/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_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 21:12:25,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 21:12:25,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 21:12:25,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 21:12:25,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 21:12:25,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 21:12:25,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 21:12:25,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 21:12:25,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 21:12:25,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 21:12:25,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 21:12:25,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 21:12:25,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 21:12:25,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 21:12:25,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 21:12:25,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 21:12:25,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 21:12:25,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 21:12:25,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 21:12:25,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 21:12:25,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 21:12:25,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 21:12:25,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 21:12:25,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 21:12:25,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 21:12:25,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 21:12:25,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 21:12:25,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 21:12:25,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 21:12:25,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 21:12:25,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 21:12:25,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 21:12:25,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 21:12:25,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 21:12:25,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 21:12:25,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 21:12:25,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 21:12:25,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 21:12:25,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 21:12:25,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 21:12:25,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 21:12:25,514 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 21:12:25,527 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 21:12:25,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 21:12:25,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 21:12:25,529 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 21:12:25,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 21:12:25,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 21:12:25,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 21:12:25,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 21:12:25,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 21:12:25,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 21:12:25,531 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 21:12:25,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 21:12:25,532 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 21:12:25,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 21:12:25,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 21:12:25,533 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 21:12:25,533 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 21:12:25,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 21:12:25,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 21:12:25,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 21:12:25,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 21:12:25,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 21:12:25,534 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 21:12:25,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 21:12:25,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 21:12:25,995 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 21:12:25,997 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 21:12:25,998 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 21:12:25,999 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-09-04 21:12:26,087 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a084f454e/49010f6d6bf3414d9e3827556128623a/FLAG9c2c417cc [2020-09-04 21:12:26,683 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 21:12:26,686 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-09-04 21:12:26,713 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a084f454e/49010f6d6bf3414d9e3827556128623a/FLAG9c2c417cc [2020-09-04 21:12:26,969 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a084f454e/49010f6d6bf3414d9e3827556128623a [2020-09-04 21:12:26,982 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 21:12:26,984 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 21:12:26,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 21:12:26,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 21:12:26,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 21:12:26,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:12:26" (1/1) ... [2020-09-04 21:12:26,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c06c3ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:12:26, skipping insertion in model container [2020-09-04 21:12:26,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:12:26" (1/1) ... [2020-09-04 21:12:27,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 21:12:27,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 21:12:27,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:12:27,512 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 21:12:27,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:12:27,638 INFO L208 MainTranslator]: Completed translation [2020-09-04 21:12:27,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:12:27 WrapperNode [2020-09-04 21:12:27,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 21:12:27,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 21:12:27,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 21:12:27,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 21:12:27,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:12:27" (1/1) ... [2020-09-04 21:12:27,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:12:27" (1/1) ... [2020-09-04 21:12:27,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:12:27" (1/1) ... [2020-09-04 21:12:27,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:12:27" (1/1) ... [2020-09-04 21:12:27,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:12:27" (1/1) ... [2020-09-04 21:12:27,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:12:27" (1/1) ... [2020-09-04 21:12:27,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:12:27" (1/1) ... [2020-09-04 21:12:27,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 21:12:27,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 21:12:27,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 21:12:27,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 21:12:27,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:12:27" (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 21:12:27,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 21:12:27,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 21:12:27,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 21:12:27,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 21:12:27,845 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 21:12:27,845 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 21:12:27,845 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-04 21:12:27,845 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 21:12:27,846 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-04 21:12:27,846 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 21:12:27,846 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 21:12:27,846 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 21:12:27,846 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 21:12:27,847 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 21:12:27,847 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 21:12:27,847 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-04 21:12:27,847 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 21:12:27,847 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 21:12:27,848 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 21:12:27,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 21:12:27,848 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 21:12:27,848 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 21:12:27,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 21:12:27,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 21:12:27,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 21:12:27,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 21:12:27,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 21:12:27,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 21:12:27,853 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 21:12:27,853 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 21:12:27,853 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 21:12:27,853 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 21:12:27,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-04 21:12:27,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-04 21:12:27,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-04 21:12:27,854 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 21:12:27,854 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 21:12:27,854 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 21:12:27,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 21:12:27,856 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 21:12:27,856 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 21:12:27,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 21:12:27,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 21:12:27,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 21:12:27,857 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 21:12:27,857 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 21:12:27,857 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 21:12:27,857 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 21:12:27,857 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 21:12:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 21:12:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 21:12:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 21:12:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 21:12:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 21:12:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 21:12:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-04 21:12:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-04 21:12:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-04 21:12:27,859 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 21:12:27,859 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 21:12:27,859 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 21:12:27,859 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-04 21:12:27,859 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 21:12:27,859 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-04 21:12:27,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 21:12:27,859 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 21:12:27,859 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 21:12:27,859 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 21:12:27,860 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 21:12:27,860 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 21:12:27,860 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 21:12:27,860 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-04 21:12:27,860 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 21:12:27,860 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 21:12:27,861 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 21:12:27,861 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 21:12:27,861 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 21:12:27,861 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 21:12:27,861 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 21:12:27,861 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 21:12:27,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 21:12:27,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 21:12:27,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 21:12:27,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 21:12:27,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 21:12:27,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 21:12:27,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 21:12:27,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 21:12:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 21:12:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 21:12:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 21:12:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 21:12:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 21:12:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 21:12:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 21:12:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 21:12:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 21:12:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 21:12:28,923 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 21:12:28,923 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 21:12:28,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:12:28 BoogieIcfgContainer [2020-09-04 21:12:28,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 21:12:28,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 21:12:28,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 21:12:28,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 21:12:28,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 09:12:26" (1/3) ... [2020-09-04 21:12:28,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a07e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:12:28, skipping insertion in model container [2020-09-04 21:12:28,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:12:27" (2/3) ... [2020-09-04 21:12:28,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a07e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:12:28, skipping insertion in model container [2020-09-04 21:12:28,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:12:28" (3/3) ... [2020-09-04 21:12:28,940 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2020-09-04 21:12:28,952 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 21:12:28,965 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 21:12:28,989 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 21:12:29,018 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 21:12:29,018 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 21:12:29,018 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 21:12:29,018 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 21:12:29,019 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 21:12:29,019 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 21:12:29,019 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 21:12:29,019 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 21:12:29,044 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states. [2020-09-04 21:12:29,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-04 21:12:29,068 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:12:29,070 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 21:12:29,070 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:12:29,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:12:29,079 INFO L82 PathProgramCache]: Analyzing trace with hash 41211657, now seen corresponding path program 1 times [2020-09-04 21:12:29,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:12:29,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [949773277] [2020-09-04 21:12:29,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:12:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:29,877 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:12:29,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:30,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:12:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:30,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:12:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:30,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:12:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:30,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:12:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:30,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:12:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:30,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 21:12:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:30,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:30,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 21:12:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:30,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 21:12:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:30,083 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 21:12:30,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [949773277] [2020-09-04 21:12:30,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:12:30,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 21:12:30,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562637009] [2020-09-04 21:12:30,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 21:12:30,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:12:30,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 21:12:30,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 21:12:30,115 INFO L87 Difference]: Start difference. First operand 334 states. Second operand 4 states. [2020-09-04 21:12:31,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:12:31,541 INFO L93 Difference]: Finished difference Result 530 states and 624 transitions. [2020-09-04 21:12:31,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 21:12:31,544 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-04 21:12:31,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:12:31,565 INFO L225 Difference]: With dead ends: 530 [2020-09-04 21:12:31,566 INFO L226 Difference]: Without dead ends: 332 [2020-09-04 21:12:31,572 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 21:12:31,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-09-04 21:12:31,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 283. [2020-09-04 21:12:31,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-09-04 21:12:31,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 310 transitions. [2020-09-04 21:12:31,771 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 310 transitions. Word has length 160 [2020-09-04 21:12:31,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:12:31,774 INFO L479 AbstractCegarLoop]: Abstraction has 283 states and 310 transitions. [2020-09-04 21:12:31,774 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 21:12:31,775 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 310 transitions. [2020-09-04 21:12:31,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-04 21:12:31,791 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:12:31,791 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 21:12:31,793 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 21:12:31,793 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:12:31,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:12:31,794 INFO L82 PathProgramCache]: Analyzing trace with hash -902563244, now seen corresponding path program 1 times [2020-09-04 21:12:31,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:12:31,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1914268314] [2020-09-04 21:12:31,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:12:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:32,295 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:12:32,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:32,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:12:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:32,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:12:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:32,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:12:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:32,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:12:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:32,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:12:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:32,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:12:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:32,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:32,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:12:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:32,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:12:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:32,422 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 21:12:32,423 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1914268314] [2020-09-04 21:12:32,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:12:32,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 21:12:32,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069048932] [2020-09-04 21:12:32,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 21:12:32,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:12:32,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 21:12:32,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 21:12:32,430 INFO L87 Difference]: Start difference. First operand 283 states and 310 transitions. Second operand 5 states. [2020-09-04 21:12:33,167 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:12:34,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:12:34,410 INFO L93 Difference]: Finished difference Result 453 states and 512 transitions. [2020-09-04 21:12:34,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 21:12:34,412 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-04 21:12:34,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:12:34,416 INFO L225 Difference]: With dead ends: 453 [2020-09-04 21:12:34,416 INFO L226 Difference]: Without dead ends: 321 [2020-09-04 21:12:34,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 21:12:34,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-09-04 21:12:34,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 273. [2020-09-04 21:12:34,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-09-04 21:12:34,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 297 transitions. [2020-09-04 21:12:34,498 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 297 transitions. Word has length 161 [2020-09-04 21:12:34,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:12:34,498 INFO L479 AbstractCegarLoop]: Abstraction has 273 states and 297 transitions. [2020-09-04 21:12:34,498 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 21:12:34,499 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 297 transitions. [2020-09-04 21:12:34,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-04 21:12:34,501 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:12:34,501 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] [2020-09-04 21:12:34,501 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 21:12:34,502 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:12:34,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:12:34,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1967698974, now seen corresponding path program 1 times [2020-09-04 21:12:34,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:12:34,503 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1252469168] [2020-09-04 21:12:34,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:12:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:34,927 