 21:29:03,774 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-04 21:29:04,474 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2020-09-04 21:29:05,110 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-04 21:29:05,784 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-04 21:29:06,406 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-04 21:29:08,038 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 21:29:08,360 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:29:08,884 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:29:09,245 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:29:09,613 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:29:09,942 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:29:10,283 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:29:10,629 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 21:29:10,951 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:29:11,371 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:29:11,731 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:29:12,051 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:29:12,370 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:29:13,616 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:29:14,226 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 21:29:14,569 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:29:15,210 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-09-04 21:29:15,832 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:29:16,498 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 197 [2020-09-04 21:29:17,145 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-04 21:29:17,868 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 202 [2020-09-04 21:29:18,480 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:29:19,152 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 197 [2020-09-04 21:29:21,375 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:29:21,751 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:29:22,262 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:29:22,697 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:29:23,073 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:29:25,866 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 21:29:26,513 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 196 [2020-09-04 21:29:30,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:29:30,983 INFO L93 Difference]: Finished difference Result 14574 states and 16611 transitions. [2020-09-04 21:29:30,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2020-09-04 21:29:30,983 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 623 [2020-09-04 21:29:30,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:29:31,011 INFO L225 Difference]: With dead ends: 14574 [2020-09-04 21:29:31,011 INFO L226 Difference]: Without dead ends: 9763 [2020-09-04 21:29:31,030 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 171 SyntacticMatches, 5 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7201 ImplicationChecksByTransitivity, 31.4s TimeCoverageRelationStatistics Valid=3202, Invalid=16820, Unknown=0, NotChecked=0, Total=20022 [2020-09-04 21:29:31,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9763 states. [2020-09-04 21:29:33,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9763 to 7110. [2020-09-04 21:29:33,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7110 states. [2020-09-04 21:29:33,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7110 states to 7110 states and 7818 transitions. [2020-09-04 21:29:33,654 INFO L78 Accepts]: Start accepts. Automaton has 7110 states and 7818 transitions. Word has length 623 [2020-09-04 21:29:33,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:29:33,655 INFO L479 AbstractCegarLoop]: Abstraction has 7110 states and 7818 transitions. [2020-09-04 21:29:33,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-09-04 21:29:33,655 INFO L276 IsEmpty]: Start isEmpty. Operand 7110 states and 7818 transitions. [2020-09-04 21:29:33,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2020-09-04 21:29:33,667 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:29:33,668 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 21:29:33,668 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-04 21:29:33,668 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:29:33,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:29:33,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1195460821, now seen corresponding path program 1 times [2020-09-04 21:29:33,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:29:33,669 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [395280681] [2020-09-04 21:29:33,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:29:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,055 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:29:34,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:29:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:29:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:29:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:29:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:29:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:29:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:29:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:29:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:29:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:29:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:29:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:29:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 21:29:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:29:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:29:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 21:29:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:29:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 21:29:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 21:29:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:29:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:29:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 21:29:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:29:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-09-04 21:29:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2020-09-04 21:29:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2020-09-04 21:29:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:29:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:29:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-09-04 21:29:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2020-09-04 21:29:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2020-09-04 21:29:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2020-09-04 21:29:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:29:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2020-09-04 21:29:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2020-09-04 21:29:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:34,713 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 179 proven. 75 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2020-09-04 21:29:34,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [395280681] [2020-09-04 21:29:34,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:29:34,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:29:34,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030202341] [2020-09-04 21:29:34,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:29:34,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:29:34,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:29:34,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:29:34,715 INFO L87 Difference]: Start difference. First operand 7110 states and 7818 transitions. Second operand 18 states. [2020-09-04 21:29:35,790 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:29:37,220 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:29:40,934 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:29:41,272 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 21:29:41,601 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:29:41,938 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:29:42,255 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:29:42,836 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 21:29:45,899 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:29:46,350 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:29:46,715 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:29:47,077 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:29:47,402 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:29:50,513 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-04 21:29:51,246 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-04 21:29:52,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:29:52,668 INFO L93 Difference]: Finished difference Result 16913 states and 19152 transitions. [2020-09-04 21:29:52,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-09-04 21:29:52,669 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 632 [2020-09-04 21:29:52,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:29:52,697 INFO L225 Difference]: With dead ends: 16913 [2020-09-04 21:29:52,698 INFO L226 Difference]: Without dead ends: 10004 [2020-09-04 21:29:52,714 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 159 SyntacticMatches, 7 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1525 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=1141, Invalid=4115, Unknown=0, NotChecked=0, Total=5256 [2020-09-04 21:29:52,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10004 states. [2020-09-04 21:29:55,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10004 to 7629. [2020-09-04 21:29:55,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7629 states. [2020-09-04 21:29:55,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7629 