/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_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 21:10:47,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 21:10:47,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 21:10:48,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 21:10:48,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 21:10:48,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 21:10:48,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 21:10:48,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 21:10:48,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 21:10:48,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 21:10:48,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 21:10:48,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 21:10:48,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 21:10:48,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 21:10:48,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 21:10:48,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 21:10:48,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 21:10:48,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 21:10:48,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 21:10:48,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 21:10:48,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 21:10:48,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 21:10:48,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 21:10:48,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 21:10:48,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 21:10:48,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 21:10:48,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 21:10:48,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 21:10:48,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 21:10:48,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 21:10:48,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 21:10:48,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 21:10:48,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 21:10:48,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 21:10:48,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 21:10:48,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 21:10:48,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 21:10:48,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 21:10:48,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 21:10:48,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 21:10:48,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 21:10:48,105 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 21:10:48,125 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 21:10:48,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 21:10:48,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 21:10:48,128 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 21:10:48,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 21:10:48,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 21:10:48,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 21:10:48,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 21:10:48,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 21:10:48,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 21:10:48,131 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 21:10:48,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 21:10:48,131 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 21:10:48,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 21:10:48,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 21:10:48,132 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 21:10:48,132 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 21:10:48,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 21:10:48,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 21:10:48,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 21:10:48,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 21:10:48,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 21:10:48,134 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 21:10:48,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 21:10:48,568 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 21:10:48,576 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 21:10:48,577 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 21:10:48,578 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 21:10:48,579 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c [2020-09-04 21:10:48,669 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f73ab31cc/b213aca436e241cba89e9377b499a154/FLAGa1d42e62d [2020-09-04 21:10:49,257 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 21:10:49,258 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c [2020-09-04 21:10:49,273 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f73ab31cc/b213aca436e241cba89e9377b499a154/FLAGa1d42e62d [2020-09-04 21:10:49,539 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f73ab31cc/b213aca436e241cba89e9377b499a154 [2020-09-04 21:10:49,553 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 21:10:49,555 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 21:10:49,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 21:10:49,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 21:10:49,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 21:10:49,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:10:49" (1/1) ... [2020-09-04 21:10:49,566 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 09:10:49, skipping insertion in model container [2020-09-04 21:10:49,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:10:49" (1/1) ... [2020-09-04 21:10:49,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 21:10:49,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 21:10:50,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:10:50,195 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 21:10:50,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:10:50,327 INFO L208 MainTranslator]: Completed translation [2020-09-04 21:10:50,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:10:50 WrapperNode [2020-09-04 21:10:50,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 21:10:50,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 21:10:50,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 21:10:50,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 21:10:50,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:10:50" (1/1) ... [2020-09-04 21:10:50,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:10:50" (1/1) ... [2020-09-04 21:10:50,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:10:50" (1/1) ... [2020-09-04 21:10:50,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:10:50" (1/1) ... [2020-09-04 21:10:50,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:10:50" (1/1) ... [2020-09-04 21:10:50,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:10:50" (1/1) ... [2020-09-04 21:10:50,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:10:50" (1/1) ... [2020-09-04 21:10:50,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 21:10:50,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 21:10:50,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 21:10:50,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 21:10:50,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:10:50" (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 21:10:50,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 21:10:50,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 21:10:50,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 21:10:50,498 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 21:10:50,498 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 21:10:50,499 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 21:10:50,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 21:10:50,499 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 21:10:50,499 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 21:10:50,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 21:10:50,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 21:10:50,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 21:10:50,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 21:10:50,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 21:10:50,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 21:10:50,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 21:10:50,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 21:10:50,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-04 21:10:50,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-04 21:10:50,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-04 21:10:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 21:10:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 21:10:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-04 21:10:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 21:10:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-04 21:10:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 21:10:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 21:10:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 21:10:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 21:10:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 21:10:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 21:10:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 21:10:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 21:10:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 21:10:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 21:10:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 21:10:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 21:10:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 21:10:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 21:10:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 21:10:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 21:10:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 21:10:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 21:10:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 21:10:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 21:10:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 21:10:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 21:10:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 21:10:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 21:10:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 21:10:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 21:10:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 21:10:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 21:10:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 21:10:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 21:10:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 21:10:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 21:10:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 21:10:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 21:10:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 21:10:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 21:10:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 21:10:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 21:10:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 21:10:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 21:10:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 21:10:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 21:10:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 21:10:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 21:10:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 21:10:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-04 21:10:50,515 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-04 21:10:50,515 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-04 21:10:50,515 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 21:10:50,515 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 21:10:50,515 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 21:10:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 21:10:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 21:10:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 21:10:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 21:10:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-04 21:10:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 21:10:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-04 21:10:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 21:10:50,518 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 21:10:50,518 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 21:10:50,518 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 21:10:50,519 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 21:10:50,520 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 21:10:50,520 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 21:10:50,520 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 21:10:50,520 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 21:10:50,520 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 21:10:50,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 21:10:50,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 21:10:50,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 21:10:51,712 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 21:10:51,712 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 21:10:51,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:10:51 BoogieIcfgContainer [2020-09-04 21:10:51,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 21:10:51,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 21:10:51,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 21:10:51,734 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 21:10:51,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 09:10:49" (1/3) ... [2020-09-04 21:10:51,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@413b311b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:10:51, skipping insertion in model container [2020-09-04 21:10:51,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:10:50" (2/3) ... [2020-09-04 21:10:51,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@413b311b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:10:51, skipping insertion in model container [2020-09-04 21:10:51,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:10:51" (3/3) ... [2020-09-04 21:10:51,739 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product45.cil.c [2020-09-04 21:10:51,751 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 21:10:51,765 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 21:10:51,788 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 21:10:51,823 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 21:10:51,823 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 21:10:51,824 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 21:10:51,824 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 21:10:51,824 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 21:10:51,824 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 21:10:51,824 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 21:10:51,824 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 21:10:51,864 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states. [2020-09-04 21:10:51,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-04 21:10:51,906 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:10:51,907 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 21:10:51,908 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:10:51,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:10:51,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1646918823, now seen corresponding path program 1 times [2020-09-04 21:10:51,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:10:51,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1823287913] [2020-09-04 21:10:51,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:10:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:52,814 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:10:52,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:10:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:52,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:10:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:52,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:10:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:52,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:10:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:52,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:10:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:52,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:10:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:52,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 21:10:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:52,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:10:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:52,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 21:10:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:52,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 21:10:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:52,960 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 21:10:52,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1823287913] [2020-09-04 21:10:52,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:10:52,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 21:10:52,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732476957] [2020-09-04 21:10:52,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 21:10:52,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:10:52,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 21:10:52,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 21:10:52,992 INFO L87 Difference]: Start difference. First operand 328 states. Second operand 4 states. [2020-09-04 21:10:54,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:10:54,256 INFO L93 Difference]: Finished difference Result 515 states and 603 transitions. [2020-09-04 21:10:54,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 21:10:54,261 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-04 21:10:54,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:10:54,284 INFO L225 Difference]: With dead ends: 515 [2020-09-04 21:10:54,284 INFO L226 Difference]: Without dead ends: 323 [2020-09-04 21:10:54,290 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 21:10:54,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-09-04 21:10:54,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 277. [2020-09-04 21:10:54,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-09-04 21:10:54,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 302 transitions. [2020-09-04 21:10:54,439 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 302 transitions. Word has length 160 [2020-09-04 21:10:54,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:10:54,440 INFO L479 AbstractCegarLoop]: Abstraction has 277 states and 302 transitions. [2020-09-04 21:10:54,441 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 21:10:54,441 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 302 transitions. [2020-09-04 21:10:54,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-04 21:10:54,445 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:10:54,446 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 21:10:54,446 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 21:10:54,446 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:10:54,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:10:54,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1672652917, now seen corresponding path program 1 times [2020-09-04 21:10:54,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:10:54,447 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2105945471] [2020-09-04 21:10:54,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:10:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:54,890 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:10:54,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:10:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:54,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:10:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:54,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:10:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:54,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:10:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:54,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:10:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:54,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:10:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:54,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:10:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:54,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:10:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:54,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:10:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:54,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:10:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:54,987 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 21:10:54,988 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2105945471] [2020-09-04 21:10:54,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:10:54,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 21:10:54,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323157151] [2020-09-04 21:10:54,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 21:10:54,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:10:54,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 21:10:54,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 21:10:54,992 INFO L87 Difference]: Start difference. First operand 277 states and 302 transitions. Second operand 5 states. [2020-09-04 21:10:55,672 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:10:56,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:10:56,769 INFO L93 Difference]: Finished difference Result 444 states and 499 transitions. [2020-09-04 21:10:56,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 21:10:56,769 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-04 21:10:56,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:10:56,774 INFO L225 Difference]: With dead ends: 444 [2020-09-04 21:10:56,775 INFO L226 Difference]: Without dead ends: 312 [2020-09-04 21:10:56,777 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 21:10:56,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-09-04 21:10:56,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 267. [2020-09-04 21:10:56,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-09-04 21:10:56,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 289 transitions. [2020-09-04 21:10:56,849 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 289 transitions. Word has length 161 [2020-09-04 21:10:56,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:10:56,850 INFO L479 AbstractCegarLoop]: Abstraction has 267 states and 289 transitions. [2020-09-04 21:10:56,850 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 21:10:56,850 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 289 transitions. [2020-09-04 21:10:56,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-04 21:10:56,852 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:10:56,853 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] [2020-09-04 21:10:56,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 21:10:56,853 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:10:56,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:10:56,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1733555081, now seen corresponding path program 1 times [2020-09-04 21:10:56,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:10:56,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [461386567] [2020-09-04 21:10:56,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:10:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:57,286 