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:12:34,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:35,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:12:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:35,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:12:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:35,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:12:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:35,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:12:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:35,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:12:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:35,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:12:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:35,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:35,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 21:12:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:35,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-04 21:12:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:35,243 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 21:12:35,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1252469168] [2020-09-04 21:12:35,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:12:35,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 21:12:35,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364256659] [2020-09-04 21:12:35,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 21:12:35,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:12:35,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 21:12:35,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 21:12:35,257 INFO L87 Difference]: Start difference. First operand 273 states and 297 transitions. Second operand 10 states. [2020-09-04 21:12:35,935 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:12:36,416 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:36,664 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:12:36,965 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:37,274 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:12:37,572 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:38,796 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:12:40,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:12:40,991 INFO L93 Difference]: Finished difference Result 734 states and 845 transitions. [2020-09-04 21:12:40,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 21:12:40,991 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 170 [2020-09-04 21:12:40,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:12:40,997 INFO L225 Difference]: With dead ends: 734 [2020-09-04 21:12:40,997 INFO L226 Difference]: Without dead ends: 576 [2020-09-04 21:12:40,999 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-04 21:12:41,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2020-09-04 21:12:41,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 503. [2020-09-04 21:12:41,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states. [2020-09-04 21:12:41,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 567 transitions. [2020-09-04 21:12:41,168 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 567 transitions. Word has length 170 [2020-09-04 21:12:41,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:12:41,168 INFO L479 AbstractCegarLoop]: Abstraction has 503 states and 567 transitions. [2020-09-04 21:12:41,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 21:12:41,169 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 567 transitions. [2020-09-04 21:12:41,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-04 21:12:41,172 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:12:41,172 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:12:41,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 21:12:41,173 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:12:41,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:12:41,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1112258490, now seen corresponding path program 1 times [2020-09-04 21:12:41,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:12:41,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [917113174] [2020-09-04 21:12:41,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:12:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:41,606 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:12:41,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:41,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:12:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:41,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:12:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:41,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:12:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:41,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:12:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:41,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:12:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:41,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-04 21:12:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:41,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 21:12:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:41,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:41,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-04 21:12:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:41,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-04 21:12:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:41,792 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 21:12:41,792 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [917113174] [2020-09-04 21:12:41,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:12:41,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 21:12:41,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30664399] [2020-09-04 21:12:41,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 21:12:41,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:12:41,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 21:12:41,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 21:12:41,794 INFO L87 Difference]: Start difference. First operand 503 states and 567 transitions. Second operand 10 states. [2020-09-04 21:12:42,335 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:12:43,244 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:43,597 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:12:44,965 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:45,251 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:12:45,581 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:45,970 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:12:46,264 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:46,603 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:12:47,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:12:47,493 INFO L93 Difference]: Finished difference Result 1178 states and 1405 transitions. [2020-09-04 21:12:47,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 21:12:47,496 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-04 21:12:47,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:12:47,503 INFO L225 Difference]: With dead ends: 1178 [2020-09-04 21:12:47,503 INFO L226 Difference]: Without dead ends: 790 [2020-09-04 21:12:47,505 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-04 21:12:47,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-09-04 21:12:47,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 701. [2020-09-04 21:12:47,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2020-09-04 21:12:47,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 787 transitions. [2020-09-04 21:12:47,757 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 787 transitions. Word has length 179 [2020-09-04 21:12:47,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:12:47,758 INFO L479 AbstractCegarLoop]: Abstraction has 701 states and 787 transitions. [2020-09-04 21:12:47,758 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 21:12:47,758 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 787 transitions. [2020-09-04 21:12:47,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-04 21:12:47,762 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:12:47,762 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 21:12:47,762 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 21:12:47,763 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:12:47,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:12:47,763 INFO L82 PathProgramCache]: Analyzing trace with hash 212621173, now seen corresponding path program 1 times [2020-09-04 21:12:47,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:12:47,764 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [399229072] [2020-09-04 21:12:47,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:12:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:48,098 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:12:48,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:48,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:12:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:48,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:12:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:48,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:12:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:48,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:12:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:48,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:12:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:48,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:12:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:48,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:48,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:12:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:48,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:48,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:48,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:12:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:48,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:12:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:48,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:48,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:48,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:12:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:48,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-04 21:12:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:48,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-04 21:12:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:48,387 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 21:12:48,388 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [399229072] [2020-09-04 21:12:48,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:12:48,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 21:12:48,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066642283] [2020-09-04 21:12:48,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 21:12:48,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:12:48,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 21:12:48,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 21:12:48,390 INFO L87 Difference]: Start difference. First operand 701 states and 787 transitions. Second operand 10 states. [2020-09-04 21:12:49,951 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:50,278 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:12:50,626 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:12:50,942 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:12:51,260 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:51,555 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:12:52,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:12:52,707 INFO L93 Difference]: Finished difference Result 1426 states and 1690 transitions. [2020-09-04 21:12:52,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 21:12:52,709 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 230 [2020-09-04 21:12:52,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:12:52,715 INFO L225 Difference]: With dead ends: 1426 [2020-09-04 21:12:52,715 INFO L226 Difference]: Without dead ends: 840 [2020-09-04 21:12:52,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:12:52,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2020-09-04 21:12:52,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 720. [2020-09-04 21:12:52,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2020-09-04 21:12:52,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 807 transitions. [2020-09-04 21:12:52,950 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 807 transitions. Word has length 230 [2020-09-04 21:12:52,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:12:52,951 INFO L479 AbstractCegarLoop]: Abstraction has 720 states and 807 transitions. [2020-09-04 21:12:52,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 21:12:52,951 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 807 transitions. [2020-09-04 21:12:52,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-04 21:12:52,955 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:12:52,955 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 21:12:52,955 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 21:12:52,956 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:12:52,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:12:52,956 INFO L82 PathProgramCache]: Analyzing trace with hash 880367573, now seen corresponding path program 1 times [2020-09-04 21:12:52,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:12:52,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1710864227] [2020-09-04 21:12:52,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:12:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:53,320 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:12:53,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:53,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:12:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:53,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:12:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:53,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:12:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:53,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:12:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:53,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:12:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:53,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:12:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:53,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:53,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:12:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:53,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:53,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:53,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:12:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:53,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:12:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:53,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:53,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:53,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:12:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:53,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-04 21:12:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:53,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-04 21:12:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:53,597 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:12:53,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1710864227] [2020-09-04 21:12:53,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:12:53,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-04 21:12:53,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619999127] [2020-09-04 21:12:53,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 21:12:53,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:12:53,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 21:12:53,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-09-04 21:12:53,602 INFO L87 Difference]: Start difference. First operand 720 states and 807 transitions. Second operand 13 states. [2020-09-04 21:12:54,260 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:54,575 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:12:54,885 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:12:55,194 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:55,488 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:12:56,688 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:12:57,003 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:57,341 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:12:57,697 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:58,005 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:12:59,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:12:59,426 INFO L93 Difference]: Finished difference Result 1463 states and 1728 transitions. [2020-09-04 21:12:59,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 21:12:59,427 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 230 [2020-09-04 21:12:59,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:12:59,433 INFO L225 Difference]: With dead ends: 1463 [2020-09-04 21:12:59,433 INFO L226 Difference]: Without dead ends: 858 [2020-09-04 21:12:59,435 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 41 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 21:12:59,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-09-04 21:12:59,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 732. [2020-09-04 21:12:59,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 732 states. [2020-09-04 21:12:59,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 819 transitions. [2020-09-04 21:12:59,657 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 819 transitions. Word has length 230 [2020-09-04 21:12:59,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:12:59,658 INFO L479 AbstractCegarLoop]: Abstraction has 732 states and 819 transitions. [2020-09-04 21:12:59,658 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 21:12:59,658 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 819 transitions. [2020-09-04 21:12:59,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-04 21:12:59,662 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:12:59,662 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 21:12:59,663 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 21:12:59,663 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:12:59,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:12:59,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1607472850, now seen corresponding path program 1 times [2020-09-04 21:12:59,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:12:59,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1739497192] [2020-09-04 21:12:59,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:12:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:00,059 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:13:00,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:00,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:13:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:00,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:13:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:00,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:13:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:00,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:13:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:00,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:13:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:00,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:13:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:00,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:00,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:13:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:00,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:00,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:00,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:13:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:00,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:13:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:00,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:00,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:00,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:00,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-04 21:13:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:00,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-04 21:13:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:00,277 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:13:00,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1739497192] [2020-09-04 21:13:00,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:13:00,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 21:13:00,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505114520] [2020-09-04 21:13:00,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 21:13:00,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:13:00,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 21:13:00,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-04 21:13:00,280 INFO L87 Difference]: Start difference. First operand 732 states and 819 transitions. Second operand 7 states. [2020-09-04 21:13:00,777 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:01,525 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:04,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:13:04,181 INFO L93 Difference]: Finished difference Result 2149 states and 2562 transitions. [2020-09-04 21:13:04,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 21:13:04,182 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2020-09-04 21:13:04,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:13:04,189 INFO L225 Difference]: With dead ends: 2149 [2020-09-04 21:13:04,189 INFO L226 Difference]: Without dead ends: 1532 [2020-09-04 21:13:04,191 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-04 21:13:04,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2020-09-04 21:13:04,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1408. [2020-09-04 21:13:04,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1408 states. [2020-09-04 21:13:04,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1408 states and 1604 transitions. [2020-09-04 21:13:04,547 INFO L78 Accepts]: Start accepts. Automaton has 1408 states and 1604 transitions. Word has length 230 [2020-09-04 21:13:04,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:13:04,548 INFO L479 AbstractCegarLoop]: Abstraction has 1408 states and 1604 transitions. [2020-09-04 21:13:04,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 21:13:04,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 1604 transitions. [2020-09-04 21:13:04,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-04 21:13:04,554 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:13:04,555 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:13:04,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 21:13:04,555 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:13:04,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:13:04,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1130657052, now seen corresponding path program 1 times [2020-09-04 21:13:04,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:13:04,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1870985987] [2020-09-04 21:13:04,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:13:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:05,054 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:13:05,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:05,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:13:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:05,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:13:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:05,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:13:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:05,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:13:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:05,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:13:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:05,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:13:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:05,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 21:13:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:05,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:05,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 