states to 7629 states and 8358 transitions. [2020-09-04 21:29:55,544 INFO L78 Accepts]: Start accepts. Automaton has 7629 states and 8358 transitions. Word has length 632 [2020-09-04 21:29:55,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:29:55,545 INFO L479 AbstractCegarLoop]: Abstraction has 7629 states and 8358 transitions. [2020-09-04 21:29:55,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:29:55,545 INFO L276 IsEmpty]: Start isEmpty. Operand 7629 states and 8358 transitions. [2020-09-04 21:29:55,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2020-09-04 21:29:55,560 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:29:55,560 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:29:55,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-04 21:29:55,560 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:29:55,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:29:55,561 INFO L82 PathProgramCache]: Analyzing trace with hash -848785099, now seen corresponding path program 1 times [2020-09-04 21:29:55,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:29:55,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [914620485] [2020-09-04 21:29:55,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:29:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:55,979 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:29:55,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:29:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:29:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:29:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:29:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:29:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:29:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:29:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:29:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:29:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:29:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:29:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:29:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 21:29:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:29:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:29:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 21:29:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:29:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 21:29:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 21:29:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:29:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:29:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 21:29:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:29:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-09-04 21:29:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2020-09-04 21:29:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2020-09-04 21:29:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:29:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:29:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-09-04 21:29:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2020-09-04 21:29:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2020-09-04 21:29:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2020-09-04 21:29:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:29:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2020-09-04 21:29:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2020-09-04 21:29:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:56,564 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 164 proven. 19 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2020-09-04 21:29:56,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [914620485] [2020-09-04 21:29:56,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:29:56,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:29:56,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233313975] [2020-09-04 21:29:56,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:29:56,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:29:56,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:29:56,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:29:56,566 INFO L87 Difference]: Start difference. First operand 7629 states and 8358 transitions. Second operand 18 states. [2020-09-04 21:29:57,284 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:29:57,600 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:29:57,915 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:29:58,228 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:29:58,527 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:30:02,281 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:30:02,583 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:30:02,894 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:30:03,209 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:30:03,524 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:30:03,820 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:30:04,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:30:04,648 INFO L93 Difference]: Finished difference Result 8825 states and 9734 transitions. [2020-09-04 21:30:04,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-04 21:30:04,649 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 632 [2020-09-04 21:30:04,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:30:04,651 INFO L225 Difference]: With dead ends: 8825 [2020-09-04 21:30:04,651 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 21:30:04,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=331, Invalid=1075, Unknown=0, NotChecked=0, Total=1406 [2020-09-04 21:30:04,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 21:30:04,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 21:30:04,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 21:30:04,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 21:30:04,667 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 632 [2020-09-04 21:30:04,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:30:04,668 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 21:30:04,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:30:04,668 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 21:30:04,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 21:30:04,668 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-04 21:30:04,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 21:30:05,350 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 21:30:07,140 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 247 DAG size of output: 235 [2020-09-04 21:30:07,468 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:30:07,793 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:30:08,324 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 222 [2020-09-04 21:30:09,791 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 248 DAG size of output: 233 [2020-09-04 21:30:10,116 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:30:10,510 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 221 [2020-09-04 21:30:10,844 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:30:11,160 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:30:11,524 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:30:11,855 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:30:12,171 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:30:12,729 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2020-09-04 21:30:13,314 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 222 [2020-09-04 21:30:13,828 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 223 [2020-09-04 21:30:14,155 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:30:14,480 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:30:14,814 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:30:15,130 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:30:15,453 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:30:16,495 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:30:16,813 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:30:17,153 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:30:17,497 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:30:17,818 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:30:19,028 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 233 DAG size of output: 224 [2020-09-04 21:30:19,363 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:30:19,696 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:30:20,877 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:30:21,199 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:30:21,522 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:30:21,852 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:30:22,178 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:30:23,650 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 246 DAG size of output: 232 [2020-09-04 21:30:23,976 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:30:24,416 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:30:24,751 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:30:25,089 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:30:25,413 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:30:25,743 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:30:26,066 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:30:26,407 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:30:26,732 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:30:27,069 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:30:28,201 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:30:28,518 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-09-04 21:30:30,079 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 255 DAG size of output: 245 [2020-09-04 21:30:31,626 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 256 DAG size of output: 245 [2020-09-04 21:30:32,062 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 228 [2020-09-04 21:30:32,417 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 229 [2020-09-04 21:30:32,755 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:30:33,086 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:30:33,448 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:30:33,776 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:30:33,948 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:30:34,277 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:30:34,454 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:30:34,632 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:30:34,813 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:30:35,147 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:30:35,479 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:30:35,803 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:30:36,133 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:30:36,449 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:30:36,774 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:30:37,093 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:30:37,410 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:30:37,728 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:30:38,051 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:30:38,377 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:30:38,711 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:30:39,039 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:30:39,578 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2020-09-04 21:30:41,291 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2020-09-04 21:30:41,607 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:30:41,923 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:30:43,657 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 251 DAG size of output: 233 [2020-09-04 21:30:43,980 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:30:44,296 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:30:44,626 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:30:45,125 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 222 [2020-09-04 21:30:45,441 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:30:46,394 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 222 [2020-09-04 21:30:46,714 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:30:47,041 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:30:47,355 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:30:47,664 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:30:48,181 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 223 [2020-09-04 21:30:48,504 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:30:48,894 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 223 [2020-09-04 21:30:49,229 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:30:49,572 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:30:49,881 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:30:50,217 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:30:50,556 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:30:50,880 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:30:51,210 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:30:51,542 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:30:51,866 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:30:52,222 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:30:52,551 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:30:52,883 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:30:53,225 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:30:54,943 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 253 DAG size of output: 240 [2020-09-04 21:30:55,273 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:30:55,586 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:30:55,915 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:30:56,245 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:30:56,572 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:30:56,911 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:30:57,838 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 224 [2020-09-04 21:30:58,163 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:30:58,492 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:30:58,801 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:30:59,863 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-09-04 21:31:00,185 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-09-04 21:31:00,494 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-09-04 21:31:00,818 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:31:01,141 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:31:01,458 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:31:01,781 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:31:02,105 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:31:02,312 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2020-09-04 21:31:02,888 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2020-09-04 21:31:03,945 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2020-09-04 21:31:17,252 WARN L193 SmtUtils]: Spent 13.24 s on a formula simplification. DAG size of input: 757 DAG size of output: 601 [2020-09-04 21:31:17,570 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-09-04 21:31:30,783 WARN L193 SmtUtils]: Spent 13.21 s on a formula simplification. DAG size of input: 757 DAG size of output: 601 [2020-09-04 21:31:44,286 WARN L193 SmtUtils]: Spent 13.32 s on a formula simplification. DAG size of input: 757 DAG size of output: 601 [2020-09-04 21:31:50,033 WARN L193 SmtUtils]: Spent 5.74 s on a formula simplification. DAG size of input: 633 DAG size of output: 473 [2020-09-04 21:31:51,178 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:31:52,230 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:31:52,596 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:31:52,912 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:31:53,230 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:31:54,268 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:31:54,585 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:31:54,920 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:31:55,254 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:31:55,572 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:31:56,747 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 233 DAG size of output: 224 [2020-09-04 21:31:57,085 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:31:57,417 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:31:58,596 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:31:58,917 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:31:59,240 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:31:59,570 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:31:59,893 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:32:01,358 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 246 DAG size of output: 232 [2020-09-04 21:32:01,682 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:32:02,011 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:32:02,345 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:32:02,687 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:32:03,010 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:32:03,339 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:32:03,662 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:32:03,997 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:32:04,320 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:32:04,655 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:32:05,783 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:32:06,106 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-09-04 21:32:06,438 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:32:06,763 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:32:07,093 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:32:07,409 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:32:07,734 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:32:08,052 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:32:08,369 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:32:08,686 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:32:09,008 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:32:09,333 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:32:09,663 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:32:09,989 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:32:10,524 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2020-09-04 21:32:12,230 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2020-09-04 21:32:12,546 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:32:12,862 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:32:14,676 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 251 DAG size of output: 233 [2020-09-04 21:32:14,999 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:32:15,314 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:32:15,643 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:32:16,141 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 222 [2020-09-04 21:32:16,457 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:32:17,412 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 222 [2020-09-04 21:32:17,732 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:32:18,058 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:32:18,372 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:32:18,681 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:32:19,199 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 223 [2020-09-04 21:32:19,521 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:32:19,910 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 