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:10:57,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:10:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:57,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:10:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:57,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:10:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:57,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:10:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:57,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:10:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:57,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:10:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:57,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:10:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:57,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:10:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:57,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 21:10:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:57,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-04 21:10:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:57,509 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 21:10:57,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [461386567] [2020-09-04 21:10:57,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:10:57,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 21:10:57,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567827045] [2020-09-04 21:10:57,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 21:10:57,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:10:57,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 21:10:57,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 21:10:57,513 INFO L87 Difference]: Start difference. First operand 267 states and 289 transitions. Second operand 10 states. [2020-09-04 21:10:58,147 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:10:58,520 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:10:58,841 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:10:59,152 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:10:59,488 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:10:59,800 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:11:01,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:11:01,502 INFO L93 Difference]: Finished difference Result 464 states and 525 transitions. [2020-09-04 21:11:01,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 21:11:01,502 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 170 [2020-09-04 21:11:01,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:11:01,509 INFO L225 Difference]: With dead ends: 464 [2020-09-04 21:11:01,509 INFO L226 Difference]: Without dead ends: 312 [2020-09-04 21:11:01,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:11:01,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-09-04 21:11:01,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 267. [2020-09-04 21:11:01,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-09-04 21:11:01,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 288 transitions. [2020-09-04 21:11:01,620 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 288 transitions. Word has length 170 [2020-09-04 21:11:01,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:11:01,621 INFO L479 AbstractCegarLoop]: Abstraction has 267 states and 288 transitions. [2020-09-04 21:11:01,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 21:11:01,622 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 288 transitions. [2020-09-04 21:11:01,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-09-04 21:11:01,624 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:11:01,625 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] [2020-09-04 21:11:01,625 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 21:11:01,625 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:11:01,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:11:01,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1907489057, now seen corresponding path program 1 times [2020-09-04 21:11:01,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:11:01,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2061566267] [2020-09-04 21:11:01,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:11:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:01,969 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:11:01,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:02,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:11:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:02,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:11:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:02,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:11:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:02,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:11:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:02,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:11:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:02,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:11:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:02,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:02,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:11:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:02,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:02,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:02,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-04 21:11:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:02,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-04 21:11:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:02,172 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 21:11:02,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2061566267] [2020-09-04 21:11:02,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:11:02,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 21:11:02,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351748618] [2020-09-04 21:11:02,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 21:11:02,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:11:02,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 21:11:02,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-04 21:11:02,175 INFO L87 Difference]: Start difference. First operand 267 states and 288 transitions. Second operand 7 states. [2020-09-04 21:11:02,691 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:11:04,518 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:11:05,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:11:05,038 INFO L93 Difference]: Finished difference Result 617 states and 706 transitions. [2020-09-04 21:11:05,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 21:11:05,039 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2020-09-04 21:11:05,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:11:05,044 INFO L225 Difference]: With dead ends: 617 [2020-09-04 21:11:05,045 INFO L226 Difference]: Without dead ends: 465 [2020-09-04 21:11:05,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-09-04 21:11:05,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-09-04 21:11:05,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 397. [2020-09-04 21:11:05,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-09-04 21:11:05,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 429 transitions. [2020-09-04 21:11:05,191 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 429 transitions. Word has length 183 [2020-09-04 21:11:05,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:11:05,192 INFO L479 AbstractCegarLoop]: Abstraction has 397 states and 429 transitions. [2020-09-04 21:11:05,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 21:11:05,192 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 429 transitions. [2020-09-04 21:11:05,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-04 21:11:05,195 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:11:05,195 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] [2020-09-04 21:11:05,196 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 21:11:05,196 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:11:05,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:11:05,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1733292252, now seen corresponding path program 1 times [2020-09-04 21:11:05,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:11:05,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1861897717] [2020-09-04 21:11:05,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:11:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:05,610 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:11:05,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:05,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:11:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:05,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:11:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:05,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:11:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:05,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:11:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:05,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:11:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:05,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:11:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:05,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:05,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:11:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:05,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:05,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:05,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:11:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:05,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:11:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:05,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-04 21:11:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:05,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-04 21:11:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:05,906 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 21:11:05,907 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1861897717] [2020-09-04 21:11:05,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:11:05,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-04 21:11:05,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731966058] [2020-09-04 21:11:05,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 21:11:05,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:11:05,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 21:11:05,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-09-04 21:11:05,909 INFO L87 Difference]: Start difference. First operand 397 states and 429 transitions. Second operand 13 states. [2020-09-04 21:11:06,493 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:11:06,851 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:11:07,221 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:11:07,566 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:11:07,788 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:11:08,796 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:11:09,114 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:11:09,462 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:11:09,806 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:11:10,110 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:11:11,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:11:11,343 INFO L93 Difference]: Finished difference Result 752 states and 856 transitions. [2020-09-04 21:11:11,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 21:11:11,343 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 207 [2020-09-04 21:11:11,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:11:11,349 INFO L225 Difference]: With dead ends: 752 [2020-09-04 21:11:11,349 INFO L226 Difference]: Without dead ends: 470 [2020-09-04 21:11:11,351 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2020-09-04 21:11:11,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2020-09-04 21:11:11,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 403. [2020-09-04 21:11:11,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-09-04 21:11:11,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 435 transitions. [2020-09-04 21:11:11,497 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 435 transitions. Word has length 207 [2020-09-04 21:11:11,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:11:11,498 INFO L479 AbstractCegarLoop]: Abstraction has 403 states and 435 transitions. [2020-09-04 21:11:11,498 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 21:11:11,498 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 435 transitions. [2020-09-04 21:11:11,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-04 21:11:11,500 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:11:11,501 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] [2020-09-04 21:11:11,501 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 21:11:11,501 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:11:11,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:11:11,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1587804868, now seen corresponding path program 1 times [2020-09-04 21:11:11,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:11:11,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [614118385] [2020-09-04 21:11:11,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:11:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:11,850 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:11:11,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:11,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:11:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:11,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:11:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:11,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:11:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:11,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:11:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:11,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:11:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:11,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:11:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:11,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:11,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:11:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:11,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:11,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:11,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:11:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:11,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:11:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:11,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-04 21:11:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:11,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-04 21:11:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:12,064 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 21:11:12,065 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [614118385] [2020-09-04 21:11:12,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:11:12,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 21:11:12,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273267407] [2020-09-04 21:11:12,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 21:11:12,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:11:12,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 21:11:12,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 21:11:12,068 INFO L87 Difference]: Start difference. First operand 403 states and 435 transitions. Second operand 10 states. [2020-09-04 21:11:12,606 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:11:13,477 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:11:13,781 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:11:15,029 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:11:15,328 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:11:15,691 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:11:16,202 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:11:16,513 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:11:16,816 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:11:17,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:11:17,465 INFO L93 Difference]: Finished difference Result 758 states and 854 transitions. [2020-09-04 21:11:17,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 21:11:17,466 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 207 [2020-09-04 21:11:17,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:11:17,470 INFO L225 Difference]: With dead ends: 758 [2020-09-04 21:11:17,470 INFO L226 Difference]: Without dead ends: 470 [2020-09-04 21:11:17,471 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-04 21:11:17,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2020-09-04 21:11:17,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 402. [2020-09-04 21:11:17,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-09-04 21:11:17,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 432 transitions. [2020-09-04 21:11:17,582 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 432 transitions. Word has length 207 [2020-09-04 21:11:17,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:11:17,583 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 432 transitions. [2020-09-04 21:11:17,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 21:11:17,583 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 432 transitions. [2020-09-04 21:11:17,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-04 21:11:17,586 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:11:17,587 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] [2020-09-04 21:11:17,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 21:11:17,587 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:11:17,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:11:17,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1381187112, now seen corresponding path program 1 times [2020-09-04 21:11:17,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:11:17,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1046490129] [2020-09-04 21:11:17,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:11:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:17,912 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:11:17,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:17,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:11:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:17,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:11:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:17,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:11:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:17,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:11:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:17,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:11:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:17,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:11:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:17,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:17,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:11:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:17,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:18,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:18,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:11:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:18,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:11:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:18,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:11:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:18,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:11:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:18,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:11:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:18,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-04 21:11:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:18,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-04 21:11:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:18,141 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 21:11:18,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1046490129] [2020-09-04 21:11:18,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:11:18,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 21:11:18,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044410321] [2020-09-04 21:11:18,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 21:11:18,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:11:18,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 21:11:18,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 21:11:18,144 INFO L87 Difference]: Start difference. First operand 402 states and 432 transitions. Second operand 10 states. [2020-09-04 21:11:19,501 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:11:19,827 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:11:20,184 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:11:20,496 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:11:20,818 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:11:21,122 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:11:22,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:11:22,202 INFO L93 Difference]: Finished difference Result 761 states and 860 transitions. [2020-09-04 21:11:22,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 21:11:22,203 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 230 [2020-09-04 21:11:22,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:11:22,206 INFO L225 Difference]: With dead ends: 761 [2020-09-04 21:11:22,207 INFO L226 Difference]: Without dead ends: 474 [2020-09-04 21:11:22,208 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:11:22,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-09-04 21:11:22,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 410. [2020-09-04 21:11:22,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2020-09-04 21:11:22,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 440 transitions. [2020-09-04 21:11:22,369 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 440 transitions. Word has length 230 [2020-09-04 21:11:22,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:11:22,369 INFO L479 AbstractCegarLoop]: Abstraction has 410 states and 440 transitions. [2020-09-04 21:11:22,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 21:11:22,370 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 440 transitions. [2020-09-04 21:11:22,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-04 21:11:22,371 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:11:22,372 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] [2020-09-04 21:11:22,372 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 21:11:22,372 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:11:22,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:11:22,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1518928507, now seen corresponding path program 1 times [2020-09-04 21:11:22,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:11:22,373 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [128553519] [2020-09-04 21:11:22,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:11:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:22,689 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:11:22,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:22,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:11:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:22,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:11:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:22,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:11:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:22,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:11:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:22,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:11:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:22,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:11:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:22,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:22,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:11:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:22,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:22,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:22,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:11:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:22,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:11:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:22,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:11:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:22,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:11:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:22,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:11:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:22,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-04 