21:13:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:05,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:05,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:05,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:13:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:05,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:13:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:05,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:05,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:05,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:05,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-04 21:13:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:05,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 21:13:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:05,360 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:13:05,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1870985987] [2020-09-04 21:13:05,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:13:05,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 21:13:05,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726237402] [2020-09-04 21:13:05,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 21:13:05,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:13:05,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 21:13:05,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-09-04 21:13:05,363 INFO L87 Difference]: Start difference. First operand 1408 states and 1604 transitions. Second operand 14 states. [2020-09-04 21:13:06,238 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 21:13:07,129 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:08,466 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-04 21:13:09,085 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 21:13:09,525 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:13:09,855 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:13:10,472 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-04 21:13:10,803 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:13:11,179 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:13:11,495 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:13:14,379 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 21:13:15,073 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:15,375 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:13:15,813 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:13:17,010 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-04 21:13:17,595 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-04 21:13:18,210 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 21:13:18,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:13:18,963 INFO L93 Difference]: Finished difference Result 4039 states and 4833 transitions. [2020-09-04 21:13:18,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-09-04 21:13:18,964 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 235 [2020-09-04 21:13:18,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:13:18,979 INFO L225 Difference]: With dead ends: 4039 [2020-09-04 21:13:18,979 INFO L226 Difference]: Without dead ends: 3023 [2020-09-04 21:13:18,984 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2020-09-04 21:13:18,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3023 states. [2020-09-04 21:13:20,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3023 to 2589. [2020-09-04 21:13:20,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2589 states. [2020-09-04 21:13:20,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2589 states to 2589 states and 2929 transitions. [2020-09-04 21:13:20,039 INFO L78 Accepts]: Start accepts. Automaton has 2589 states and 2929 transitions. Word has length 235 [2020-09-04 21:13:20,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:13:20,040 INFO L479 AbstractCegarLoop]: Abstraction has 2589 states and 2929 transitions. [2020-09-04 21:13:20,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 21:13:20,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2589 states and 2929 transitions. [2020-09-04 21:13:20,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-09-04 21:13:20,045 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:13:20,046 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 21:13:20,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 21:13:20,046 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:13:20,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:13:20,046 INFO L82 PathProgramCache]: Analyzing trace with hash 684822519, now seen corresponding path program 1 times [2020-09-04 21:13:20,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:13:20,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [125767118] [2020-09-04 21:13:20,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:13:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,470 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:13:20,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:13:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:13:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:13:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:13:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:13:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:13:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:13:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:13:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:13:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:13:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:13:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-09-04 21:13:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-04 21:13:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-09-04 21:13:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:13:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2020-09-04 21:13:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:20,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2020-09-04 21:13:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:21,093 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 21:13:21,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [125767118] [2020-09-04 21:13:21,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:13:21,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:13:21,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907404189] [2020-09-04 21:13:21,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:13:21,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:13:21,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:13:21,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:13:21,100 INFO L87 Difference]: Start difference. First operand 2589 states and 2929 transitions. Second operand 18 states. [2020-09-04 21:13:21,934 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:13:22,259 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:13:22,577 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:13:22,893 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:23,192 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:13:24,233 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:13:24,642 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 21:13:25,001 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:13:25,415 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:13:25,804 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:13:26,347 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:13:26,806 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-09-04 21:13:27,177 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:13:29,293 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:30,366 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:13:31,012 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:13:31,644 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 21:13:32,179 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:33,049 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:13:33,786 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:13:34,170 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:13:34,918 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-04 21:13:35,599 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-09-04 21:13:36,601 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-09-04 21:13:37,104 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:13:37,823 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-04 21:13:39,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:13:39,262 INFO L93 Difference]: Finished difference Result 5495 states and 6348 transitions. [2020-09-04 21:13:39,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-09-04 21:13:39,262 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 317 [2020-09-04 21:13:39,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:13:39,278 INFO L225 Difference]: With dead ends: 5495 [2020-09-04 21:13:39,279 INFO L226 Difference]: Without dead ends: 3283 [2020-09-04 21:13:39,287 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1431 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=934, Invalid=4322, Unknown=0, NotChecked=0, Total=5256 [2020-09-04 21:13:39,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2020-09-04 21:13:40,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 2995. [2020-09-04 21:13:40,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2995 states. [2020-09-04 21:13:40,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 3338 transitions. [2020-09-04 21:13:40,369 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 3338 transitions. Word has length 317 [2020-09-04 21:13:40,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:13:40,372 INFO L479 AbstractCegarLoop]: Abstraction has 2995 states and 3338 transitions. [2020-09-04 21:13:40,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:13:40,372 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 3338 transitions. [2020-09-04 21:13:40,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2020-09-04 21:13:40,383 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:13:40,384 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 21:13:40,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 21:13:40,384 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:13:40,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:13:40,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1969896623, now seen corresponding path program 1 times [2020-09-04 21:13:40,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:13:40,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [510969960] [2020-09-04 21:13:40,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:13:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:40,800 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:13:40,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:40,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:13:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:40,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:13:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:40,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:13:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:40,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:13:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:40,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:13:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:40,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:13:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:40,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:13:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:40,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:40,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:40,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:13:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:40,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:40,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:40,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:13:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:40,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:13:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:40,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:40,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:40,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:40,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:40,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:13:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:13:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:13:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:13:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:13:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-09-04 21:13:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:13:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:13:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:13:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2020-09-04 21:13:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2020-09-04 21:13:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2020-09-04 21:13:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:13:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:13:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2020-09-04 21:13:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2020-09-04 21:13:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:41,562 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 21:13:41,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [510969960] [2020-09-04 21:13:41,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:13:41,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-04 21:13:41,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331988112] [2020-09-04 21:13:41,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-04 21:13:41,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:13:41,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-04 21:13:41,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2020-09-04 21:13:41,565 INFO L87 Difference]: Start difference. First operand 2995 states and 3338 transitions. Second operand 16 states. [2020-09-04 21:13:43,253 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:13:43,575 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:13:43,930 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:44,282 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:13:44,588 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:44,898 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:46,520 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:46,866 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:13:50,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:13:50,147 INFO L93 Difference]: Finished difference Result 7995 states and 9183 transitions. [2020-09-04 21:13:50,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-04 21:13:50,148 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 505 [2020-09-04 21:13:50,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:13:50,174 INFO L225 Difference]: With dead ends: 7995 [2020-09-04 21:13:50,174 INFO L226 Difference]: Without dead ends: 4678 [2020-09-04 21:13:50,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 113 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=292, Invalid=968, Unknown=0, NotChecked=0, Total=1260 [2020-09-04 21:13:50,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4678 states. [2020-09-04 21:13:51,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4678 to 4068. [2020-09-04 21:13:51,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4068 states. [2020-09-04 21:13:51,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4068 states to 4068 states and 4617 transitions. [2020-09-04 21:13:51,568 INFO L78 Accepts]: Start accepts. Automaton has 4068 states and 4617 transitions. Word has length 505 [2020-09-04 21:13:51,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:13:51,569 INFO L479 AbstractCegarLoop]: Abstraction has 4068 states and 4617 transitions. [2020-09-04 21:13:51,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-04 21:13:51,570 INFO L276 IsEmpty]: Start isEmpty. Operand 4068 states and 4617 transitions. [2020-09-04 21:13:51,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2020-09-04 21:13:51,583 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:13:51,583 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 21:13:51,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 21:13:51,584 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:13:51,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:13:51,584 INFO L82 PathProgramCache]: Analyzing trace with hash 130245076, now seen corresponding path program 1 times [2020-09-04 21:13:51,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:13:51,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1955410716] [2020-09-04 21:13:51,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:13:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:51,939 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:13:51,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:51,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:13:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:51,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:13:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:51,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:13:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:51,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:13:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:13:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:13:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:13:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:13:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:13:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:13:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:13:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:13:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:13:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:13:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:13:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:13:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-09-04 21:13:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:13:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:13:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:13:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:52,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2020-09-04 21:13:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-09-04 21:13:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:13:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:13:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2020-09-04 21:13:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2020-09-04 21:13:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:52,624 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 21:13:52,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1955410716] [2020-09-04 21:13:52,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:13:52,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:13:52,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199342235] [2020-09-04 21:13:52,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:13:52,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:13:52,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:13:52,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:13:52,627 INFO L87 Difference]: Start difference. First operand 4068 states and 4617 transitions. Second operand 18 states. [2020-09-04 21:13:53,244 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:53,673 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:13:54,006 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:13:54,335 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:54,662 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:13:54,972 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:55,983 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:13:56,339 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:13:58,009 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:13:58,399 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:13:59,218 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:13:59,722 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:14:00,573 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:14:00,903 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:14:02,039 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:14:02,390 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:14:02,703 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:14:04,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:14:04,372 INFO L93 Difference]: Finished difference Result 7752 states and 8888 transitions. [2020-09-04 21:14:04,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-04 21:14:04,375 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 511 [2020-09-04 21:14:04,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:14:04,397 INFO L225 Difference]: With dead ends: 7752 [2020-09-04 21:14:04,398 INFO L226 Difference]: Without dead ends: 4093 [2020-09-04 21:14:04,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 452 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=414, Invalid=1748, Unknown=0, NotChecked=0, Total=2162 [2020-09-04 21:14:04,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4093 states. [2020-09-04 21:14:05,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4093 to 3973. [2020-09-04 21:14:05,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3973 states. [2020-09-04 21:14:05,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3973 states to 3973 states and 4480 transitions. [2020-09-04 21:14:05,947 INFO L78 Accepts]: Start accepts. Automaton has 3973 states and 4480 transitions. Word has length 511 [2020-09-04 21:14:05,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:14:05,948 INFO L479 AbstractCegarLoop]: Abstraction has 3973 states and 4480 transitions. [2020-09-04 21:14:05,948 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:14:05,948 INFO L276 IsEmpty]: Start isEmpty. Operand 3973 states and 4480 transitions. [2020-09-04 21:14:05,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 513 [2020-09-04 21:14:05,960 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:14:05,961 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 21:14:05,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 21:14:05,961 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:14:05,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:14:05,962 INFO L82 PathProgramCache]: Analyzing trace with hash -832455977, now seen corresponding path program 1 times [2020-09-04 21:14:05,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:14:05,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [960707834] [2020-09-04 21:14:05,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:14:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,349 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:14:06,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:14:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:14:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:14:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:14:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:14:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:14:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:14:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:14:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:14:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:14:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:14:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:14:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:14:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:14:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:14:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:14:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-09-04 21:14:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:14:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:14:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:14:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2020-09-04 21:14:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-04 21:14:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:14:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:14:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2020-09-04 21:14:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:06,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2020-09-04 21:14:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:07,062 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 21:14:07,063 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [960707834] [2020-09-04 21:14:07,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:14:07,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-04 