223 [2020-09-04 21:32:20,244 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:32:20,585 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:32:20,894 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:32:21,230 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:32:21,568 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:32:21,892 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:32:22,219 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:32:22,551 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:32:22,874 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:32:23,226 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:32:23,570 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:32:23,912 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:32:24,254 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:32:25,948 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 253 DAG size of output: 240 [2020-09-04 21:32:26,278 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:32:26,590 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:32:26,919 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:32:27,248 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:32:27,575 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:32:27,924 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:32:28,873 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 224 [2020-09-04 21:32:29,198 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:32:29,527 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:32:29,838 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:32:30,899 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-09-04 21:32:31,222 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-09-04 21:32:31,532 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-09-04 21:32:31,857 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:32:32,180 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:32:32,497 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:32:32,814 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:32:33,138 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:32:34,181 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:32:35,311 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:32:35,641 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:32:35,986 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:32:36,320 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 222 [2020-09-04 21:32:36,689 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:32:37,003 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:32:37,365 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:32:37,741 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:32:38,103 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:32:38,412 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:32:38,766 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:32:39,141 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:32:39,504 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:32:39,851 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:32:40,212 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:32:40,585 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:32:40,957 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:32:41,312 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:32:41,666 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:32:42,037 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:32:42,396 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:32:42,758 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:32:43,117 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:32:43,491 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:32:44,078 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:32:44,404 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:32:44,762 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:32:45,113 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:32:45,500 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:32:45,875 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:32:46,228 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:32:46,603 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:32:46,978 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:32:47,353 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:32:47,734 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:32:48,118 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:32:48,506 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:32:48,892 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:32:49,803 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 237 [2020-09-04 21:32:51,988 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 268 DAG size of output: 259 [2020-09-04 21:32:52,362 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:32:52,735 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:32:54,551 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 266 DAG size of output: 255 [2020-09-04 21:32:54,932 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:32:55,305 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:32:55,697 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:32:56,456 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:32:56,830 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:32:57,853 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 247 DAG size of output: 242 [2020-09-04 21:32:58,230 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:32:58,619 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:32:58,991 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:32:59,356 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:33:00,267 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:33:00,647 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:33:01,406 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:33:01,798 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:33:02,194 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:33:02,560 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:33:02,962 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:33:03,358 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:33:03,741 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:33:04,123 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:33:04,482 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:33:04,833 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:33:05,212 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:33:05,599 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:33:05,958 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:33:06,326 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:33:08,230 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 268 DAG size of output: 256 [2020-09-04 21:33:08,618 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:33:08,986 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:33:09,371 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:33:09,759 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:33:10,113 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:33:10,509 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:33:11,873 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 241 DAG size of output: 230 [2020-09-04 21:33:12,225 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:33:12,580 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:33:12,947 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:33:14,135 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 242 DAG size of output: 232 [2020-09-04 21:33:14,516 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:33:14,884 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:33:15,235 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:33:15,615 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:33:15,991 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:33:16,365 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:33:16,748 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:33:17,081 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:33:17,657 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:33:20,235 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2020-09-04 21:33:20,832 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:33:21,435 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:33:22,038 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:33:22,610 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:33:24,254 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 267 DAG size of output: 230 [2020-09-04 21:33:24,850 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:33:25,192 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:33:25,521 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:33:25,852 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:33:26,183 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:33:26,506 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:33:26,836 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:33:27,532 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:33:27,894 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-09-04 21:33:28,293 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:33:28,620 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:33:29,011 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:33:29,415 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:33:29,791 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:33:30,113 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:33:30,497 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:33:30,880 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:33:31,257 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:33:31,633 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:33:32,023 