21:11:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:22,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-04 21:11:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:22,934 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 21:11:22,934 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [128553519] [2020-09-04 21:11:22,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:11:22,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 21:11:22,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027534263] [2020-09-04 21:11:22,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 21:11:22,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:11:22,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 21:11:22,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-04 21:11:22,936 INFO L87 Difference]: Start difference. First operand 410 states and 440 transitions. Second operand 7 states. [2020-09-04 21:11:23,514 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:11:24,176 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:11:26,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:11:26,584 INFO L93 Difference]: Finished difference Result 1017 states and 1172 transitions. [2020-09-04 21:11:26,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 21:11:26,585 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2020-09-04 21:11:26,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:11:26,590 INFO L225 Difference]: With dead ends: 1017 [2020-09-04 21:11:26,590 INFO L226 Difference]: Without dead ends: 722 [2020-09-04 21:11:26,592 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-04 21:11:26,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2020-09-04 21:11:26,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 653. [2020-09-04 21:11:26,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2020-09-04 21:11:26,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 720 transitions. [2020-09-04 21:11:26,813 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 720 transitions. Word has length 230 [2020-09-04 21:11:26,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:11:26,814 INFO L479 AbstractCegarLoop]: Abstraction has 653 states and 720 transitions. [2020-09-04 21:11:26,814 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 21:11:26,814 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 720 transitions. [2020-09-04 21:11:26,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-04 21:11:26,816 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:11:26,816 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] [2020-09-04 21:11:26,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 21:11:26,817 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:11:26,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:11:26,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1231012387, now seen corresponding path program 1 times [2020-09-04 21:11:26,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:11:26,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [21740209] [2020-09-04 21:11:26,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:11:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:27,235 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:11:27,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:27,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:11:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:27,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:11:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:27,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:11:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:27,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:11:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:27,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:11:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:27,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:11:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:27,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 21:11:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:27,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:27,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 21:11:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:27,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:27,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:27,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:11:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:27,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:11:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:27,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:11:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:27,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:11:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:27,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:11:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:27,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-04 21:11:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:27,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 21:11:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:27,542 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 21:11:27,543 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [21740209] [2020-09-04 21:11:27,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:11:27,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 21:11:27,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442515297] [2020-09-04 21:11:27,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 21:11:27,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:11:27,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 21:11:27,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-09-04 21:11:27,545 INFO L87 Difference]: Start difference. First operand 653 states and 720 transitions. Second operand 14 states. [2020-09-04 21:11:28,436 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 21:11:29,349 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:11:31,123 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-04 21:11:31,759 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 21:11:32,166 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:11:32,495 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:11:33,106 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-04 21:11:33,443 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:11:33,813 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:11:34,129 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:11:35,934 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:11:36,235 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:11:36,567 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:11:37,262 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 21:11:38,765 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-04 21:11:39,368 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-04 21:11:40,022 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 21:11:40,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:11:40,580 INFO L93 Difference]: Finished difference Result 1770 states and 2034 transitions. [2020-09-04 21:11:40,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-09-04 21:11:40,581 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 235 [2020-09-04 21:11:40,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:11:40,587 INFO L225 Difference]: With dead ends: 1770 [2020-09-04 21:11:40,587 INFO L226 Difference]: Without dead ends: 1335 [2020-09-04 21:11:40,590 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 625 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2020-09-04 21:11:40,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2020-09-04 21:11:40,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1158. [2020-09-04 21:11:40,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1158 states. [2020-09-04 21:11:40,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1267 transitions. [2020-09-04 21:11:40,933 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1267 transitions. Word has length 235 [2020-09-04 21:11:40,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:11:40,933 INFO L479 AbstractCegarLoop]: Abstraction has 1158 states and 1267 transitions. [2020-09-04 21:11:40,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 21:11:40,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1267 transitions. [2020-09-04 21:11:40,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-09-04 21:11:40,937 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:11:40,937 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:11:40,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 21:11:40,938 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:11:40,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:11:40,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1034159388, now seen corresponding path program 1 times [2020-09-04 21:11:40,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:11:40,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1606350559] [2020-09-04 21:11:40,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:11:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,317 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:11:41,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:11:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:11:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:11:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:11:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:11:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:11:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:11:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:11:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:11:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:11:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:11:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:11:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:11:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:11:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-09-04 21:11:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-04 21:11:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-09-04 21:11:41,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:41,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:11:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:11:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2020-09-04 21:11:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2020-09-04 21:11:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:41,880 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 33 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-09-04 21:11:41,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1606350559] [2020-09-04 21:11:41,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:11:41,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:11:41,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319392349] [2020-09-04 21:11:41,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:11:41,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:11:41,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:11:41,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:11:41,883 INFO L87 Difference]: Start difference. First operand 1158 states and 1267 transitions. Second operand 18 states. [2020-09-04 21:11:42,494 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:11:42,962 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:11:43,313 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:11:43,654 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:11:43,993 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:11:44,332 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:11:45,294 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:11:45,682 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:11:46,023 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:11:46,652 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 21:11:47,919 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:11:48,314 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-09-04 21:11:49,162 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:11:49,920 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:11:50,795 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:11:51,451 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:11:52,066 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 21:11:52,516 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:11:53,361 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:11:54,036 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:11:54,424 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:11:55,195 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-04 21:11:55,883 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-09-04 21:11:57,145 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-04 21:11:57,494 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:11:58,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:11:58,534 INFO L93 Difference]: Finished difference Result 2450 states and 2741 transitions. [2020-09-04 21:11:58,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-09-04 21:11:58,535 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 317 [2020-09-04 21:11:58,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:11:58,544 INFO L225 Difference]: With dead ends: 2450 [2020-09-04 21:11:58,544 INFO L226 Difference]: Without dead ends: 1505 [2020-09-04 21:11:58,548 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1135 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=824, Invalid=3598, Unknown=0, NotChecked=0, Total=4422 [2020-09-04 21:11:58,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1505 states. [2020-09-04 21:11:59,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1505 to 1369. [2020-09-04 21:11:59,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1369 states. [2020-09-04 21:11:59,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1369 states and 1506 transitions. [2020-09-04 21:11:59,171 INFO L78 Accepts]: Start accepts. Automaton has 1369 states and 1506 transitions. Word has length 317 [2020-09-04 21:11:59,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:11:59,171 INFO L479 AbstractCegarLoop]: Abstraction has 1369 states and 1506 transitions. [2020-09-04 21:11:59,172 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:11:59,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 1506 transitions. [2020-09-04 21:11:59,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2020-09-04 21:11:59,178 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:11:59,179 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:11:59,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 21:11:59,179 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:11:59,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:11:59,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1451631237, now seen corresponding path program 1 times [2020-09-04 21:11:59,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:11:59,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [764341724] [2020-09-04 21:11:59,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:11:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,644 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:11:59,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:11:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:11:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:11:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:11:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:11:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:11:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:11:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:11:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:11:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:11:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:11:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:11:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:11:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:11:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:11:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:11:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:11:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:11:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:11:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:59,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:11:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-09-04 21:12:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:12:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:12:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:12:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:12:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2020-09-04 21:12:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2020-09-04 21:12:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2020-09-04 21:12:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:12:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:12:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:12:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2020-09-04 21:12:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2020-09-04 21:12:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:00,270 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 120 proven. 38 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2020-09-04 21:12:00,270 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [764341724] [2020-09-04 21:12:00,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:12:00,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-04 21:12:00,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838548909] [2020-09-04 21:12:00,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-04 21:12:00,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:12:00,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-04 21:12:00,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2020-09-04 21:12:00,272 INFO L87 Difference]: Start difference. First operand 1369 states and 1506 transitions. Second operand 16 states. [2020-09-04 21:12:02,269 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:12:02,609 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:12:02,956 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:03,303 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:12:03,615 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:03,930 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:12:05,794 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:06,138 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:12:07,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:12:07,764 INFO L93 Difference]: Finished difference Result 3449 states and 3914 transitions. [2020-09-04 21:12:07,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-04 21:12:07,765 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 505 [2020-09-04 21:12:07,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:12:07,776 INFO L225 Difference]: With dead ends: 3449 [2020-09-04 21:12:07,776 INFO L226 Difference]: Without dead ends: 2074 [2020-09-04 21:12:07,780 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 111 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=292, Invalid=968, Unknown=0, NotChecked=0, Total=1260 [2020-09-04 21:12:07,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2074 states. [2020-09-04 21:12:08,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2074 to 1763. [2020-09-04 21:12:08,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1763 states. [2020-09-04 21:12:08,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1763 states and 1973 transitions. [2020-09-04 21:12:08,681 INFO L78 Accepts]: Start accepts. Automaton has 1763 states and 1973 transitions. Word has length 505 [2020-09-04 21:12:08,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:12:08,684 INFO L479 AbstractCegarLoop]: Abstraction has 1763 states and 1973 transitions. [2020-09-04 21:12:08,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-04 21:12:08,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 1973 transitions. [2020-09-04 21:12:08,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2020-09-04 21:12:08,693 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:12:08,694 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:08,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 21:12:08,694 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:12:08,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:12:08,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1018842168, now seen corresponding path program 1 times [2020-09-04 21:12:08,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:12:08,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1672027960] [2020-09-04 21:12:08,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:12:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,113 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:12:09,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:12:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:12:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:12:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:12:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:12:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:12:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:12:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:12:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:12:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:12:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:12:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:12:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:12:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:12:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:12:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:12:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:12:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:12:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-09-04 21:12:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:12:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:12:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:12:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:12:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2020-09-04 21:12:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-09-04 21:12:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:12:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:12:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:12:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2020-09-04 21:12:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2020-09-04 21:12:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,660 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 128 proven. 