21:14:07,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7169773] [2020-09-04 21:14:07,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-04 21:14:07,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:14:07,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-04 21:14:07,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-09-04 21:14:07,065 INFO L87 Difference]: Start difference. First operand 3973 states and 4480 transitions. Second operand 16 states. [2020-09-04 21:14:07,580 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:14:08,782 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:14:12,210 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:12,677 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:13,177 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:13,655 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:14:14,062 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:14,395 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:14:14,717 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:15,074 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:15,422 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:14:15,834 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:14:16,177 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:14:16,529 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:14:18,245 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:18,892 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 21:14:19,563 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 21:14:19,989 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:14:20,367 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:14:20,719 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:14:23,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:14:23,484 INFO L93 Difference]: Finished difference Result 11397 states and 13066 transitions. [2020-09-04 21:14:23,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-09-04 21:14:23,484 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 512 [2020-09-04 21:14:23,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:14:23,522 INFO L225 Difference]: With dead ends: 11397 [2020-09-04 21:14:23,522 INFO L226 Difference]: Without dead ends: 7552 [2020-09-04 21:14:23,535 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 120 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=491, Invalid=1959, Unknown=0, NotChecked=0, Total=2450 [2020-09-04 21:14:23,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7552 states. [2020-09-04 21:14:25,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7552 to 7355. [2020-09-04 21:14:25,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7355 states. [2020-09-04 21:14:25,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7355 states to 7355 states and 8200 transitions. [2020-09-04 21:14:25,936 INFO L78 Accepts]: Start accepts. Automaton has 7355 states and 8200 transitions. Word has length 512 [2020-09-04 21:14:25,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:14:25,937 INFO L479 AbstractCegarLoop]: Abstraction has 7355 states and 8200 transitions. [2020-09-04 21:14:25,937 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-04 21:14:25,937 INFO L276 IsEmpty]: Start isEmpty. Operand 7355 states and 8200 transitions. [2020-09-04 21:14:25,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2020-09-04 21:14:25,950 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:14:25,951 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 21:14:25,951 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 21:14:25,951 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:14:25,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:14:25,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1056118833, now seen corresponding path program 1 times [2020-09-04 21:14:25,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:14:25,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [901751692] [2020-09-04 21:14:25,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:14:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,324 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:14:26,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:14:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:14:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:14:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:14:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:14:26,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:14:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:14:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 21:14:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:14:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:14:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:14:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:14:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-09-04 21:14:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:14:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:14:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:14:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:14:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-09-04 21:14:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:14:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:14:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:14:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2020-09-04 21:14:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2020-09-04 21:14:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:26,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:27,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-09-04 21:14:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:27,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:27,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:27,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:14:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:27,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:14:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:27,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:27,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:27,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:27,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2020-09-04 21:14:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:27,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2020-09-04 21:14:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:27,177 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 21:14:27,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [901751692] [2020-09-04 21:14:27,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:14:27,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-09-04 21:14:27,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808095653] [2020-09-04 21:14:27,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-09-04 21:14:27,179 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:14:27,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-09-04 21:14:27,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2020-09-04 21:14:27,180 INFO L87 Difference]: Start difference. First operand 7355 states and 8200 transitions. Second operand 22 states. [2020-09-04 21:14:27,822 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:14:28,282 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:14:28,619 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:14:28,953 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:29,285 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:14:29,597 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:30,903 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:14:33,755 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:34,142 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:34,549 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:34,952 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:35,292 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:35,651 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:35,980 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:36,372 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:36,735 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:37,186 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:37,532 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:37,914 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:38,641 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:14:39,476 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:14:40,109 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:14:44,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:14:44,799 INFO L93 Difference]: Finished difference Result 14608 states and 16657 transitions. [2020-09-04 21:14:44,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-09-04 21:14:44,799 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 521 [2020-09-04 21:14:44,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:14:44,830 INFO L225 Difference]: With dead ends: 14608 [2020-09-04 21:14:44,831 INFO L226 Difference]: Without dead ends: 7933 [2020-09-04 21:14:44,849 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 124 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1197 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=880, Invalid=3676, Unknown=0, NotChecked=0, Total=4556 [2020-09-04 21:14:44,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7933 states. [2020-09-04 21:14:47,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7933 to 7005. [2020-09-04 21:14:47,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7005 states. [2020-09-04 21:14:47,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7005 states to 7005 states and 7765 transitions. [2020-09-04 21:14:47,912 INFO L78 Accepts]: Start accepts. Automaton has 7005 states and 7765 transitions. Word has length 521 [2020-09-04 21:14:47,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:14:47,913 INFO L479 AbstractCegarLoop]: Abstraction has 7005 states and 7765 transitions. [2020-09-04 21:14:47,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-09-04 21:14:47,913 INFO L276 IsEmpty]: Start isEmpty. Operand 7005 states and 7765 transitions. [2020-09-04 21:14:47,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2020-09-04 21:14:47,927 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:14:47,927 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 21:14:47,927 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 21:14:47,927 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:14:47,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:14:47,928 INFO L82 PathProgramCache]: Analyzing trace with hash 150624261, now seen corresponding path program 1 times [2020-09-04 21:14:47,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:14:47,928 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [711283148] [2020-09-04 21:14:47,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:14:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,302 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:14:48,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:14:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:14:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:14:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:14:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:14:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:14:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:14:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:14:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:14:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:14:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:14:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-09-04 21:14:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-09-04 21:14:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:48,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:14:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:14:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:14:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:14:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-09-04 21:14:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:14:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:14:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:14:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2020-09-04 21:14:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2020-09-04 21:14:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-04 21:14:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-09-04 21:14:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:14:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:14:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-09-04 21:14:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:48,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2020-09-04 21:14:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:49,029 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 123 proven. 31 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2020-09-04 21:14:49,030 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [711283148] [2020-09-04 21:14:49,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:14:49,030 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-09-04 21:14:49,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352686017] [2020-09-04 21:14:49,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-09-04 21:14:49,031 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:14:49,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-09-04 21:14:49,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2020-09-04 21:14:49,032 INFO L87 Difference]: Start difference. First operand 7005 states and 7765 transitions. Second operand 22 states. [2020-09-04 21:14:49,664 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:14:50,124 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:14:50,458 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:14:50,797 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:51,130 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:14:51,442 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:52,576 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:14:55,470 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:55,870 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:56,279 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:56,741 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:57,086 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:57,454 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:57,778 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:58,169 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:58,525 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:58,980 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:59,322 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:59,685 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:15:02,091 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:15:02,761 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:15:03,385 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:15:06,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:15:06,320 INFO L93 Difference]: Finished difference Result 13778 states and 15638 transitions. [2020-09-04 21:15:06,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-09-04 21:15:06,321 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 526 [2020-09-04 21:15:06,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:15:06,350 INFO L225 Difference]: With dead ends: 13778 [2020-09-04 21:15:06,350 INFO L226 Difference]: Without dead ends: 7453 [2020-09-04 21:15:06,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 127 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1221 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=895, Invalid=3797, Unknown=0, NotChecked=0, Total=4692 [2020-09-04 21:15:06,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7453 states. [2020-09-04 21:15:08,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7453 to 6513. [2020-09-04 21:15:08,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6513 states. [2020-09-04 21:15:08,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6513 states to 6513 states and 7213 transitions. [2020-09-04 21:15:08,485 INFO L78 Accepts]: Start accepts. Automaton has 6513 states and 7213 transitions. Word has length 526 [2020-09-04 21:15:08,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:15:08,486 INFO L479 AbstractCegarLoop]: Abstraction has 6513 states and 7213 transitions. [2020-09-04 21:15:08,486 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-09-04 21:15:08,486 INFO L276 IsEmpty]: Start isEmpty. Operand 6513 states and 7213 transitions. [2020-09-04 21:15:08,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2020-09-04 21:15:08,498 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:15:08,499 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 21:15:08,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-04 21:15:08,499 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:15:08,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:15:08,499 INFO L82 PathProgramCache]: Analyzing trace with hash -508828733, now seen corresponding path program 2 times [2020-09-04 21:15:08,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:15:08,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1613680806] [2020-09-04 21:15:08,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:15:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:08,911 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:15:08,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:08,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:15:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:08,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:15:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:08,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:15:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:08,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:15:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:08,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:15:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:08,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:15:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:08,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:15:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:08,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:08,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:15:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:15:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:15:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:09,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:15:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:15:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:15:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:15:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:15:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:15:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-09-04 21:15:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-09-04 21:15:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:15:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:15:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:15:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2020-09-04 21:15:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2020-09-04 21:15:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-04 21:15:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-09-04 21:15:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:15:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:15:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-09-04 21:15:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2020-09-04 21:15:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:09,632 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 21:15:09,632 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1613680806] [2020-09-04 21:15:09,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:15:09,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:15:09,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722127228] [2020-09-04 21:15:09,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:15:09,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:15:09,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:15:09,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:15:09,634 INFO L87 Difference]: Start difference. First operand 6513 states and 7213 transitions. Second operand 18 states. [2020-09-04 21:15:10,277 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:15:12,200 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:12,571 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:15:13,327 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:15:13,672 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:15:14,284 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:15:14,614 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:15:15,209 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:15:15,586 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:15,956 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:15:16,282 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:16,623 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:15:18,438 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:18,791 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:15:25,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:15:25,247 INFO L93 Difference]: Finished difference Result 13728 states and 15831 transitions. [2020-09-04 21:15:25,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-09-04 21:15:25,248 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 526 [2020-09-04 21:15:25,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:15:25,286 INFO L225 Difference]: With dead ends: 13728 [2020-09-04 21:15:25,287 INFO L226 Difference]: Without dead ends: 9831 [2020-09-04 21:15:25,301 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 137 SyntacticMatches, 8 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1029 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=719, Invalid=3063, Unknown=0, NotChecked=0, Total=3782 [2020-09-04 21:15:25,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9831 states. [2020-09-04 21:15:27,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9831 to 7762. [2020-09-04 21:15:27,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7762 states. [2020-09-04 21:15:27,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7762 states to 7762 states and 8572 transitions. [2020-09-04 21:15:27,880 INFO L78 Accepts]: Start accepts. Automaton has 7762 states and 8572 transitions. Word has length 526 [2020-09-04 21:15:27,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:15:27,881 INFO L479 AbstractCegarLoop]: Abstraction has 7762 states and 8572 transitions. [2020-09-04 21:15:27,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:15:27,881 INFO L276 IsEmpty]: Start isEmpty. Operand 7762 states and 8572 transitions. [2020-09-04 21:15:27,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2020-09-04 21:15:27,896 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:15:27,897 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 21:15:27,897 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-04 21:15:27,897 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:15:27,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:15:27,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1830661454, now seen corresponding path program 1 times [2020-09-04 21:15:27,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:15:27,898 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [184968912] [2020-09-04 21:15:27,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:15:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,354 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:15:28,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:15:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:15:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:15:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:15:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:15:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:15:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:15:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:15:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:15:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:15:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:15:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:15:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:15:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:15:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:15:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:15:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-09-04 