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:33:32,421 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:33:32,807 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:33:33,175 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:33:33,545 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:33:33,939 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:33:34,325 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:33:34,716 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:33:35,103 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:33:35,499 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:33:36,078 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:33:36,794 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:33:37,123 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:33:37,459 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:33:37,824 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:33:38,159 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:33:38,487 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:33:38,816 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:33:39,170 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:33:39,504 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:33:39,831 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:33:40,159 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:33:40,515 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:33:40,887 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:33:41,243 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:33:41,600 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:33:42,937 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 247 DAG size of output: 233 [2020-09-04 21:33:43,294 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:33:43,670 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:33:44,044 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:33:44,399 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:33:45,812 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 21:33:46,184 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:33:46,558 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:33:47,821 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:33:48,180 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:33:48,545 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:33:48,918 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:33:49,280 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:33:50,840 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 254 DAG size of output: 241 [2020-09-04 21:33:51,205 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:33:51,577 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:33:51,951 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:33:52,329 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:33:52,694 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:33:53,063 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:33:53,426 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:33:53,803 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:33:54,167 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:33:54,543 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:33:55,867 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:34:09,024 WARN L193 SmtUtils]: Spent 13.15 s on a formula simplification. DAG size of input: 757 DAG size of output: 601 [2020-09-04 21:34:09,387 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:34:09,735 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-09-04 21:34:10,203 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:34:10,522 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:34:10,898 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:34:11,286 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:34:11,655 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:34:11,970 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:34:12,338 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:34:12,715 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:34:13,084 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:34:13,444 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:34:13,819 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:34:14,203 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:34:14,585 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:34:14,946 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:34:15,308 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:34:15,688 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:34:16,060 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:34:16,437 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:34:16,811 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:34:17,194 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:34:17,836 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:34:18,154 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-09-04 21:34:27,828 WARN L193 SmtUtils]: Spent 9.67 s on a formula simplification. DAG size of input: 727 DAG size of output: 575 [2020-09-04 21:34:28,194 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:34:28,542 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-09-04 21:34:28,924 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:34:29,244 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:34:29,621 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:34:30,097 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:34:30,466 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:34:30,782 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:34:31,151 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:34:31,528 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:34:31,897 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:34:32,257 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:34:32,631 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:34:33,015 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:34:33,392 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:34:33,753 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:34:34,114 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:34:34,493 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:34:34,865 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:34:35,241 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:34:35,614 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:34:35,995 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:34:36,634 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:34:37,760 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:34:38,809 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:34:39,128 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-09-04 21:34:39,512 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:34:39,902 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:34:40,245 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:34:40,584 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:34:41,212 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 21:34:42,903 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 247 DAG size of output: 235 [2020-09-04 21:34:43,225 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:34:43,548 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:34:44,074 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 222 [2020-09-04 21:34:45,513 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 248 DAG size of output: 233 [2020-09-04 21:34:45,835 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:34:46,224 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 221 [2020-09-04 21:34:46,548 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:34:46,863 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:34:47,212 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:34:47,534 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:34:47,851 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:34:48,405 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2020-09-04 21:34:48,982 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 222 [2020-09-04 21:34:49,487 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 223 [2020-09-04 21:34:49,813 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:34:50,138 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:34:51,190 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:34:52,317 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:34:52,642 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:34:52,969 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:34:53,298 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:34:53,642 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:34:53,959 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:34:54,275 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:34:54,590 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:34:54,906 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:34:55,462 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2020-09-04 21:34:56,029 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 222 [2020-09-04 21:34:56,360 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:34:58,051 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 247 DAG size of output: 235 [2020-09-04 21:34:58,652 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-09-04 21:34:58,976 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:34:59,483 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 223 [2020-09-04 21:35:00,002 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 222 [2020-09-04 21:35:00,392 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 221 [2020-09-04 21:35:01,831 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 248 DAG size of output: 233 [2020-09-04 21:35:06,136 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:35:07,264 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:35:08,389 