41 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2020-09-04 21:12:09,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1672027960] [2020-09-04 21:12:09,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:12:09,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:12:09,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750621512] [2020-09-04 21:12:09,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:12:09,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:12:09,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:12:09,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:12:09,663 INFO L87 Difference]: Start difference. First operand 1763 states and 1973 transitions. Second operand 18 states. [2020-09-04 21:12:10,267 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:12:10,742 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:12:11,075 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:12:11,409 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:11,733 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:12:12,045 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:13,016 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:13,367 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:12:14,720 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:15,137 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:12:15,514 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:16,032 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:12:16,876 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:17,194 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:12:18,271 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:18,633 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:12:18,997 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:20,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:12:20,073 INFO L93 Difference]: Finished difference Result 3294 states and 3727 transitions. [2020-09-04 21:12:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-09-04 21:12:20,074 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 511 [2020-09-04 21:12:20,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:12:20,084 INFO L225 Difference]: With dead ends: 3294 [2020-09-04 21:12:20,084 INFO L226 Difference]: Without dead ends: 1776 [2020-09-04 21:12:20,089 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=441, Invalid=1815, Unknown=0, NotChecked=0, Total=2256 [2020-09-04 21:12:20,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2020-09-04 21:12:20,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1699. [2020-09-04 21:12:20,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1699 states. [2020-09-04 21:12:20,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 1882 transitions. [2020-09-04 21:12:20,769 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 1882 transitions. Word has length 511 [2020-09-04 21:12:20,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:12:20,769 INFO L479 AbstractCegarLoop]: Abstraction has 1699 states and 1882 transitions. [2020-09-04 21:12:20,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:12:20,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 1882 transitions. [2020-09-04 21:12:20,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 513 [2020-09-04 21:12:20,777 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:12:20,777 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:12:20,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 21:12:20,778 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:12:20,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:12:20,778 INFO L82 PathProgramCache]: Analyzing trace with hash 577487375, now seen corresponding path program 1 times [2020-09-04 21:12:20,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:12:20,779 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1139514747] [2020-09-04 21:12:20,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:12:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,205 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:12:21,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:12:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:12:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:12:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:12:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:12:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:12:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:12:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:12:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:12:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:12:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:12:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:12:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:12:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:12:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:12:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:12:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:12:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:12:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-09-04 21:12:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:12:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:12:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:12:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:12:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2020-09-04 21:12:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-04 21:12:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:12:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:12:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:12:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2020-09-04 21:12:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2020-09-04 21:12:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:21,802 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 119 proven. 11 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2020-09-04 21:12:21,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1139514747] [2020-09-04 21:12:21,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:12:21,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-04 21:12:21,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212442558] [2020-09-04 21:12:21,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-04 21:12:21,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:12:21,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-04 21:12:21,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-09-04 21:12:21,805 INFO L87 Difference]: Start difference. First operand 1699 states and 1882 transitions. Second operand 16 states. [2020-09-04 21:12:22,486 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:12:23,672 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:12:25,594 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:26,051 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:12:26,540 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:27,037 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:12:27,559 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:12:28,000 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:12:28,385 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:28,833 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:12:29,261 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:12:29,647 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:12:29,993 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:12:30,357 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:12:32,072 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:32,789 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 21:12:33,403 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 21:12:33,764 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:12:34,147 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:12:34,498 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:12:36,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:12:36,005 INFO L93 Difference]: Finished difference Result 4707 states and 5306 transitions. [2020-09-04 21:12:36,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-09-04 21:12:36,005 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 512 [2020-09-04 21:12:36,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:12:36,020 INFO L225 Difference]: With dead ends: 4707 [2020-09-04 21:12:36,020 INFO L226 Difference]: Without dead ends: 3136 [2020-09-04 21:12:36,025 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 118 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=490, Invalid=1960, Unknown=0, NotChecked=0, Total=2450 [2020-09-04 21:12:36,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3136 states. [2020-09-04 21:12:37,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3136 to 3044. [2020-09-04 21:12:37,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3044 states. [2020-09-04 21:12:37,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 3044 states and 3341 transitions. [2020-09-04 21:12:37,103 INFO L78 Accepts]: Start accepts. Automaton has 3044 states and 3341 transitions. Word has length 512 [2020-09-04 21:12:37,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:12:37,104 INFO L479 AbstractCegarLoop]: Abstraction has 3044 states and 3341 transitions. [2020-09-04 21:12:37,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-04 21:12:37,104 INFO L276 IsEmpty]: Start isEmpty. Operand 3044 states and 3341 transitions. [2020-09-04 21:12:37,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2020-09-04 21:12:37,114 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:12:37,115 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:12:37,115 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 21:12:37,115 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:12:37,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:12:37,116 INFO L82 PathProgramCache]: Analyzing trace with hash -276279115, now seen corresponding path program 1 times [2020-09-04 21:12:37,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:12:37,116 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [286238853] [2020-09-04 21:12:37,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:12:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:37,462 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:12:37,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:37,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:12:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:37,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:12:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:37,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:12:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:37,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:12:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:37,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:12:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:37,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:12:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:37,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:12:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:37,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 21:12:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:37,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:37,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:37,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:12:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:37,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:37,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:37,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:12:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:37,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:12:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:37,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:37,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:37,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:12:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:37,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:12:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:37,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-09-04 21:12:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:12:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:12:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:12:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:12:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:12:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-09-04 21:12:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:12:38,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:12:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:12:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:12:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2020-09-04 21:12:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2020-09-04 21:12:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-09-04 21:12:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:12:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:12:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:38,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:12:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2020-09-04 21:12:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2020-09-04 21:12:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:38,277 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 88 proven. 50 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2020-09-04 21:12:38,278 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [286238853] [2020-09-04 21:12:38,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:12:38,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-09-04 21:12:38,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075699646] [2020-09-04 21:12:38,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-09-04 21:12:38,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:12:38,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-09-04 21:12:38,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2020-09-04 21:12:38,280 INFO L87 Difference]: Start difference. First operand 3044 states and 3341 transitions. Second operand 22 states. [2020-09-04 21:12:39,056 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:12:39,515 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:12:39,857 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:12:40,197 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:40,532 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:12:40,850 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:41,963 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:12:43,903 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:44,311 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:12:44,791 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:45,201 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:45,548 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:12:45,918 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:12:46,250 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:46,630 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:12:46,999 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:47,457 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:12:47,817 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:48,188 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:12:48,885 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:12:49,720 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:12:50,441 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:12:54,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:12:54,354 INFO L93 Difference]: Finished difference Result 5806 states and 6468 transitions. [2020-09-04 21:12:54,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-09-04 21:12:54,355 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 521 [2020-09-04 21:12:54,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:12:54,369 INFO L225 Difference]: With dead ends: 5806 [2020-09-04 21:12:54,369 INFO L226 Difference]: Without dead ends: 3118 [2020-09-04 21:12:54,378 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 121 SyntacticMatches, 3 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1116 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=801, Invalid=3489, Unknown=0, NotChecked=0, Total=4290 [2020-09-04 21:12:54,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3118 states. [2020-09-04 21:12:55,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3118 to 2843. [2020-09-04 21:12:55,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2843 states. [2020-09-04 21:12:55,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 2843 states and 3102 transitions. [2020-09-04 21:12:55,712 INFO L78 Accepts]: Start accepts. Automaton has 2843 states and 3102 transitions. Word has length 521 [2020-09-04 21:12:55,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:12:55,713 INFO L479 AbstractCegarLoop]: Abstraction has 2843 states and 3102 transitions. [2020-09-04 21:12:55,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-09-04 21:12:55,713 INFO L276 IsEmpty]: Start isEmpty. Operand 2843 states and 3102 transitions. [2020-09-04 21:12:55,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2020-09-04 21:12:55,722 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:12:55,723 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:12:55,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-04 21:12:55,723 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:12:55,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:12:55,723 INFO L82 PathProgramCache]: Analyzing trace with hash 905518903, now seen corresponding path program 1 times [2020-09-04 21:12:55,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:12:55,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [459098170] [2020-09-04 21:12:55,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:12:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,254 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:12:56,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:12:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:12:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:12:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:12:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:12:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:12:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:12:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:12:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:12:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:12:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:12:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:12:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-09-04 21:12:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-09-04 21:12:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:12:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:12:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:12:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:12:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:12:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-09-04 21:12:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:12:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:12:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:12:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:12:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2020-09-04 21:12:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2020-09-04 21:12:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-09-04 21:12:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:12:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:12:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:12:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2020-09-04 21:12:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-09-04 21:12:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:56,975 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 122 proven. 31 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2020-09-04 21:12:56,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [459098170] [2020-09-04 21:12:56,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:12:56,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-09-04 21:12:56,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113248436] [2020-09-04 21:12:56,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-09-04 21:12:56,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:12:56,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-09-04 21:12:56,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2020-09-04 21:12:56,976 INFO L87 Difference]: Start difference. First operand 2843 states and 3102 transitions. Second operand 22 states. [2020-09-04 21:12:57,650 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:12:58,112 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:12:58,452 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:12:58,789 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:59,121 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:12:59,443 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:00,551 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:02,559 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:02,958 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:13:03,379 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:03,798 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:04,144 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:13:04,520 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:13:04,855 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:05,236 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:13:05,604 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:06,065 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:13:06,425 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:06,796 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:13:09,354 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:13:10,039 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:13:10,669 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:13:12,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:13:12,535 INFO L93 Difference]: Finished difference Result 5346 states and 5926 transitions. [2020-09-04 21:13:12,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-09-04 21:13:12,535 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 522 [2020-09-04 21:13:12,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:13:12,549 INFO L225 Difference]: With dead ends: 5346 [2020-09-04 21:13:12,549 INFO L226 Difference]: Without dead ends: 2859 [2020-09-04 21:13:12,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 122 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1139 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=814, Invalid=3608, Unknown=0, NotChecked=0, Total=4422 [2020-09-04 21:13:12,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2859 states. [2020-09-04 21:13:13,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2859 to 2618. [2020-09-04 21:13:13,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2618 states. [2020-09-04 21:13:13,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2618 states to 2618 states and 2855 transitions. [2020-09-04 21:13:13,451 INFO L78 Accepts]: Start accepts. Automaton has 2618 states and 2855 transitions. Word has length 522 [2020-09-04 21:13:13,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:13:13,452 INFO L479 AbstractCegarLoop]: Abstraction has 2618 states and 2855 transitions. [2020-09-04 21:13:13,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-09-04 21:13:13,452 INFO L276 IsEmpty]: Start isEmpty. Operand 2618 states and 2855 transitions. [2020-09-04 21:13:13,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2020-09-04 21:13:13,462 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:13:13,463 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:13:13,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-04 21:13:13,463 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:13:13,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:13:13,464 INFO L82 PathProgramCache]: Analyzing trace with hash 32987117, now seen corresponding path program 1 times [2020-09-04 21:13:13,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:13:13,464 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [272834241] [2020-09-04 21:13:13,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:13:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:13,863 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:13:13,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:13,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:13:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:13,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:13:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:13,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:13:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:13,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:13:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:13,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:13:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:13,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:13:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:13,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:13:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:13,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:13,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:13,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:13:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:13,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:13,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:13,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:13:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:13,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:13:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:13,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:13,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:13,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:13,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:13:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:13:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:13:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:13:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:13:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:13:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-09-04 21:13:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-09-04 21:13:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:13:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:13:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:13:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2020-09-04 21:13:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2020-09-04 21:13:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-04 21:13:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-09-04 21:13:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:13:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:13:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-09-04 21:13:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2020-09-04 21:13:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:14,688 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 140 proven. 