21:15:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-09-04 21:15:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:15:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:15:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:15:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:15:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-09-04 21:15:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-09-04 21:15:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2020-09-04 21:15:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2020-09-04 21:15:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:15:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:15:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-09-04 21:15:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2020-09-04 21:15:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:29,034 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 21:15:29,035 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [184968912] [2020-09-04 21:15:29,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:15:29,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:15:29,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698575720] [2020-09-04 21:15:29,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:15:29,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:15:29,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:15:29,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:15:29,037 INFO L87 Difference]: Start difference. First operand 7762 states and 8572 transitions. Second operand 18 states. [2020-09-04 21:15:29,702 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:15:31,555 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:31,910 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:15:32,263 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:15:32,876 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:15:33,220 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:15:33,857 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-04 21:15:34,192 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:15:34,802 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:15:35,192 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:15:35,598 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:15:35,943 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:15:36,285 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:15:37,613 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:37,981 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:15:38,682 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-04 21:15:39,443 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 21:15:40,099 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-04 21:15:40,941 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:41,301 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:15:44,585 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:15:45,631 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:45,975 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:15:46,640 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:15:47,276 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:15:47,876 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:15:55,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:15:55,367 INFO L93 Difference]: Finished difference Result 17887 states and 20777 transitions. [2020-09-04 21:15:55,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2020-09-04 21:15:55,367 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 537 [2020-09-04 21:15:55,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:15:55,403 INFO L225 Difference]: With dead ends: 17887 [2020-09-04 21:15:55,404 INFO L226 Difference]: Without dead ends: 13270 [2020-09-04 21:15:55,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 158 SyntacticMatches, 7 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3035 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=1590, Invalid=7530, Unknown=0, NotChecked=0, Total=9120 [2020-09-04 21:15:55,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13270 states. [2020-09-04 21:15:59,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13270 to 9454. [2020-09-04 21:15:59,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9454 states. [2020-09-04 21:15:59,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9454 states to 9454 states and 10410 transitions. [2020-09-04 21:15:59,538 INFO L78 Accepts]: Start accepts. Automaton has 9454 states and 10410 transitions. Word has length 537 [2020-09-04 21:15:59,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:15:59,539 INFO L479 AbstractCegarLoop]: Abstraction has 9454 states and 10410 transitions. [2020-09-04 21:15:59,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:15:59,539 INFO L276 IsEmpty]: Start isEmpty. Operand 9454 states and 10410 transitions. [2020-09-04 21:15:59,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2020-09-04 21:15:59,556 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:15:59,556 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:15:59,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-04 21:15:59,557 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:15:59,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:15:59,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1902655728, now seen corresponding path program 1 times [2020-09-04 21:15:59,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:15:59,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1781855114] [2020-09-04 21:15:59,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:15:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:59,924 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:15:59,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:59,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:15:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:59,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:15:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:59,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:15:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:59,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:15:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:59,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:15:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:59,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:15:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:59,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:15:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:59,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:59,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:16:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:16:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:16:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:16:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:16:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:16:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:16:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:16:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:16:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-09-04 21:16:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:16:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:16:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:16:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:16:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-09-04 21:16:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-09-04 21:16:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-09-04 21:16:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:16:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:16:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2020-09-04 21:16:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2020-09-04 21:16:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2020-09-04 21:16:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:16:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:16:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2020-09-04 21:16:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2020-09-04 21:16:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:00,405 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 133 proven. 4 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2020-09-04 21:16:00,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1781855114] [2020-09-04 21:16:00,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:16:00,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-04 21:16:00,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473885789] [2020-09-04 21:16:00,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 21:16:00,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:16:00,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 21:16:00,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-09-04 21:16:00,408 INFO L87 Difference]: Start difference. First operand 9454 states and 10410 transitions. Second operand 9 states. [2020-09-04 21:16:01,532 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:16:04,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:16:04,857 INFO L93 Difference]: Finished difference Result 11222 states and 12455 transitions. [2020-09-04 21:16:04,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 21:16:04,858 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 606 [2020-09-04 21:16:04,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:16:04,872 INFO L225 Difference]: With dead ends: 11222 [2020-09-04 21:16:04,872 INFO L226 Difference]: Without dead ends: 4079 [2020-09-04 21:16:04,887 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2020-09-04 21:16:04,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4079 states. [2020-09-04 21:16:06,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4079 to 3878. [2020-09-04 21:16:06,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3878 states. [2020-09-04 21:16:06,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3878 states to 3878 states and 4166 transitions. [2020-09-04 21:16:06,237 INFO L78 Accepts]: Start accepts. Automaton has 3878 states and 4166 transitions. Word has length 606 [2020-09-04 21:16:06,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:16:06,237 INFO L479 AbstractCegarLoop]: Abstraction has 3878 states and 4166 transitions. [2020-09-04 21:16:06,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 21:16:06,237 INFO L276 IsEmpty]: Start isEmpty. Operand 3878 states and 4166 transitions. [2020-09-04 21:16:06,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2020-09-04 21:16:06,247 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:16:06,247 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:16:06,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-04 21:16:06,247 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:16:06,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:16:06,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1271303314, now seen corresponding path program 3 times [2020-09-04 21:16:06,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:16:06,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1808644452] [2020-09-04 21:16:06,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:16:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,629 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:16:06,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:16:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:16:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:16:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:16:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:16:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:16:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:16:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:16:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:16:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:16:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:16:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:16:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:16:06,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:16:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:16:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:16:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2020-09-04 21:16:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-09-04 21:16:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:16:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:16:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:16:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:16:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-09-04 21:16:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-09-04 21:16:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:16:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:16:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:16:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:06,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:07,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2020-09-04 21:16:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:07,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-09-04 21:16:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:07,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2020-09-04 21:16:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:07,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:07,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2020-09-04 21:16:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:07,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:07,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:07,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:16:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:07,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:16:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:07,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:07,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:07,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:07,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2020-09-04 21:16:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:07,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2020-09-04 21:16:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:07,288 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 248 proven. 7 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2020-09-04 21:16:07,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1808644452] [2020-09-04 21:16:07,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:16:07,288 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-04 21:16:07,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131500713] [2020-09-04 21:16:07,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 21:16:07,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:16:07,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 21:16:07,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:16:07,290 INFO L87 Difference]: Start difference. First operand 3878 states and 4166 transitions. Second operand 17 states. [2020-09-04 21:16:07,923 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:16:08,888 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:16:09,831 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:16:10,772 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:16:11,098 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:16:11,750 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:16:12,077 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:16:12,691 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:16:13,004 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:16:13,593 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:16:17,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:16:17,829 INFO L93 Difference]: Finished difference Result 6809 states and 7469 transitions. [2020-09-04 21:16:17,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-09-04 21:16:17,830 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 624 [2020-09-04 21:16:17,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:16:17,844 INFO L225 Difference]: With dead ends: 6809 [2020-09-04 21:16:17,845 INFO L226 Difference]: Without dead ends: 4321 [2020-09-04 21:16:17,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 152 SyntacticMatches, 4 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 740 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=590, Invalid=2166, Unknown=0, NotChecked=0, Total=2756 [2020-09-04 21:16:17,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4321 states. [2020-09-04 21:16:19,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4321 to 3705. [2020-09-04 21:16:19,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3705 states. [2020-09-04 21:16:19,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3705 states to 3705 states and 3951 transitions. [2020-09-04 21:16:19,301 INFO L78 Accepts]: Start accepts. Automaton has 3705 states and 3951 transitions. Word has length 624 [2020-09-04 21:16:19,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:16:19,302 INFO L479 AbstractCegarLoop]: Abstraction has 3705 states and 3951 transitions. [2020-09-04 21:16:19,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 21:16:19,302 INFO L276 IsEmpty]: Start isEmpty. Operand 3705 states and 3951 transitions. [2020-09-04 21:16:19,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2020-09-04 21:16:19,308 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:16:19,308 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 21:16:19,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-04 21:16:19,309 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:16:19,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:16:19,309 INFO L82 PathProgramCache]: Analyzing trace with hash -814074685, now seen corresponding path program 2 times [2020-09-04 21:16:19,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:16:19,309 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2107018885] [2020-09-04 21:16:19,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:16:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,705 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:16:19,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:16:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:16:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:16:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:16:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:16:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:16:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:16:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:16:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:16:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:16:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:16:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:16:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:16:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:16:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:16:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:16:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2020-09-04 21:16:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-09-04 21:16:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:16:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:16:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:16:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:16:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-09-04 21:16:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-09-04 21:16:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:16:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:16:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:16:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:16:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:19,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2020-09-04 21:16:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:20,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2020-09-04 21:16:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:20,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2020-09-04 21:16:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:20,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:20,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2020-09-04 21:16:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:20,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:20,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:20,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:16:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:20,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:16:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:20,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:20,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:20,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:20,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2020-09-04 21:16:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:20,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2020-09-04 21:16:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:20,255 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 21:16:20,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2107018885] [2020-09-04 21:16:20,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:16:20,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-04 21:16:20,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424420159] [2020-09-04 21:16:20,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 21:16:20,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:16:20,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 21:16:20,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2020-09-04 21:16:20,257 INFO L87 Difference]: Start difference. First operand 3705 states and 3951 transitions. Second operand 14 states. [2020-09-04 21:16:20,871 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:16:21,701 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:16:22,530 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:16:25,473 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:16:28,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:16:28,647 INFO L93 Difference]: Finished difference Result 7276 states and 7952 transitions. [2020-09-04 21:16:28,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-09-04 21:16:28,648 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 635 [2020-09-04 21:16:28,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:16:28,660 INFO L225 Difference]: With dead ends: 7276 [2020-09-04 21:16:28,660 INFO L226 Difference]: Without dead ends: 4961 [2020-09-04 21:16:28,666 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 165 SyntacticMatches, 5 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1013 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=648, Invalid=2658, Unknown=0, NotChecked=0, Total=3306 [2020-09-04 21:16:28,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4961 states. [2020-09-04 21:16:30,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4961 to 4176. [2020-09-04 21:16:30,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4176 states. [2020-09-04 21:16:30,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4176 states to 4176 states and 4451 transitions. [2020-09-04 21:16:30,277 INFO L78 Accepts]: Start accepts. Automaton has 4176 states and 4451 transitions. Word has length 635 [2020-09-04 21:16:30,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:16:30,278 INFO L479 AbstractCegarLoop]: Abstraction has 4176 states and 4451 transitions. [2020-09-04 21:16:30,278 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 21:16:30,278 INFO L276 IsEmpty]: Start isEmpty. Operand 4176 states and 4451 transitions. [2020-09-04 21:16:30,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2020-09-04 21:16:30,283 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:16:30,284 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 21:16:30,284 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-04 21:16:30,284 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:16:30,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:16:30,284 INFO L82 PathProgramCache]: Analyzing trace with hash -826600787, now seen corresponding path program 1 times [2020-09-04 21:16:30,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:16:30,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1725325783] [2020-09-04 