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:35:09,440 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:35:10,488 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:35:11,616 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:35:11,942 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:35:12,265 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:35:12,592 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:35:12,916 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:35:13,231 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:35:13,555 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:35:13,892 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:35:14,218 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:35:14,545 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:35:14,862 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-09-04 21:35:16,654 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2020-09-04 21:35:18,361 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2020-09-04 21:35:20,062 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2020-09-04 21:35:20,379 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:35:20,698 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:35:21,027 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:35:22,711 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 253 DAG size of output: 240 [2020-09-04 21:35:23,041 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:35:23,365 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:35:23,695 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:35:24,019 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:35:24,344 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:35:26,052 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2020-09-04 21:35:27,754 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2020-09-04 21:35:28,064 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:35:29,753 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 253 DAG size of output: 240 [2020-09-04 21:35:30,079 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:35:30,410 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:35:30,726 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:35:31,063 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:35:31,389 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:35:31,705 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:35:32,021 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:35:32,336 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:35:32,658 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:35:32,980 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:35:33,308 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:35:33,948 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 222 [2020-09-04 21:35:34,589 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 222 [2020-09-04 21:35:34,913 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:35:35,238 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:35:35,557 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:35:35,867 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:35:36,194 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:35:36,518 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:35:37,147 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 224 [2020-09-04 21:35:37,484 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:35:37,807 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:35:39,265 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 246 DAG size of output: 232 [2020-09-04 21:35:39,583 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:35:39,908 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:35:40,232 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:35:41,694 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 246 DAG size of output: 232 [2020-09-04 21:35:42,012 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:35:42,332 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:35:42,650 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:35:42,975 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:35:43,301 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:35:43,630 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:35:43,975 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:35:46,202 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 286 DAG size of output: 250 [2020-09-04 21:35:48,430 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 286 DAG size of output: 250 [2020-09-04 21:35:48,915 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 236 [2020-09-04 21:35:49,392 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 236 [2020-09-04 21:35:49,875 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 235 [2020-09-04 21:35:50,367 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 237 [2020-09-04 21:35:50,856 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 237 [2020-09-04 21:35:51,329 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 234 [2020-09-04 21:35:51,802 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 234 [2020-09-04 21:35:52,294 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 236 [2020-09-04 21:35:52,784 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 236 [2020-09-04 21:35:53,267 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 235 [2020-09-04 21:35:53,758 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 236 [2020-09-04 21:35:54,332 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 236 [2020-09-04 21:35:54,453 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 21 [2020-09-04 21:35:54,938 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 235 [2020-09-04 21:35:55,425 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 237 [2020-09-04 21:35:55,914 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 237 [2020-09-04 21:35:56,391 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 234 [2020-09-04 21:35:56,881 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 234 [2020-09-04 21:35:57,367 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 235 [2020-09-04 21:35:59,592 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 286 DAG size of output: 250 [2020-09-04 21:35:59,703 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 20 [2020-09-04 21:36:00,200 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 235 [2020-09-04 21:36:00,500 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 26 [2020-09-04 21:36:00,611 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 20 [2020-09-04 21:36:00,724 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 20 [2020-09-04 21:36:01,020 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 26 [2020-09-04 21:36:01,507 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 235 [2020-09-04 21:36:03,731 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 286 DAG size of output: 250 [2020-09-04 21:36:03,841 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 22 [2020-09-04 21:36:03,949 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 22 [2020-09-04 21:36:04,066 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 21 [2020-09-04 21:36:04,183 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 21 [2020-09-04 21:36:04,676 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 234 [2020-09-04 21:36:05,151 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 234 [2020-09-04 21:36:05,638 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 235 [2020-09-04 21:36:07,870 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 286 DAG size of output: 250 [2020-09-04 21:36:08,197 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:36:08,378 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:36:08,563 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:36:08,755 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:36:09,079 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:36:09,274 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:36:09,606 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:36:09,937 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:36:10,835 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:36:11,186 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:36:11,538 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:36:12,011 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 222 [2020-09-04 21:36:12,186 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:36:12,658 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 223 [2020-09-04 21:36:13,003 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:36:13,348 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:36:13,521 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:36:13,698 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:36:13,878 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:36:14,775 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:36:15,093 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-09-04 21:36:16,220 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:36:17,276 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:36:17,615 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:36:17,945 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:36:18,263 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:36:18,443 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:36:18,773 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:36:19,096 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:36:19,274 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:36:21,279 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 254 DAG size of output: 243 [2020-09-04 21:36:21,604 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:36:21,931 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:36:22,251 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:36:22,890 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 