36 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2020-09-04 21:13:14,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [272834241] [2020-09-04 21:13:14,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:13:14,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:13:14,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350237427] [2020-09-04 21:13:14,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:13:14,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:13:14,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:13:14,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:13:14,691 INFO L87 Difference]: Start difference. First operand 2618 states and 2855 transitions. Second operand 18 states. [2020-09-04 21:13:15,342 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:17,703 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:18,056 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:13:18,715 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:13:19,053 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:13:19,660 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:13:20,006 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:13:20,600 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:13:21,036 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:21,397 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:13:21,720 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:22,047 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:24,179 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:24,534 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:13:27,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:13:27,651 INFO L93 Difference]: Finished difference Result 5306 states and 5964 transitions. [2020-09-04 21:13:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-09-04 21:13:27,652 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 526 [2020-09-04 21:13:27,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:13:27,667 INFO L225 Difference]: With dead ends: 5306 [2020-09-04 21:13:27,668 INFO L226 Difference]: Without dead ends: 3789 [2020-09-04 21:13:27,674 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 133 SyntacticMatches, 8 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1143 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=712, Invalid=3194, Unknown=0, NotChecked=0, Total=3906 [2020-09-04 21:13:27,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3789 states. [2020-09-04 21:13:28,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3789 to 3133. [2020-09-04 21:13:28,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3133 states. [2020-09-04 21:13:28,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 3133 states and 3408 transitions. [2020-09-04 21:13:28,848 INFO L78 Accepts]: Start accepts. Automaton has 3133 states and 3408 transitions. Word has length 526 [2020-09-04 21:13:28,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:13:28,849 INFO L479 AbstractCegarLoop]: Abstraction has 3133 states and 3408 transitions. [2020-09-04 21:13:28,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:13:28,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3133 states and 3408 transitions. [2020-09-04 21:13:28,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2020-09-04 21:13:28,854 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:13:28,855 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:13:28,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-04 21:13:28,855 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:13:28,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:13:28,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1372407434, now seen corresponding path program 1 times [2020-09-04 21:13:28,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:13:28,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1377903828] [2020-09-04 21:13:28,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:13:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,275 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:13:29,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:13:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:13:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:13:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:13:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:13:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:13:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:13:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:13:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:13:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:13:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:13:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:13:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:13:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:13:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:13:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:13:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-09-04 21:13:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-09-04 21:13:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:13:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:13:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:13:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:13:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-09-04 21:13:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-09-04 21:13:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2020-09-04 21:13:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2020-09-04 21:13:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:13:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:13:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-09-04 21:13:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2020-09-04 21:13:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:29,929 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 129 proven. 64 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2020-09-04 21:13:29,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1377903828] [2020-09-04 21:13:29,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:13:29,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:13:29,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550674324] [2020-09-04 21:13:29,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:13:29,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:13:29,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:13:29,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:13:29,932 INFO L87 Difference]: Start difference. First operand 3133 states and 3408 transitions. Second operand 18 states. [2020-09-04 21:13:30,594 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:32,261 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:33,268 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:33,627 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:13:34,304 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:13:34,713 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:35,364 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-04 21:13:35,710 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:13:36,321 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:13:36,994 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-04 21:13:37,679 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 21:13:38,298 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-04 21:13:38,621 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:41,035 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:41,392 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:13:42,730 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:43,860 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:44,204 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:13:44,842 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:13:45,162 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:13:45,817 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:13:46,140 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:13:46,748 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:13:47,104 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:13:47,484 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:13:47,825 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:13:52,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:13:52,462 INFO L93 Difference]: Finished difference Result 6831 states and 7728 transitions. [2020-09-04 21:13:52,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2020-09-04 21:13:52,463 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 537 [2020-09-04 21:13:52,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:13:52,485 INFO L225 Difference]: With dead ends: 6831 [2020-09-04 21:13:52,485 INFO L226 Difference]: Without dead ends: 5026 [2020-09-04 21:13:52,495 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 152 SyntacticMatches, 7 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3005 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=1471, Invalid=7271, Unknown=0, NotChecked=0, Total=8742 [2020-09-04 21:13:52,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5026 states. [2020-09-04 21:13:53,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5026 to 3852. [2020-09-04 21:13:53,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3852 states. [2020-09-04 21:13:53,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3852 states to 3852 states and 4179 transitions. [2020-09-04 21:13:53,905 INFO L78 Accepts]: Start accepts. Automaton has 3852 states and 4179 transitions. Word has length 537 [2020-09-04 21:13:53,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:13:53,905 INFO L479 AbstractCegarLoop]: Abstraction has 3852 states and 4179 transitions. [2020-09-04 21:13:53,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:13:53,905 INFO L276 IsEmpty]: Start isEmpty. Operand 3852 states and 4179 transitions. [2020-09-04 21:13:53,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2020-09-04 21:13:53,913 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:13:53,914 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 21:13:53,914 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-04 21:13:53,914 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:13:53,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:13:53,915 INFO L82 PathProgramCache]: Analyzing trace with hash -512513030, now seen corresponding path program 2 times [2020-09-04 21:13:53,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:13:53,915 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [477236491] [2020-09-04 21:13:53,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:13:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,344 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:13:54,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:13:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:13:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:13:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:13:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:13:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:13:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:13:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:13:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:13:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:13:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:13:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:13:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:13:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:13:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:13:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:13:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2020-09-04 21:13:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-09-04 21:13:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:13:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:13:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:13:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:13:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-09-04 21:13:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-09-04 21:13:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:13:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:13:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:13:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-09-04 21:13:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2020-09-04 21:13:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2020-09-04 21:13:54,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:13:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:13:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-09-04 21:13:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2020-09-04 21:13:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:54,936 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 246 proven. 5 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2020-09-04 21:13:54,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [477236491] [2020-09-04 21:13:54,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:13:54,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-04 21:13:54,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201890755] [2020-09-04 21:13:54,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 21:13:54,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:13:54,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 21:13:54,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:13:54,938 INFO L87 Difference]: Start difference. First operand 3852 states and 4179 transitions. Second operand 17 states. [2020-09-04 21:13:55,580 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:56,551 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:57,535 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:58,478 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:13:58,809 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:13:59,469 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:13:59,806 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:14:00,419 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:14:00,743 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:14:01,338 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:14:05,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:14:05,363 INFO L93 Difference]: Finished difference Result 6778 states and 7523 transitions. [2020-09-04 21:14:05,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-09-04 21:14:05,364 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 620 [2020-09-04 21:14:05,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:14:05,383 INFO L225 Difference]: With dead ends: 6778 [2020-09-04 21:14:05,383 INFO L226 Difference]: Without dead ends: 4301 [2020-09-04 21:14:05,391 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 150 SyntacticMatches, 4 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 817 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=603, Invalid=2259, Unknown=0, NotChecked=0, Total=2862 [2020-09-04 21:14:05,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4301 states. [2020-09-04 21:14:06,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4301 to 3654. [2020-09-04 21:14:06,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3654 states. [2020-09-04 21:14:06,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 3654 states and 3929 transitions. [2020-09-04 21:14:06,780 INFO L78 Accepts]: Start accepts. Automaton has 3654 states and 3929 transitions. Word has length 620 [2020-09-04 21:14:06,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:14:06,780 INFO L479 AbstractCegarLoop]: Abstraction has 3654 states and 3929 transitions. [2020-09-04 21:14:06,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 21:14:06,780 INFO L276 IsEmpty]: Start isEmpty. Operand 3654 states and 3929 transitions. [2020-09-04 21:14:06,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2020-09-04 21:14:06,787 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:14:06,787 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 21:14:06,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-04 21:14:06,788 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:14:06,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:14:06,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1049416397, now seen corresponding path program 2 times [2020-09-04 21:14:06,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:14:06,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [930474587] [2020-09-04 21:14:06,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:14:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,263 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:14:07,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:14:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:14:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:14:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:14:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:14:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:14:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:14:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:14:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:14:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:14:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:14:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:14:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:14:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:14:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:14:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:14:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2020-09-04 21:14:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-09-04 21:14:07,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:14:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:14:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:14:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:14:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-09-04 21:14:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-09-04 21:14:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:07,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:14:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:14:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:14:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:14:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2020-09-04 21:14:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2020-09-04 21:14:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2020-09-04 21:14:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2020-09-04 21:14:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:14:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:14:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2020-09-04 21:14:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2020-09-04 21:14:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,832 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 241 proven. 13 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2020-09-04 21:14:07,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [930474587] [2020-09-04 21:14:07,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:14:07,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-04 21:14:07,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843375240] [2020-09-04 21:14:07,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 21:14:07,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:14:07,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 21:14:07,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2020-09-04 21:14:07,835 INFO L87 Difference]: Start difference. First operand 3654 states and 3929 transitions. Second operand 14 states. [2020-09-04 21:14:08,451 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:14:09,253 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:14:10,092 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:14:12,896 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:14:15,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:14:15,980 INFO L93 Difference]: Finished difference Result 7200 states and 7963 transitions. [2020-09-04 21:14:15,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-09-04 21:14:15,980 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 635 [2020-09-04 21:14:15,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:14:15,997 INFO L225 Difference]: With dead ends: 7200 [2020-09-04 21:14:15,998 INFO L226 Difference]: Without dead ends: 4921 [2020-09-04 21:14:16,005 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 165 SyntacticMatches, 5 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=659, Invalid=2763, Unknown=0, NotChecked=0, Total=3422 [2020-09-04 21:14:16,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4921 states. [2020-09-04 21:14:17,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4921 to 4130. [2020-09-04 21:14:17,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4130 states. [2020-09-04 21:14:17,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4130 states to 4130 states and 4440 transitions. [2020-09-04 21:14:17,534 INFO L78 Accepts]: Start accepts. Automaton has 4130 states and 4440 transitions. Word has length 635 [2020-09-04 21:14:17,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:14:17,534 INFO L479 AbstractCegarLoop]: Abstraction has 4130 states and 4440 transitions. [2020-09-04 21:14:17,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 21:14:17,535 INFO L276 IsEmpty]: Start isEmpty. Operand 4130 states and 4440 transitions. [2020-09-04 21:14:17,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2020-09-04 21:14:17,542 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:14:17,543 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:14:17,543 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-04 21:14:17,543 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:14:17,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:14:17,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1108569240, now seen corresponding path program 1 times [2020-09-04 21:14:17,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:14:17,544 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2063279571] [2020-09-04 21:14:17,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:14:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,101 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:14:18,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:14:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:14:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:14:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:14:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:14:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:14:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:14:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:14:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:14:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:14:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:14:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:14:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:14:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:14:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:14:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:14:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-09-04 21:14:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-09-04 21:14:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:14:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:14:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:14:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:14:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-09-04 21:14:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-09-04 21:14:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-09-04 21:14:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:14:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:14:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:14:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 21:14:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:14:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-09-04 21:14:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2020-09-04 21:14:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2020-09-04 21:14:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:14:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:14:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2020-09-04 21:14:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:18,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2020-09-04 21:14:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:19,191 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 159 proven. 