21:16:30,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:16:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:30,833 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:16:30,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:30,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:16:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:30,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:16:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:30,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:16:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:30,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:16:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:30,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:16:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:30,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:16:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:30,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:16:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:30,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:30,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:30,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:16:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:30,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:30,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:30,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:16:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:30,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:16:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:30,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:30,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:30,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:30,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:16:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:16:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:16:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:16:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:16:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:16:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-09-04 21:16:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-09-04 21:16:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:16:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:16:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:16:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:16:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-09-04 21:16:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-09-04 21:16:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-09-04 21:16:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:16:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:16:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:16:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 21:16:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:16:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-09-04 21:16:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2020-09-04 21:16:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2020-09-04 21:16:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:16:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:16:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2020-09-04 21:16:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2020-09-04 21:16:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:31,910 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 21:16:31,910 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1725325783] [2020-09-04 21:16:31,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:16:31,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-09-04 21:16:31,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340912132] [2020-09-04 21:16:31,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-09-04 21:16:31,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:16:31,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-09-04 21:16:31,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2020-09-04 21:16:31,912 INFO L87 Difference]: Start difference. First operand 4176 states and 4451 transitions. Second operand 25 states. [2020-09-04 21:16:32,890 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-04 21:16:34,363 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-04 21:16:36,740 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 21:16:37,420 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-04 21:16:38,181 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-09-04 21:16:38,820 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 21:16:39,492 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 193 [2020-09-04 21:16:40,136 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-04 21:16:40,772 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-09-04 21:16:41,414 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:16:42,081 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-04 21:16:42,692 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:16:45,807 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-04 21:16:46,918 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 21:16:47,581 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-04 21:16:48,223 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-09-04 21:16:48,890 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 193 [2020-09-04 21:16:49,558 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-09-04 21:16:52,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:16:52,905 INFO L93 Difference]: Finished difference Result 6967 states and 7500 transitions. [2020-09-04 21:16:52,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-09-04 21:16:52,906 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 635 [2020-09-04 21:16:52,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:16:52,908 INFO L225 Difference]: With dead ends: 6967 [2020-09-04 21:16:52,908 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 21:16:52,920 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 155 SyntacticMatches, 11 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1495 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=869, Invalid=4533, Unknown=0, NotChecked=0, Total=5402 [2020-09-04 21:16:52,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 21:16:52,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 21:16:52,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 21:16:52,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 21:16:52,922 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 635 [2020-09-04 21:16:52,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:16:52,922 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 21:16:52,922 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-09-04 21:16:52,922 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 21:16:52,922 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 21:16:52,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-04 21:16:52,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 21:16:53,355 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:16:53,550 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 21:16:53,918 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:16:54,113 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 21:16:55,951 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 259 DAG size of output: 242 [2020-09-04 21:16:56,298 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 196 [2020-09-04 21:16:56,652 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:16:57,022 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:16:57,384 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:16:58,088 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 199 [2020-09-04 21:16:58,437 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:16:59,281 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 21:16:59,652 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:16:59,838 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-04 21:17:00,191 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:17:00,903 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 199 [2020-09-04 21:17:01,637 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 229 [2020-09-04 21:17:02,027 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:17:03,125 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 248 DAG size of output: 230 [2020-09-04 21:17:03,301 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 21:17:04,276 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 230 [2020-09-04 21:17:04,452 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 21:17:04,823 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:17:05,166 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:17:05,514 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:17:05,888 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:17:06,524 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:17:06,956 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:17:08,750 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 259 DAG size of output: 242 [2020-09-04 21:17:09,111 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:17:09,744 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:17:10,387 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:17:11,257 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:17:11,980 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 229 [2020-09-04 21:17:12,884 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:17:13,247 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:17:13,605 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:17:13,979 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:17:14,334 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:17:14,699 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:17:15,072 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:17:15,423 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:17:15,789 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:17:16,144 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:17:16,500 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:17:16,859 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:17:17,223 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:17:17,744 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:17:18,117 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:17:18,483 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:17:18,850 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:17:19,204 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:17:19,573 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:17:19,946 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:17:20,301 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:17:20,682 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:17:21,052 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:17:22,183 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 251 DAG size of output: 232 [2020-09-04 21:17:22,840 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:17:24,135 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2020-09-04 21:17:24,502 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:17:24,874 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:17:25,391 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:17:26,195 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:17:27,124 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:17:27,489 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:17:28,219 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:17:28,588 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:17:29,297 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:17:30,016 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 21:17:30,381 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:17:30,739 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:17:31,095 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:17:31,457 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:17:31,808 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:17:32,182 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:17:32,536 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:17:32,908 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:17:33,273 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:17:33,627 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:17:34,331 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:17:34,698 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:17:35,388 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 230 [2020-09-04 21:17:36,106 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:17:36,463 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:17:37,202 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:17:37,567 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:17:37,935 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:17:38,291 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:17:39,009 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 21:17:39,367 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:17:39,768 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:17:40,139 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:17:40,492 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:17:43,566 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 201 [2020-09-04 21:17:43,924 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:17:44,366 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 202 [2020-09-04 21:17:44,981 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 204 [2020-09-04 21:17:46,236 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 219 DAG size of output: 212 [2020-09-04 21:17:46,700 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 202 [2020-09-04 21:17:47,995 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 221 DAG size of output: 214 [2020-09-04 21:17:48,457 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 202 [2020-09-04 21:17:48,899 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 202 [2020-09-04 21:17:49,388 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 203 [2020-09-04 21:17:49,837 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 204 [2020-09-04 21:17:51,132 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 238 DAG size of output: 236 [2020-09-04 21:17:51,484 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:17:51,924 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 199 [2020-09-04 21:17:52,097 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:17:52,274 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:17:52,706 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 200 [2020-09-04 21:17:52,882 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:17:53,049 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:17:53,429 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:17:53,868 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 200 [2020-09-04 21:17:54,219 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:17:54,677 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 204 [2020-09-04 21:17:59,613 WARN L193 SmtUtils]: Spent 4.93 s on a formula simplification. DAG size of input: 713 DAG size of output: 454 [2020-09-04 21:18:00,559 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 234 [2020-09-04 21:18:00,964 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:18:01,346 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:18:01,731 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:18:02,122 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:18:03,075 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 232 [2020-09-04 21:18:03,708 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 246 [2020-09-04 21:18:04,331 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:18:04,924 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 21:18:05,518 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 242 [2020-09-04 21:18:06,105 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 240 [2020-09-04 21:18:06,738 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:18:07,357 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:18:07,951 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 21:18:08,556 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 243 [2020-09-04 21:18:09,181 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 246 [2020-09-04 21:18:09,764 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 240 [2020-09-04 21:18:10,360 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 242 [2020-09-04 21:18:10,968 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 247 [2020-09-04 21:18:11,579 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 247 [2020-09-04 21:18:12,212 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:18:12,845 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:18:13,474 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:18:14,096 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 243 [2020-09-04 21:18:14,735 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:18:15,326 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 240 [2020-09-04 21:18:15,930 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 242 [2020-09-04 21:18:17,431 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 284 DAG size of output: 255 [2020-09-04 21:18:18,621 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 274 DAG size of output: 254 [2020-09-04 21:18:19,261 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:18:19,713 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:18:20,086 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:18:20,452 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:18:20,828 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:18:21,670 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 232 [2020-09-04 21:18:21,840 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:18:22,006 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 21:18:22,373 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:18:22,550 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-04 21:18:22,896 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:18:23,079 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-04 21:18:23,452 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:18:23,814 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:18:24,172 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:18:24,540 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:18:24,924 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:18:25,290 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:18:25,662 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:18:26,024 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:18:26,384 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:18:26,747 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:18:27,573 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 21:18:27,928 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:18:28,305 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:18:28,483 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 21:18:28,846 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:18:29,216 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:18:29,600 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:18:29,973 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:18:30,700 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 196 [2020-09-04 21:18:31,063 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:18:31,440 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:18:32,183 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:18:32,549 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:18:32,711 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-04 21:18:33,088 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:18:33,455 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:18:33,812 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:18:34,511 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 199 [2020-09-04 21:18:34,863 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 196 [2020-09-04 21:18:35,232 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:18:35,592 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:18:35,934 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:18:36,289 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:18:36,655 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:18:36,831 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 21:18:37,201 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:18:38,119 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 232 [2020-09-04 21:18:39,071 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 234 [2020-09-04 21:18:39,439 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:18:39,615 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 21:18:39,787 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-04 21:18:40,102 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 193 [2020-09-04 21:18:40,271 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-04 21:18:40,639 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:18:40,992 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:18:41,166 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 21:18:41,332 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:18:41,517 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:18:42,388 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 228 [2020-09-04 21:18:42,733 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 196 [2020-09-04 21:18:42,899 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:18:43,069 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 21:18:43,425 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:18:43,766 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:18:44,123 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:18:44,476 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:18:44,820 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:18:44,991 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 21:18:45,158 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:18:45,519 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:18:46,294 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 196 [2020-09-04 21:18:46,656 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:18:48,408 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 257 DAG size of output: 235 [2020-09-04 21:18:49,204 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 199 [2020-09-04 21:18:49,375 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-04 21:18:51,153 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 259 DAG size of output: 242 [2020-09-04 21:18:51,466 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 193 [2020-09-04 21:18:51,631 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-04 21:18:52,004 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:18:52,356 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:18:52,526 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 21:18:52,896 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:18:53,251 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:18:53,610 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:18:53,805 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:18:53,989 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 21:18:54,154 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:18:54,512 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:18:54,875 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:18:55,043 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-04 21:18:55,415 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:18:55,786 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:18:56,614 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 21:18:56,791 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:18:56,969 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 21:18:57,331 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:18:57,492 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-04 21:18:57,850 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:18:58,218 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:18:58,577 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:18:59,406 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-09-04 21:19:00,236 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 231 [2020-09-04 21:19:00,977 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:19:01,147 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-04 21:19:01,506 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:19:01,871 