228 [2020-09-04 21:36:23,229 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-09-04 21:36:23,411 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 29 [2020-09-04 21:36:23,582 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 31 [2020-09-04 21:36:23,757 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 30 [2020-09-04 21:36:23,906 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 30 [2020-09-04 21:36:25,433 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:36:26,568 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:36:26,913 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:36:27,965 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:36:29,092 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:36:30,253 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-09-04 21:36:30,929 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 230 [2020-09-04 21:36:31,515 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 224 [2020-09-04 21:36:32,188 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:36:32,869 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:36:33,610 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 226 [2020-09-04 21:36:34,283 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 221 [2020-09-04 21:36:34,955 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:36:35,660 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-09-04 21:36:36,359 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-09-04 21:36:37,185 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 239 [2020-09-04 21:36:37,855 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 221 [2020-09-04 21:36:38,527 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 221 [2020-09-04 21:36:39,239 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:36:40,152 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 21:36:40,824 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 221 [2020-09-04 21:36:41,502 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:36:42,180 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:36:42,890 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:36:43,471 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 223 [2020-09-04 21:36:44,171 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-09-04 21:36:45,028 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 232 [2020-09-04 21:36:45,888 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 234 [2020-09-04 21:36:46,468 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:36:47,136 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 221 [2020-09-04 21:36:47,752 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-09-04 21:36:48,461 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:36:49,134 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 221 [2020-09-04 21:36:49,811 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:36:50,580 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-09-04 21:36:51,254 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 221 [2020-09-04 21:36:51,984 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-09-04 21:36:52,653 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 221 [2020-09-04 21:36:53,510 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 234 [2020-09-04 21:36:54,182 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 221 [2020-09-04 21:36:54,887 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:36:55,694 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 222 [2020-09-04 21:36:56,372 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 234 [2020-09-04 21:36:57,079 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-09-04 21:36:57,750 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:36:58,579 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 239 [2020-09-04 21:36:59,286 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:36:59,964 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:37:00,670 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:37:01,347 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:37:02,068 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 234 [2020-09-04 21:37:02,798 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-09-04 21:37:03,507 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 234 [2020-09-04 21:37:04,212 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-09-04 21:37:05,127 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 237 [2020-09-04 21:37:05,876 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 231 [2020-09-04 21:37:06,748 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 235 [2020-09-04 21:37:07,416 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 221 [2020-09-04 21:37:08,241 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 239 [2020-09-04 21:37:08,916 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 221 [2020-09-04 21:37:09,597 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:37:10,060 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 224 [2020-09-04 21:37:10,974 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 237 [2020-09-04 21:37:11,647 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:37:12,318 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:37:13,465 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 251 DAG size of output: 237 [2020-09-04 21:37:13,818 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:37:14,160 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:37:14,504 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:37:15,623 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:37:15,966 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:37:16,303 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:37:16,646 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:37:17,684 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:37:18,016 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-09-04 21:37:18,340 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-09-04 21:37:19,237 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:37:19,589 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:37:19,940 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:37:20,410 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 222 [2020-09-04 21:37:20,581 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:37:21,130 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 223 [2020-09-04 21:37:21,475 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:37:21,819 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:37:21,993 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:37:22,169 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:37:22,349 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:37:23,245 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:37:25,070 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:37:25,395 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:37:25,729 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:37:26,089 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:37:26,411 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:37:26,741 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:37:27,065 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:37:27,236 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:37:27,557 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:37:28,685 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:37:29,018 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:37:29,349 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:37:29,676 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:37:30,719 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:37:30,895 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:37:31,224 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:37:31,375 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 21 [2020-09-04 21:37:31,554 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 25 [2020-09-04 21:37:31,692 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 21 [2020-09-04 21:37:32,269 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 220 [2020-09-04 21:37:32,425 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 29 [2020-09-04 21:37:32,590 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 24 [2020-09-04 21:37:33,158 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 220 [2020-09-04 21:37:33,305 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 28 [2020-09-04 21:37:33,450 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 28 [2020-09-04 21:37:33,966 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 221 [2020-09-04 21:37:34,723 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 224 [2020-09-04 21:37:34,947 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 24 [2020-09-04 21:37:35,629 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 224 [2020-09-04 21:37:36,311 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 224 [2020-09-04 21:37:36,804 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 223 [2020-09-04 21:37:37,488 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 224 [2020-09-04 21:37:38,170 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 224 [2020-09-04 21:37:38,695 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 221 [2020-09-04 21:37:38,808 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 23 [2020-09-04 21:37:39,566 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 224 [2020-09-04 21:37:39,793 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 24 [2020-09-04 21:37:40,017 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 24 [2020-09-04 21:37:40,189 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 24 [2020-09-04 21:37:40,414 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 24 [2020-09-04 21:37:40,639 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 24 [2020-09-04 21:37:40,805 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 