131 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2020-09-04 21:14:19,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2063279571] [2020-09-04 21:14:19,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:14:19,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-09-04 21:14:19,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597979922] [2020-09-04 21:14:19,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-09-04 21:14:19,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:14:19,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-09-04 21:14:19,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2020-09-04 21:14:19,193 INFO L87 Difference]: Start difference. First operand 4130 states and 4440 transitions. Second operand 25 states. [2020-09-04 21:14:20,192 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-04 21:14:21,722 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-04 21:14:24,120 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 21:14:24,813 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-04 21:14:25,539 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-09-04 21:14:26,201 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 21:14:26,883 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 193 [2020-09-04 21:14:27,549 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-04 21:14:28,187 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-09-04 21:14:28,868 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:14:29,535 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-04 21:14:30,154 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:14:33,053 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-04 21:14:34,314 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 21:14:34,976 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-04 21:14:35,635 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-09-04 21:14:36,311 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 193 [2020-09-04 21:14:36,944 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-09-04 21:14:39,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:14:39,812 INFO L93 Difference]: Finished difference Result 6833 states and 7421 transitions. [2020-09-04 21:14:39,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-09-04 21:14:39,813 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 635 [2020-09-04 21:14:39,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:14:39,815 INFO L225 Difference]: With dead ends: 6833 [2020-09-04 21:14:39,816 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 21:14:39,828 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 155 SyntacticMatches, 11 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1597 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=862, Invalid=4688, Unknown=0, NotChecked=0, Total=5550 [2020-09-04 21:14:39,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 21:14:39,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 21:14:39,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 21:14:39,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 21:14:39,830 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 635 [2020-09-04 21:14:39,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:14:39,831 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 21:14:39,831 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-09-04 21:14:39,831 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 21:14:39,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 21:14:39,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-04 21:14:39,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 21:14:40,263 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:14:40,639 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:14:41,051 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:14:42,542 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 253 DAG size of output: 238 [2020-09-04 21:14:42,937 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:14:43,874 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 21:14:44,497 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 229 [2020-09-04 21:14:45,060 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:14:45,720 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 231 [2020-09-04 21:14:46,098 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:14:47,777 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 255 DAG size of output: 242 [2020-09-04 21:14:48,163 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:14:48,553 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:14:49,082 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:14:49,493 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:14:50,392 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:14:50,781 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:14:51,574 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:14:51,962 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:14:52,341 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:14:53,363 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:14:53,752 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:14:54,141 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:14:54,536 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:14:55,050 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:14:55,417 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:14:55,812 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:14:56,208 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:14:56,597 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:14:56,978 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:14:57,368 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:14:57,764 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:14:58,423 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:14:58,817 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:14:59,245 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:14:59,669 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-09-04 21:15:00,083 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 21:15:00,490 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:15:00,916 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:15:01,321 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:15:01,729 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:15:02,167 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:15:02,588 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:15:03,030 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:15:03,449 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:15:03,867 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:15:04,305 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:15:04,730 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 21:15:05,163 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:15:05,589 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-09-04 21:15:06,010 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:15:06,433 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 21:15:06,853 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 21:15:07,287 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:15:07,705 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 21:15:08,124 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:15:08,567 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:15:08,978 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 21:15:09,402 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-09-04 21:15:09,813 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 21:15:10,252 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 21:15:10,691 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 241 [2020-09-04 21:15:11,122 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2020-09-04 21:15:11,543 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 21:15:11,986 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:15:12,404 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 21:15:12,827 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-09-04 21:15:13,274 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 244 [2020-09-04 21:15:13,707 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 240 [2020-09-04 21:15:14,149 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-09-04 21:15:14,582 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 240 [2020-09-04 21:15:15,006 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 21:15:15,438 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:15:15,873 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 239 [2020-09-04 21:15:16,321 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 244 [2020-09-04 21:15:16,761 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 241 [2020-09-04 21:15:17,193 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 21:15:17,626 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 237 [2020-09-04 21:15:18,060 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 239 [2020-09-04 21:15:18,501 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:15:18,929 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2020-09-04 21:15:19,352 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 21:15:19,811 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 21:15:20,237 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2020-09-04 21:15:20,676 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 241 [2020-09-04 21:15:21,103 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 237 [2020-09-04 21:15:21,490 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:15:22,017 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:15:23,037 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:15:23,937 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:15:24,594 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:15:25,384 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:15:25,756 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:15:26,148 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:15:26,510 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:15:26,879 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:15:27,249 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:15:28,642 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 253 DAG size of output: 238 [2020-09-04 21:15:29,157 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:15:29,537 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:15:29,914 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:15:31,688 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 255 DAG size of output: 242 [2020-09-04 21:15:32,590 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 21:15:33,212 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 229 [2020-09-04 21:15:33,772 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:15:34,149 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:15:34,530 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:15:35,188 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 231 [2020-09-04 21:15:35,578 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:15:35,965 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:15:36,353 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:15:36,739 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:15:37,158 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:15:37,566 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:15:37,963 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:15:38,354 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 21:15:38,773 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:15:39,162 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 21:15:39,561 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:15:39,976 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:15:40,377 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:15:40,801 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:15:41,201 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:15:41,609 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:15:42,024 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:15:42,435 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:15:42,850 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:15:43,260 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:15:43,655 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 21:15:44,055 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:15:44,458 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:15:44,884 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:15:45,282 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:15:45,690 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:15:46,117 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:15:46,513 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:15:46,921 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:15:47,317 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:15:53,753 WARN L193 SmtUtils]: Spent 6.43 s on a formula simplification. DAG size of input: 618 DAG size of output: 497 [2020-09-04 21:15:54,176 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:15:54,599 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-09-04 21:15:55,012 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 21:15:55,417 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:15:55,844 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:15:56,247 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:15:56,654 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:15:57,086 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:15:57,502 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:15:57,934 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:15:58,351 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:15:58,768 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:15:59,191 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:15:59,612 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 21:16:00,043 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:16:00,468 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-09-04 21:16:00,886 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:16:01,301 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 21:16:01,719 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 21:16:02,152 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:16:02,564 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 21:16:02,979 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:16:03,422 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:16:03,834 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 21:16:04,257 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-09-04 21:16:04,668 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 21:16:05,066 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:16:05,461 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:16:05,865 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:16:06,255 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:16:06,635 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:16:07,024 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:16:07,477 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:16:08,681 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 246 DAG size of output: 236 [2020-09-04 21:16:09,076 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:16:09,464 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:16:09,855 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:16:10,241 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:16:10,618 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:16:10,998 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:16:11,367 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:16:11,759 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:16:12,129 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:16:12,510 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:16:12,899 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:16:13,280 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:16:13,667 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:16:14,582 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 234 [2020-09-04 21:16:14,969 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:16:15,348 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:16:15,733 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:16:16,113 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:16:16,504 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:16:16,887 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:16:17,275 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:16:17,647 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:16:18,035 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:16:18,411 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:16:19,596 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 244 DAG size of output: 235 [2020-09-04 21:16:19,980 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:16:20,380 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:16:21,040 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:16:21,710 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 248 [2020-09-04 21:16:22,341 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 242 [2020-09-04 21:16:22,982 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 244 [2020-09-04 21:16:23,633 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 245 [2020-09-04 21:16:24,262 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 242 [2020-09-04 21:16:24,905 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 249 [2020-09-04 21:16:25,569 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:16:26,198 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 242 [2020-09-04 21:16:27,820 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 286 DAG size of output: 257 [2020-09-04 21:16:28,462 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 249 [2020-09-04 21:16:29,109 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:16:29,750 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 244 [2020-09-04 21:16:31,141 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 276 DAG size of output: 253 [2020-09-04 21:16:31,785 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 244 [2020-09-04 21:16:32,425 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 243 [2020-09-04 21:16:33,068 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 243 [2020-09-04 21:16:33,738 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 248 [2020-09-04 21:16:34,388 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:16:35,040 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 245 [2020-09-04 21:16:35,702 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:16:36,363 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:16:37,023 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:16:37,676 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:16:38,231 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:16:38,856 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 234 [2020-09-04 21:16:39,422 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:16:39,977 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:16:40,606 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 234 [2020-09-04 21:16:41,173 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:16:41,729 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:16:42,272 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:16:42,888 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 232 [2020-09-04 21:16:43,431 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:16:45,434 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 263 DAG size of output: 236 [2020-09-04 21:16:45,990 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:16:46,604 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 232 [2020-09-04 21:16:48,645 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2020-09-04 21:16:49,208 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:16:49,764 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:16:50,157 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:16:50,556 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:16:50,948 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:16:51,334 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:16:51,736 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:16:52,129 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:16:52,514 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:16:52,890 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:16:53,283 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:16:53,659 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:16:54,844 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 244 DAG size of output: 235 [2020-09-04 21:16:55,233 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:16:55,625 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:16:56,831 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 246 DAG size of output: 236 [2020-09-04 21:16:57,223 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:16:57,607 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:16:58,081 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:16:58,484 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:16:58,886 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:16:59,288 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:16:59,692 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:17:00,096 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:17:00,510 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:17:00,925 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:17:01,319 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:17:01,735 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:17:02,144 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:17:03,128 