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:19:02,226 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:19:02,570 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:19:02,930 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:19:03,294 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:19:03,999 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 21:19:06,155 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 252 DAG size of output: 247 [2020-09-04 21:19:06,514 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 198 [2020-09-04 21:19:06,886 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:19:07,257 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:19:07,447 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-04 21:19:07,832 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:19:08,203 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:19:08,550 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:19:08,935 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:19:09,291 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-04 21:19:09,463 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:19:09,843 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:19:10,209 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:19:10,566 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:19:10,737 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-04 21:19:11,105 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:19:12,071 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:19:12,436 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:19:12,792 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:19:13,149 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:19:13,522 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:19:13,892 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:19:14,068 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:19:14,434 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:19:15,309 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-09-04 21:19:15,476 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:19:16,357 WARN L193 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 232 [2020-09-04 21:19:16,725 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:19:17,086 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:19:17,460 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:19:17,834 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:19:18,177 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 196 [2020-09-04 21:19:18,542 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:19:18,905 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:19:19,081 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 21:19:19,911 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 21:19:20,273 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:19:20,631 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:19:20,973 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:19:21,597 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:19:21,970 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:19:22,339 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:19:22,713 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:19:22,888 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 21:19:23,238 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:19:23,608 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:19:23,966 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:19:24,139 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:19:24,881 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:19:25,251 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:19:25,610 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:19:25,986 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:19:26,358 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:19:26,669 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 193 [2020-09-04 21:19:26,839 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-04 21:19:27,010 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:19:27,375 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:19:27,546 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-04 21:19:27,919 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:19:28,284 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:19:28,651 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:19:29,012 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:19:29,377 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:19:29,735 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:19:31,350 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 251 DAG size of output: 248 [2020-09-04 21:19:31,709 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:19:33,299 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 248 DAG size of output: 245 [2020-09-04 21:19:34,135 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:19:34,971 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 228 [2020-09-04 21:19:35,336 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:19:35,972 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:19:36,342 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:19:37,200 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 230 [2020-09-04 21:19:37,823 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 21:19:38,172 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:19:38,343 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-04 21:19:38,957 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:19:39,389 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:19:40,338 WARN L193 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 230 [2020-09-04 21:19:40,703 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:19:41,106 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:19:41,491 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:19:42,412 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 232 [2020-09-04 21:19:42,791 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:19:43,737 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 234 [2020-09-04 21:19:44,116 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:19:44,340 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 209 [2020-09-04 21:19:44,546 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2020-09-04 21:19:44,773 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-04 21:19:45,980 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 248 DAG size of output: 248 [2020-09-04 21:19:46,510 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 214 [2020-09-04 21:19:46,718 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 21:19:46,932 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 209 [2020-09-04 21:19:47,349 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:19:47,750 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:19:48,175 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 21:19:48,589 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:19:48,995 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:19:49,208 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-09-04 21:19:49,417 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 21:19:49,842 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:19:51,085 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 232 DAG size of output: 223 [2020-09-04 21:19:51,510 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 21:19:53,781 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-09-04 21:19:55,050 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-09-04 21:19:55,262 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-09-04 21:19:57,512 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 274 DAG size of output: 265 [2020-09-04 21:19:58,028 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-09-04 21:19:58,233 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 207 [2020-09-04 21:19:58,669 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 21:19:59,083 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 21:19:59,295 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-09-04 21:19:59,725 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:20:00,141 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:20:00,528 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:20:00,768 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2020-09-04 21:20:00,994 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-09-04 21:20:01,199 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-09-04 21:20:01,618 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:20:02,044 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:20:02,252 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 209 [2020-09-04 21:20:02,690 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 21:20:03,122 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:20:04,311 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 252 DAG size of output: 248 [2020-09-04 21:20:04,549 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-04 21:20:04,770 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-09-04 21:20:05,197 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:20:05,399 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 207 [2020-09-04 21:20:05,816 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:20:06,246 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:20:06,636 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:20:07,693 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 253 DAG size of output: 248 [2020-09-04 21:20:09,196 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 259 DAG size of output: 255 [2020-09-04 21:20:10,361 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-09-04 21:20:10,573 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 209 [2020-09-04 21:20:10,960 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:20:11,387 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:20:11,803 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:20:12,207 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:20:12,627 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 21:20:13,052 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:20:14,054 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2020-09-04 21:20:16,513 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 258 DAG size of output: 251 [2020-09-04 21:20:17,044 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 216 [2020-09-04 21:20:17,482 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:20:17,924 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:20:18,151 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-09-04 21:20:18,601 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-09-04 21:20:19,000 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:20:19,406 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:20:19,816 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:20:20,335 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 214 [2020-09-04 21:20:20,548 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-04 21:20:20,992 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 244 [2020-09-04 21:20:21,389 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:20:21,775 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:20:21,986 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-09-04 21:20:22,417 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:20:23,569 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 247 DAG size of output: 242 [2020-09-04 21:20:23,964 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:20:24,382 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:20:24,799 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:20:25,203 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:20:25,632 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:20:25,851 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-04 21:20:26,274 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:20:27,195 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 237 [2020-09-04 21:20:27,403 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-04 21:20:28,345 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 239 [2020-09-04 21:20:28,776 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:20:29,165 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:20:29,602 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:20:30,041 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 21:20:30,572 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 214 [2020-09-04 21:20:30,997 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:20:31,422 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:20:31,639 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-09-04 21:20:32,825 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 252 DAG size of output: 248 [2020-09-04 21:20:33,316 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:20:33,735 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:20:34,138 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:20:34,964 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:20:35,402 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 21:20:35,800 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:20:36,238 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 21:20:36,454 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-09-04 21:20:36,864 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:20:37,293 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:20:37,682 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:20:37,897 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-04 21:20:39,063 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-09-04 21:20:39,494 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:20:39,882 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:20:40,289 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:20:40,724 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 21:20:41,240 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-09-04 21:20:41,451 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-09-04 21:20:41,663 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-04 21:20:42,057 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:20:42,269 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-09-04 21:20:42,705 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 21:20:43,131 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:20:43,560 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:20:43,949 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:20:44,344 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:20:44,731 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:20:46,414 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 257 DAG size of output: 248 [2020-09-04 21:20:46,833 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 21:20:48,504 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 254 DAG size of output: 243 [2020-09-04 21:20:49,637 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2020-09-04 21:20:50,548 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-09-04 21:20:50,941 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:20:51,765 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 248 [2020-09-04 21:20:52,197 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:20:53,127 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 21:20:53,951 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:20:54,363 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:20:54,575 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-09-04 21:20:55,380 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-09-04 21:20:55,783 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:20:57,015 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 250 DAG size of output: 249 [2020-09-04 21:20:57,410 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:20:58,119 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:20:58,810 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:20:59,511 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:21:00,218 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:21:00,857 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 231 [2020-09-04 21:21:01,573 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:21:02,211 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 231 [2020-09-04 21:21:02,913 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:21:03,603 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:21:04,233 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 229 [2020-09-04 21:21:04,864 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 229 [2020-09-04 21:21:05,605 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:21:06,298 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:21:07,005 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:21:08,382 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 267 DAG size of output: 232 [2020-09-04 21:21:10,146 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 269 DAG size of output: 234 [2020-09-04 21:21:11,460 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:21:11,821 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:21:12,338 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:21:13,137 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:21:14,072 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:21:14,437 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:21:14,795 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:21:15,418 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:21:16,061 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 229 [2020-09-04 21:21:16,423 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:21:17,293 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:21:18,196 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:21:18,552 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:21:19,194 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:21:19,559 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:21:19,929 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:21:20,285 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:21:20,642 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:21:20,991 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:21:21,342 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:21:21,864 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:21:22,217 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:21:22,581 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:21:22,944 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:21:23,315 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:21:24,444 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 251 DAG size of output: 232 [2020-09-04 21:21:25,741 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2020-09-04 21:21:26,112 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:21:26,481 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:21:26,856 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:21:27,228 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:21:27,587 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:21:27,956 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:21:28,394 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:21:29,320 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 232 [2020-09-04 21:21:29,704 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:21:30,656 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 234 [2020-09-04 21:21:31,015 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:21:31,376 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:21:31,753 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:21:32,118 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:21:32,499 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:21:32,865 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:21:33,230 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:21:33,603 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:21:33,970 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:21:34,355 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:21:34,724 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:21:35,101 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:21:35,467 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:21:40,430 WARN L193 SmtUtils]: Spent 4.96 s on a formula simplification. DAG size of input: 713 DAG size of output: 454 [2020-09-04 21:21:40,848 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:21:41,266 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:21:41,679 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:21:42,098 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:21:43,172 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 246 DAG size of output: 240 [2020-09-04 21:21:43,372 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 201 [2020-09-04 21:21:43,568 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 202 [2020-09-04 21:21:43,980 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:21:44,188 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 21:21:44,577 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:21:44,790 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 202 [2020-09-04 21:21:45,208 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:21:45,614 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:21:46,017 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:21:46,430 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:21:46,861 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:21:47,271 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:21:47,689 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:21:48,096 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:21:48,499 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:21:48,906 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:21:49,829 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 236 [2020-09-04 21:21:50,229 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:21:50,654 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:21:50,863 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 204 [2020-09-04 21:21:51,273 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:21:51,688 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:21:52,119 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:21:52,540 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:21:53,453 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 206 [2020-09-04 21:21:53,862 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:21:54,285 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:21:55,208 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 234 [2020-09-04 21:21:55,620 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:21:55,812 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 199 [2020-09-04 21:21:56,236 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:21:56,647 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:21:57,051 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:21:58,033 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-09-04 21:21:58,420 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 204 [2020-09-04 21:21:58,837 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:21:59,242 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:21:59,628 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:22:00,027 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:22:00,440 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:22:00,648 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 205 [2020-09-04 21:22:01,063 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:22:02,252 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-09-04 21:22:03,390 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 252 DAG size of output: 242 [2020-09-04 21:22:03,804 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:22:04,011 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 205 [2020-09-04 21:22:04,214 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 21:22:04,619 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 201 [2020-09-04 21:22:04,819 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 201 [2020-09-04 21:22:05,232 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:22:10,249 WARN L193 SmtUtils]: Spent 5.01 s on a formula simplification. DAG size of input: 713 DAG size of output: 454 [2020-09-04 21:22:10,616 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:22:11,000 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:22:11,366 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:22:11,725 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:22:12,104 