27 [2020-09-04 21:37:41,016 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 24 [2020-09-04 21:37:41,221 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 24 [2020-09-04 21:37:41,396 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 26 [2020-09-04 21:37:41,566 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 26 [2020-09-04 21:37:41,912 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:37:43,193 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 249 DAG size of output: 239 [2020-09-04 21:37:43,526 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 222 [2020-09-04 21:37:43,894 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:37:44,216 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:37:44,579 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:37:45,692 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 243 DAG size of output: 238 [2020-09-04 21:37:46,054 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:37:46,416 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:37:47,652 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-09-04 21:37:47,961 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:37:48,316 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:37:48,687 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:37:49,048 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:37:49,397 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:37:51,033 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 255 DAG size of output: 244 [2020-09-04 21:37:51,388 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:37:51,758 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:37:52,129 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:37:52,484 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:37:52,838 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:37:53,203 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:37:53,561 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:37:53,924 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:37:54,283 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:37:55,378 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 248 DAG size of output: 234 [2020-09-04 21:37:55,738 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:37:56,321 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:37:56,649 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:37:56,974 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:37:57,308 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:37:57,669 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:37:57,990 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:37:58,321 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:37:58,645 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-09-04 21:37:58,816 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:37:59,138 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-09-04 21:38:00,271 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:38:00,604 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:38:00,934 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:38:01,261 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:38:02,304 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:38:02,480 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:38:02,809 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:38:03,200 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:38:04,741 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 257 DAG size of output: 246 [2020-09-04 21:38:05,123 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:38:05,499 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:38:05,881 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:38:07,469 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 258 DAG size of output: 247 [2020-09-04 21:38:07,910 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:38:08,303 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:38:09,890 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 242 DAG size of output: 232 [2020-09-04 21:38:10,801 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 226 [2020-09-04 21:38:11,764 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:38:12,924 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 21:38:13,110 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 29 [2020-09-04 21:38:13,282 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 31 [2020-09-04 21:38:13,457 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 30 [2020-09-04 21:38:13,607 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 30 [2020-09-04 21:38:14,732 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 238 DAG size of output: 222 [2020-09-04 21:38:15,859 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 238 DAG size of output: 222 [2020-09-04 21:38:16,422 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2020-09-04 21:38:16,999 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 222 [2020-09-04 21:38:17,560 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2020-09-04 21:38:18,139 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 222 [2020-09-04 21:38:18,711 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2020-09-04 21:38:19,281 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2020-09-04 21:38:19,843 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 220 [2020-09-04 21:38:21,944 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 259 DAG size of output: 237 [2020-09-04 21:38:22,503 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 220 [2020-09-04 21:38:23,211 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 222 [2020-09-04 21:38:23,697 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 222 [2020-09-04 21:38:24,275 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 220 [2020-09-04 21:38:24,973 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 222 [2020-09-04 21:38:25,542 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2020-09-04 21:38:26,250 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 222 [2020-09-04 21:38:26,819 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2020-09-04 21:38:27,508 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 222 [2020-09-04 21:38:29,612 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 259 DAG size of output: 237 [2020-09-04 21:38:30,320 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 222 [2020-09-04 21:38:30,890 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 223 [2020-09-04 21:38:31,460 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 223 [2020-09-04 21:38:32,019 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 220 [2020-09-04 21:38:32,583 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 220 [2020-09-04 21:38:33,153 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2020-09-04 21:38:33,721 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 220 [2020-09-04 21:38:34,292 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2020-09-04 21:38:36,392 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 259 DAG size of output: 237 [2020-09-04 21:38:36,879 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 222 [2020-09-04 21:38:38,983 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 259 DAG size of output: 237 [2020-09-04 21:38:41,092 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 259 DAG size of output: 237 [2020-09-04 21:38:41,443 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:38:41,780 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:38:42,118 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:38:43,390 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 21:38:43,728 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:38:44,082 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:38:44,437 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:38:44,773 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:38:46,182 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:38:46,534 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:38:46,887 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:38:48,123 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 239 DAG size of output: 233 [2020-09-04 21:38:48,462 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:38:49,312 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:38:49,663 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:38:50,006 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:38:51,443 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 250 DAG size of output: 236 [2020-09-04 21:38:51,788 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:38:52,138 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:38:52,491 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:38:52,849 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:38:53,194 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:38:53,542 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:38:53,885 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:38:54,239 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:38:54,583 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:38:54,937 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:38:56,253 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:38:56,597 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:38:56,934 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:38:57,271 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:38:57,610 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:38:57,940 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 21:38:58,278 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:39:08,010 WARN L193 SmtUtils]: Spent 9.71 s on a formula simplification. DAG size of input: 727 DAG size of output: 575 [2020-09-04 21:39:09,733 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 251 DAG size of output: 233 [2020-09-04 21:39:10,058 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 222