WARN L193 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 21:17:03,541 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:17:03,953 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:17:04,359 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:17:04,761 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:17:05,232 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:17:05,626 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:17:06,702 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 249 DAG size of output: 239 [2020-09-04 21:17:07,106 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:17:07,514 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:17:07,911 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:17:08,303 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:17:08,700 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:17:09,101 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:17:09,489 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:17:09,866 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:17:10,256 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:17:10,632 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:17:11,835 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 246 DAG size of output: 236 [2020-09-04 21:17:12,229 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:17:12,616 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:17:13,008 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:17:13,393 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:17:13,772 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:17:14,152 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:17:14,521 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:17:14,913 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:17:15,283 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:17:15,665 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:17:16,055 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:17:16,436 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:17:16,823 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:17:17,736 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 234 [2020-09-04 21:17:18,120 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:17:18,500 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:17:18,884 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:17:19,264 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:17:19,655 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:17:20,038 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:17:20,427 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:17:20,802 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:17:21,189 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:17:21,566 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:17:22,749 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 244 DAG size of output: 235 [2020-09-04 21:17:23,134 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:17:23,532 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:17:23,904 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:17:24,285 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:17:25,712 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 242 DAG size of output: 241 [2020-09-04 21:17:26,094 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:17:26,473 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:17:26,862 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:17:27,746 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 230 [2020-09-04 21:17:29,469 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 248 DAG size of output: 245 [2020-09-04 21:17:30,445 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:17:30,824 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:17:31,728 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 232 [2020-09-04 21:17:32,108 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:17:32,493 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:17:32,877 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:17:33,251 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:17:33,632 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:17:35,309 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2020-09-04 21:17:35,675 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:17:36,365 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 233 [2020-09-04 21:17:37,083 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-09-04 21:17:37,462 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:17:38,396 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 238 [2020-09-04 21:17:38,804 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:17:39,177 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:17:39,553 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:17:39,925 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:17:40,287 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:17:42,340 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 252 DAG size of output: 248 [2020-09-04 21:17:43,110 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:17:43,477 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:17:43,864 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:17:44,236 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:17:44,617 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:17:44,997 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:17:45,385 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:17:45,771 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:17:47,755 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 259 DAG size of output: 244 [2020-09-04 21:17:48,127 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:17:48,504 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:17:48,894 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:17:49,271 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:17:51,114 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 261 DAG size of output: 246 [2020-09-04 21:17:51,692 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 21:17:52,073 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:17:53,384 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:17:54,297 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 232 [2020-09-04 21:17:55,226 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 234 [2020-09-04 21:17:55,617 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:17:56,001 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:17:56,392 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:17:57,047 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 21:17:57,442 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:17:58,137 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 230 [2020-09-04 21:17:58,525 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:17:59,099 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:17:59,597 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:17:59,981 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:18:00,373 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:18:00,752 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:18:01,121 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:18:01,503 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:18:01,891 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:18:02,289 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:18:02,651 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:18:03,040 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:18:03,416 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:18:03,803 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:18:04,179 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:18:04,573 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:18:05,029 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:18:05,416 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:18:05,793 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:18:06,173 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:18:06,544 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:18:06,928 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:18:07,580 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:18:08,169 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:18:08,562 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:18:09,024 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 21:18:09,472 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:18:10,841 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 261 DAG size of output: 250 [2020-09-04 21:18:11,283 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:18:12,619 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 263 DAG size of output: 252 [2020-09-04 21:18:13,080 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 21:18:13,493 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:18:13,889 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:18:15,095 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 246 DAG size of output: 236 [2020-09-04 21:18:15,496 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:18:16,688 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 244 DAG size of output: 235 [2020-09-04 21:18:17,083 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:18:17,534 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-09-04 21:18:19,245 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 248 DAG size of output: 247 [2020-09-04 21:18:19,679 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:18:20,120 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:18:20,572 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:18:21,589 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 21:18:23,234 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 254 DAG size of output: 248 [2020-09-04 21:18:24,480 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:18:24,921 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 244 [2020-09-04 21:18:25,960 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 249 DAG size of output: 239 [2020-09-04 21:18:26,402 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:18:26,849 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 21:18:27,298 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 21:18:27,731 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:18:28,174 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-09-04 21:18:30,107 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 252 DAG size of output: 251 [2020-09-04 21:18:30,534 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:18:32,021 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 261 DAG size of output: 257 [2020-09-04 21:18:33,058 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 255 DAG size of output: 250 [2020-09-04 21:18:33,468 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:18:34,613 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 249 DAG size of output: 244 [2020-09-04 21:18:35,077 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-09-04 21:18:35,479 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:18:35,918 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 244 [2020-09-04 21:18:36,353 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:18:36,777 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:18:39,217 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 258 DAG size of output: 256 [2020-09-04 21:18:40,059 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 254 [2020-09-04 21:18:40,487 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 21:18:40,905 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:18:41,339 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:18:41,750 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:18:42,194 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-09-04 21:18:42,645 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:18:43,062 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:18:45,320 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 274 DAG size of output: 263 [2020-09-04 21:18:45,754 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:18:46,193 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 244 [2020-09-04 21:18:46,645 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:18:47,084 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 244 [2020-09-04 21:18:48,921 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 276 DAG size of output: 268 [2020-09-04 21:18:49,756 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:18:50,166 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:18:51,848 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 257 DAG size of output: 250 [2020-09-04 21:18:52,901 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 248 DAG size of output: 239 [2020-09-04 21:18:53,969 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 250 DAG size of output: 241 [2020-09-04 21:18:54,395 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:18:54,842 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 21:18:55,294 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:18:56,138 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 21:18:56,564 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:18:57,599 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 257 DAG size of output: 253 [2020-09-04 21:18:58,052 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:18:58,883 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:18:59,834 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 250 [2020-09-04 21:19:00,282 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 21:19:00,704 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:19:01,114 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:19:01,545 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:19:01,987 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-09-04 21:19:02,405 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:19:02,870 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 248 [2020-09-04 21:19:03,295 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:19:03,748 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:19:04,187 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 244 [2020-09-04 21:19:04,638 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:19:05,077 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:19:05,534 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-09-04 21:19:05,944 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:19:06,392 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-09-04 21:19:06,832 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 244 [2020-09-04 21:19:07,241 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:19:07,675 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:19:08,121 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-09-04 21:19:08,957 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:19:09,757 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 248 [2020-09-04 21:19:10,213 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-09-04 21:19:10,811 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:19:11,438 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 234 [2020-09-04 21:19:12,036 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:19:12,620 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:19:13,253 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 234 [2020-09-04 21:19:13,853 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:19:14,442 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:19:15,017 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:19:15,633 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 232 [2020-09-04 21:19:16,208 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:19:18,211 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 269 DAG size of output: 236 [2020-09-04 21:19:18,802 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:19:19,415 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 232 [2020-09-04 21:19:21,571 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 271 DAG size of output: 237 [2020-09-04 21:19:22,164 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:19:22,753 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:19:23,143 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:19:23,522 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:19:23,900 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:19:24,284 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:19:24,654 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:19:25,028 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:19:25,416 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:19:25,795 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:19:26,173 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:19:26,543 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:19:28,630 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:19:29,157 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:19:30,216 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:19:31,116 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:19:31,772 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:19:32,562 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:19:32,934 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:19:33,325 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:19:33,693 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:19:34,062 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:19:34,430 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:19:35,821 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 253 DAG size of output: 238 [2020-09-04 21:19:36,336 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:19:36,715 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:19:37,091 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:19:38,776 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 255 DAG size of output: 242 [2020-09-04 21:19:39,677 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 21:19:40,297 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 229 [2020-09-04 21:19:40,858 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:19:41,235 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:19:41,616 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:19:42,274 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 231 [2020-09-04 21:19:42,665 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:19:43,056 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:19:43,444 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:19:43,833 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:19:45,452 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:19:45,887 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:19:46,334 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:19:46,768 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:19:47,190 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:19:47,624 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:19:48,045 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:19:49,220 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 254 DAG size of output: 244 [2020-09-04 21:19:49,661 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:19:50,094 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:19:50,532 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:19:50,962 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:19:51,385 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:19:51,811 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:19:52,225 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:19:52,663 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:19:53,078 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:19:53,504 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:19:53,940 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:19:54,367 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:19:54,801 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:19:55,847 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2020-09-04 21:19:56,279 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:19:56,704 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:19:57,206 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:19:57,632 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:19:58,069 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:19:58,499 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:19:58,933 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:19:59,352 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:19:59,783 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:20:00,205 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:20:01,347 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 252 DAG size of output: 242 [2020-09-04 21:20:01,778 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:20:02,224 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:20:02,599 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:20:02,994 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 33 [2020-09-04 21:20:03,381 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 31 [2020-09-04 21:20:03,780 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 34 [2020-09-04 21:20:04,174 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 32 [2020-09-04 21:20:04,577 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 33 [2020-09-04 21:20:04,969 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 32 [2020-09-04 21:20:05,800 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 238 [2020-09-04 21:20:06,193 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 32 [2020-09-04 21:20:06,588 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 31 [2020-09-04 21:20:06,981 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 33 [2020-09-04 21:20:07,373 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 33 [2020-09-04 21:20:07,774 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 34 [2020-09-04 21:20:08,165 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 32 [2020-09-04 21:20:08,566 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 34 [2020-09-04 21:20:08,958 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 32 [2020-09-04 21:20:09,357 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 34 [2020-09-04 21:20:09,752 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 31 [2020-09-04 21:20:10,151 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 34 [2020-09-04 21:20:10,536 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 31 [2020-09-04 21:20:11,350 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 236 [2020-09-04 21:20:11,728 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:20:12,572 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-09-04 21:20:13,416 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-09-04 21:20:14,294 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 233 [2020-09-04 21:20:15,635 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 242 DAG size of output: 242 [2020-09-04 21:20:16,004 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:20:17,345 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 242 DAG size of output: 242 [2020-09-04 21:20:19,333 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 259 DAG size of output: 244 [2020-09-04 21:20:19,715 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:20:20,102 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:20:20,500 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:20:20,863 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:20:22,860 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 259 DAG size of output: 244 [2020-09-04 21:20:23,225 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:20:24,103 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 233 [2020-09-04 21:20:24,481 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:20:25,060 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:20:25,434 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:20:27,428 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 259 DAG size of output: 244 [2020-09-04 21:20:28,406 WARN L193 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:20:28,782 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:20:29,158 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:20:30,034 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 233 [2020-09-04 21:20:30,611 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 