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:22:12,471 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:22:12,858 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:22:13,778 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 232 [2020-09-04 21:22:14,735 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 234 [2020-09-04 21:22:15,095 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:22:15,476 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:22:15,835 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:22:16,212 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:22:16,582 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:22:16,949 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:22:17,317 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:22:17,690 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:22:18,080 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:22:18,456 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:22:18,846 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:22:19,208 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:22:19,574 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:22:29,962 WARN L193 SmtUtils]: Spent 10.39 s on a formula simplification. DAG size of input: 908 DAG size of output: 585 [2020-09-04 21:22:31,262 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2020-09-04 21:22:32,202 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:22:32,720 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:22:33,521 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:22:34,147 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:22:34,792 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 229 [2020-09-04 21:22:35,156 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:22:36,064 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:22:36,934 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:22:37,292 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:22:37,948 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:22:38,602 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:22:38,962 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:22:39,325 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:22:39,674 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:22:40,023 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:22:40,536 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:22:40,899 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:22:42,034 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 251 DAG size of output: 232 [2020-09-04 21:22:42,384 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:22:42,768 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:22:43,166 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:22:43,545 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:22:43,920 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:22:44,313 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:22:44,693 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:22:45,095 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:22:45,998 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-09-04 21:22:47,006 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 21:22:47,381 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:22:47,775 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:22:48,149 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:22:48,542 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:22:48,926 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:22:49,307 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:22:49,688 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:22:50,076 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:22:50,481 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:22:50,869 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:22:51,273 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:22:51,650 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:22:52,030 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:22:52,381 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:22:53,203 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 247 [2020-09-04 21:22:54,089 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 241 [2020-09-04 21:22:54,992 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 247 [2020-09-04 21:22:56,298 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 252 DAG size of output: 242 [2020-09-04 21:22:57,137 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:22:57,938 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 243 [2020-09-04 21:22:58,349 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:22:59,249 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:23:00,600 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 254 DAG size of output: 243 [2020-09-04 21:23:01,004 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:23:01,801 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:23:02,220 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:23:02,617 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:23:03,014 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:23:03,861 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 21:23:04,261 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:23:04,672 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:23:05,090 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:23:06,937 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 268 DAG size of output: 250 [2020-09-04 21:23:08,756 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-09-04 21:23:09,149 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:23:09,547 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:23:09,929 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:23:10,324 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:23:10,716 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:23:11,105 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:23:11,482 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:23:11,888 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:23:12,278 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:23:12,663 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:23:13,053 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:23:13,449 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:23:13,854 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:23:14,245 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:23:14,640 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:23:15,021 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:23:15,709 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 239 [2020-09-04 21:23:16,240 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 246 [2020-09-04 21:23:16,910 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 238 [2020-09-04 21:23:17,606 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 241 [2020-09-04 21:23:18,285 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 21:23:19,004 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 244 [2020-09-04 21:23:19,641 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:23:19,757 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 32 [2020-09-04 21:23:20,286 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 246 [2020-09-04 21:23:20,936 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:23:21,051 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 32 [2020-09-04 21:23:21,162 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 31 [2020-09-04 21:23:21,818 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:23:22,463 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:23:23,170 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 241 [2020-09-04 21:23:23,286 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 31 [2020-09-04 21:23:23,394 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 31 [2020-09-04 21:23:24,050 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:23:24,714 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:23:24,829 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 32 [2020-09-04 21:23:25,500 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 238 [2020-09-04 21:23:25,620 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 32 [2020-09-04 21:23:26,303 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 21:23:27,748 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 279 DAG size of output: 254 [2020-09-04 21:23:28,471 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 244 [2020-09-04 21:23:29,988 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 269 DAG size of output: 249 [2020-09-04 21:23:30,636 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:23:30,750 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 31 [2020-09-04 21:23:31,435 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 239 [2020-09-04 21:23:32,114 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 21:23:32,783 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 238 [2020-09-04 21:23:33,434 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:23:33,830 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:23:34,242 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:23:34,637 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:23:35,025 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:23:35,435 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:23:35,830 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:23:36,248 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:23:37,141 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 238 [2020-09-04 21:23:38,190 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-09-04 21:23:38,580 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:23:38,991 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:23:39,379 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:23:39,784 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:23:40,182 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:23:40,578 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:23:40,974 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:23:41,378 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:23:41,796 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:23:42,201 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:23:42,619 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:23:43,010 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:23:43,406 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:23:44,248 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:23:45,046 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:23:45,941 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:23:46,748 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 243 [2020-09-04 21:23:48,094 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 254 DAG size of output: 243 [2020-09-04 21:23:48,504 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:23:48,912 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:23:49,311 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:23:49,716 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:23:50,118 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:23:50,971 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 21:23:51,387 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:23:51,795 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:23:52,216 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:23:54,055 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 268 DAG size of output: 250 [2020-09-04 21:23:54,865 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 247 [2020-09-04 21:23:56,615 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-09-04 21:23:57,506 WARN L193 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 241 [2020-09-04 21:23:58,404 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 247 [2020-09-04 21:23:59,714 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 252 DAG size of output: 242 [2020-09-04 21:24:02,154 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2020-09-04 21:24:03,093 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:24:03,612 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:24:04,482 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:24:05,109 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:24:05,754 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 229 [2020-09-04 21:24:06,119 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:24:07,028 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:24:07,900 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:24:08,257 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:24:08,910 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:24:09,560 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:24:09,921 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:24:10,285 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:24:10,634 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:24:10,985 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:24:11,498 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:24:11,862 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:24:13,000 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 251 DAG size of output: 232 [2020-09-04 21:24:13,351 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:24:17,196 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:24:17,571 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:24:17,944 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:24:18,302 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:24:18,673 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:24:19,047 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:24:19,978 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 232 [2020-09-04 21:24:20,364 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:24:21,316 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 234 [2020-09-04 21:24:21,676 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:24:22,036 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:24:22,415 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:24:22,780 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:24:23,162 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:24:23,529 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:24:23,895 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:24:24,269 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:24:24,636 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:24:25,022 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:24:25,392 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:24:25,773 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:24:26,141 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:24:26,483 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 195 [2020-09-04 21:24:27,150 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:24:28,170 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 244 DAG size of output: 231 [2020-09-04 21:24:28,518 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 196 [2020-09-04 21:24:28,959 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 194 [2020-09-04 21:24:29,302 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 194 [2020-09-04 21:24:29,874 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2020-09-04 21:24:30,529 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 230 [2020-09-04 21:24:30,887 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:24:31,235 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 197 [2020-09-04 21:24:31,614 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:24:32,269 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:24:32,620 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 198 [2020-09-04 21:24:33,294 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-09-04 21:24:34,483 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:24:34,857 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:24:35,529 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-09-04 21:24:35,895 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:24:36,466 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2020-09-04 21:24:37,463 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 201 [2020-09-04 21:24:38,997 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 261 DAG size of output: 237 [2020-09-04 21:24:39,645 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:24:40,026 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:24:40,710 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-09-04 21:24:41,403 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-09-04 21:24:42,296 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 206 [2020-09-04 21:24:42,628 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 192 [2020-09-04 21:24:44,354 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 263 DAG size of output: 238 [2020-09-04 21:24:44,699 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 194 [2020-09-04 21:24:45,344 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:24:46,233 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 234 [2020-09-04 21:24:46,879 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:24:47,477 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 228 [2020-09-04 21:24:48,382 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 236 [2020-09-04 21:24:48,748 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:24:49,214 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 197 [2020-09-04 21:24:49,567 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 198 [2020-09-04 21:24:50,179 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 21:24:51,299 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 246 DAG size of output: 229 [2020-09-04 21:24:51,634 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 192 [2020-09-04 21:24:51,980 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 198 [2020-09-04 21:24:52,751 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:24:53,101 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 197 [2020-09-04 21:24:53,660 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-09-04 21:24:53,999 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 194 [2020-09-04 21:24:54,408 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 195 [2020-09-04 21:24:55,409 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 231 [2020-09-04 21:24:56,022 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 21:24:56,366 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 196 [2020-09-04 21:24:56,806 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 194 [2020-09-04 21:24:57,150 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 196 [2020-09-04 21:24:57,750 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 228 [2020-09-04 21:24:58,117 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:24:58,463 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 196 [2020-09-04 21:24:59,260 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:24:59,872 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 21:25:00,609 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:25:00,976 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:25:01,351 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:25:02,101 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 228 [2020-09-04 21:25:02,710 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 230 [2020-09-04 21:25:03,491 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 228 [2020-09-04 21:25:04,106 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 21:25:04,707 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 228 [2020-09-04 21:25:05,463 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 228 [2020-09-04 21:25:05,829 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:25:06,204 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:25:06,660 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 197 [2020-09-04 21:25:07,026 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:25:07,371 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 224 [2020-09-04 21:25:08,124 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 228 [2020-09-04 21:25:10,064 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 256 DAG size of output: 247 [2020-09-04 21:25:12,232 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 257 DAG size of output: 244 [2020-09-04 21:25:12,968 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:25:13,708 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:25:14,654 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 228 [2020-09-04 21:25:15,529 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 232 [2020-09-04 21:25:16,259 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-09-04 21:25:16,863 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 21:25:18,981 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 253 DAG size of output: 247 [2020-09-04 21:25:19,593 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 21:25:19,948 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 21:25:20,845 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 234 [2020-09-04 21:25:21,610 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:25:22,208 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:25:22,545 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 195 [2020-09-04 21:25:23,648 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 246 DAG size of output: 229 [2020-09-04 21:25:24,020 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:25:24,356 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 194 [2020-09-04 21:25:24,728 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:25:25,076 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 198 [2020-09-04 21:25:25,416 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 195 [2020-09-04 21:25:25,800 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:25:26,183 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:25:26,576 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:25:26,955 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:25:27,359 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:25:27,747 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:25:28,144 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:25:28,532 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:25:29,610 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 256 DAG size of output: 248 [2020-09-04 21:25:30,032 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:25:30,450 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:25:30,863 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:25:31,283 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:25:31,709 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:25:32,789 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 256 DAG size of output: 248 [2020-09-04 21:25:33,200 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:25:33,618 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:25:34,677 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 21:25:35,738 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 21:25:36,203 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:25:36,627 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:25:37,052 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:25:39,662 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 272 DAG size of output: 257 [2020-09-04 21:25:41,945 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 274 DAG size of output: 262 [2020-09-04 21:25:43,040 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 258 DAG size of output: 250 [2020-09-04 21:25:43,470 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:25:43,895 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:25:44,316 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:25:44,745 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:25:45,179 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:25:46,265 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 258 DAG size of output: 250 [2020-09-04 21:25:46,683 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:25:47,108 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:25:48,177 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 256 DAG size of output: 248 [2020-09-04 21:25:49,243 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 256 DAG size of output: 248 [2020-09-04 21:25:49,715 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:25:50,146 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:25:50,579 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:25:53,391 WARN L193 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 274 DAG size of output: 258 [2020-09-04 21:25:55,754 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 276 DAG size of output: 264