21:20:30,976 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:20:31,353 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:20:32,550 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 248 DAG size of output: 237 [2020-09-04 21:20:32,931 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:20:34,925 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 259 DAG size of output: 244 [2020-09-04 21:20:35,504 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:20:35,876 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:20:36,254 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:20:37,490 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:20:38,728 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:20:39,703 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:20:40,139 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:20:40,560 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:20:40,978 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:20:41,398 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:20:41,816 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:20:42,233 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:20:42,663 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:20:43,093 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:20:43,503 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:20:43,934 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:20:44,359 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:20:45,519 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-09-04 21:20:45,947 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:20:46,374 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:20:46,795 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:20:47,212 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:20:47,622 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:20:48,031 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:20:48,991 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 242 [2020-09-04 21:20:49,409 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:20:49,833 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:20:50,244 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:20:58,548 WARN L193 SmtUtils]: Spent 8.30 s on a formula simplification. DAG size of input: 707 DAG size of output: 542 [2020-09-04 21:20:58,918 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:21:07,211 WARN L193 SmtUtils]: Spent 8.29 s on a formula simplification. DAG size of input: 707 DAG size of output: 542 [2020-09-04 21:21:07,576 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:21:07,959 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:21:08,527 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:21:09,145 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 229 [2020-09-04 21:21:09,522 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:21:10,420 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 21:21:11,081 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 231 [2020-09-04 21:21:11,443 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:21:12,460 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:21:12,834 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:21:13,360 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:21:14,019 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:21:15,412 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 253 DAG size of output: 238 [2020-09-04 21:21:15,792 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:21:16,157 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:21:16,527 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:21:17,426 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:21:18,216 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:21:19,891 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 255 DAG size of output: 242 [2020-09-04 21:21:20,406 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:21:21,588 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:21:23,387 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:21:23,795 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:21:24,198 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:21:24,610 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:21:25,013 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:21:25,417 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:21:25,823 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:21:26,222 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:21:26,633 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:21:27,044 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:21:27,455 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:21:27,857 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:21:28,253 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:21:28,651 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:21:29,057 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:21:29,464 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:21:29,862 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:21:30,251 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:21:30,646 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:21:31,034 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:21:31,424 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:21:31,823 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:21:32,209 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:21:32,603 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:21:32,983 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:21:33,389 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:21:33,777 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:21:34,961 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 244 DAG size of output: 235 [2020-09-04 21:21:35,345 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:21:35,739 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:21:36,128 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:21:36,525 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:21:36,918 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:21:37,305 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:21:38,509 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 246 DAG size of output: 236 [2020-09-04 21:21:38,890 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:21:39,273 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:21:39,664 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:21:48,014 WARN L193 SmtUtils]: Spent 8.35 s on a formula simplification. DAG size of input: 707 DAG size of output: 542 [2020-09-04 21:21:48,429 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:21:48,836 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:21:49,239 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:21:49,650 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:21:50,054 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:21:50,458 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:21:50,864 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:21:51,263 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:21:51,673 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:21:52,088 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:21:52,498 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:21:52,900 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:21:53,295 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:21:53,693 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:21:54,098 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:21:54,504 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:22:03,070 WARN L193 SmtUtils]: Spent 8.56 s on a formula simplification. DAG size of input: 542 DAG size of output: 425 [2020-09-04 21:22:07,571 WARN L193 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 514 DAG size of output: 404 [2020-09-04 21:22:15,861 WARN L193 SmtUtils]: Spent 8.29 s on a formula simplification. DAG size of input: 707 DAG size of output: 542 [2020-09-04 21:22:16,261 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:22:16,653 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:22:17,041 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:22:17,439 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:22:17,829 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:22:18,218 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:22:18,610 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:22:18,994 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:22:19,388 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:22:19,785 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:22:20,180 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:22:20,567 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:22:20,947 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:22:21,331 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:22:21,723 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:22:22,115 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:22:30,385 WARN L193 SmtUtils]: Spent 8.27 s on a formula simplification. DAG size of input: 707 DAG size of output: 542 [2020-09-04 21:22:30,756 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:22:31,182 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:22:31,602 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:22:32,027 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:22:32,445 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:22:32,920 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:22:33,350 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:22:33,769 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:22:34,194 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:22:34,603 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:22:35,040 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:22:35,457 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:22:36,471 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-09-04 21:22:36,885 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:22:37,310 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:22:37,728 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:22:38,155 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:22:38,577 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:22:38,994 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:22:40,099 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 252 DAG size of output: 242 [2020-09-04 21:22:40,510 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:22:40,923 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:22:41,344 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:22:41,732 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:22:42,127 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:22:42,514 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:22:42,903 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:22:43,301 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:22:43,697 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:22:44,092 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:22:44,484 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:22:45,041 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:22:45,418 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:22:46,077 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 231 [2020-09-04 21:22:47,103 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:22:47,632 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:22:47,995 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:22:48,655 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:22:49,554 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:22:50,344 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:22:50,715 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:22:51,084 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:22:52,481 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 253 DAG size of output: 238 [2020-09-04 21:22:52,844 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:22:53,221 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:22:53,737 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:22:55,414 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 255 DAG size of output: 242 [2020-09-04 21:22:56,040 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 229 [2020-09-04 21:22:56,936 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 21:22:57,351 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:22:57,762 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:22:58,167 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:22:58,578 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:22:58,981 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:22:59,383 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:22:59,797 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:23:00,199 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:23:00,608 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:23:01,002 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:23:01,424 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:23:01,826 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:23:02,665 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 21:23:03,064 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:23:03,474 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:23:03,880 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:23:04,291 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:23:04,698 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:23:05,100 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:23:06,055 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 239 [2020-09-04 21:23:06,451 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:23:06,849 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:23:07,256 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:23:08,340 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:23:08,733 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:23:09,133 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:23:09,524 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:23:09,923 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:23:10,307 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:23:10,695 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:23:11,095 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:23:11,495 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:23:12,679 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 244 DAG size of output: 235 [2020-09-04 21:23:13,072 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:23:13,464 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:23:13,859 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:23:14,243 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:23:15,448 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 246 DAG size of output: 236 [2020-09-04 21:23:15,841 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:23:16,212 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:23:16,588 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:23:17,236 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:23:17,905 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 248 [2020-09-04 21:23:18,535 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 242 [2020-09-04 21:23:19,179 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 244 [2020-09-04 21:23:19,829 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 245 [2020-09-04 21:23:20,457 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 242 [2020-09-04 21:23:21,099 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 249 [2020-09-04 21:23:21,763 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:23:22,391 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 242 [2020-09-04 21:23:24,017 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 286 DAG size of output: 257 [2020-09-04 21:23:24,658 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 249 [2020-09-04 21:23:25,305 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:23:25,945 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 244 [2020-09-04 21:23:27,336 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 276 DAG size of output: 253 [2020-09-04 21:23:27,981 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 244 [2020-09-04 21:23:28,620 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 243 [2020-09-04 21:23:29,270 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 243 [2020-09-04 21:23:29,940 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 248 [2020-09-04 21:23:30,587 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:23:31,238 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 245 [2020-09-04 21:23:31,952 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:23:32,612 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:23:33,273 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:23:33,925 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:23:34,314 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:23:35,432 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 258 DAG size of output: 250 [2020-09-04 21:23:35,859 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:23:36,293 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:23:36,734 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:23:37,159 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:23:38,254 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 256 DAG size of output: 248 [2020-09-04 21:23:38,684 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:23:41,364 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 274 DAG size of output: 260 [2020-09-04 21:23:42,460 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 256 DAG size of output: 248 [2020-09-04 21:23:42,895 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:23:45,531 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 276 DAG size of output: 262 [2020-09-04 21:23:45,968 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:23:46,403 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:23:46,840 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:23:47,955 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 258 DAG size of output: 250 [2020-09-04 21:23:48,398 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:23:48,793 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:23:49,192 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:23:49,573 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:23:49,967 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:23:50,357 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:23:50,737 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:23:51,107 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:23:51,507 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:23:51,884 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:23:52,261 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:23:52,632 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:23:53,018 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:23:54,201 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 244 DAG size of output: 235 [2020-09-04 21:23:54,594 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:23:54,983 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:23:55,372 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:23:55,764 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:23:56,141 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:23:57,351 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 246 DAG size of output: 236 [2020-09-04 21:23:57,721 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:23:58,105 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:23:58,490 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:23:58,878 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:23:59,256 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:23:59,638 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:24:00,045 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:24:00,434 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:24:00,835 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:24:01,224 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:24:01,612 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:24:02,000 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:24:02,385 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:24:02,769 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:24:03,437 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 232 [2020-09-04 21:24:04,148 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 233 [2020-09-04 21:24:04,337 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 28 [2020-09-04 21:24:04,555 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 30 [2020-09-04 21:24:04,753 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 26 [2020-09-04 21:24:04,951 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 29 [2020-09-04 21:24:05,654 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 233 [2020-09-04 21:24:06,360 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 233 [2020-09-04 21:24:07,028 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 232 [2020-09-04 21:24:07,225 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 27 [2020-09-04 21:24:07,407 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 28 [2020-09-04 21:24:08,120 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 235 [2020-09-04 21:24:08,787 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 232 [2020-09-04 21:24:09,033 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 29 [2020-09-04 21:24:09,217 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 28 [2020-09-04 21:24:09,920 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 233 [2020-09-04 21:24:10,590 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 232 [2020-09-04 21:24:10,836 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 29 [2020-09-04 21:24:11,088 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 31 [2020-09-04 21:24:11,805 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 235 [2020-09-04 21:24:12,071 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-09-04 21:24:12,254 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 28 [2020-09-04 21:24:12,507 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 31 [2020-09-04 21:24:12,695 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 26 [2020-09-04 21:24:12,888 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 26 [2020-09-04 21:24:13,142 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 29 [2020-09-04 21:24:13,856 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 235 [2020-09-04 21:24:14,105 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 29 [2020-09-04 21:24:15,579 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:24:15,977 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:24:16,358 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:24:16,749 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:24:17,140 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:24:17,519 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:24:17,889 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:24:18,289 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:24:18,667 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:24:19,043 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:24:19,414 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:24:19,800 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:24:20,985 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 244 DAG size of output: 235 [2020-09-04 21:24:21,377 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:24:21,764 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:24:22,153 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:24:22,544 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:24:22,920 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:24:24,127 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 246 DAG size of output: 236 [2020-09-04 21:24:24,496 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:24:24,879 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:24:25,296 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:24:25,686 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:24:26,064 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:24:26,459 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230