/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_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 21:21:51,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 21:21:51,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 21:21:51,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 21:21:51,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 21:21:51,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 21:21:51,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 21:21:51,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 21:21:51,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 21:21:51,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 21:21:51,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 21:21:51,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 21:21:51,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 21:21:51,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 21:21:51,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 21:21:51,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 21:21:51,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 21:21:51,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 21:21:51,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 21:21:51,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 21:21:51,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 21:21:51,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 21:21:51,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 21:21:51,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 21:21:51,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 21:21:51,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 21:21:51,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 21:21:51,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 21:21:51,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 21:21:51,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 21:21:51,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 21:21:51,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 21:21:51,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 21:21:51,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 21:21:51,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 21:21:51,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 21:21:51,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 21:21:51,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 21:21:51,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 21:21:51,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 21:21:51,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 21:21:51,463 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 21:21:51,485 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 21:21:51,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 21:21:51,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 21:21:51,487 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 21:21:51,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 21:21:51,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 21:21:51,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 21:21:51,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 21:21:51,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 21:21:51,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 21:21:51,490 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 21:21:51,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 21:21:51,491 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 21:21:51,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 21:21:51,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 21:21:51,492 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 21:21:51,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 21:21:51,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 21:21:51,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 21:21:51,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 21:21:51,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 21:21:51,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 21:21:51,493 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 21:21:51,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 21:21:51,957 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 21:21:51,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 21:21:51,966 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 21:21:51,966 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 21:21:51,968 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2020-09-04 21:21:52,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7bf0db9b5/d9d1f088a4a04adc8613ee462dd6d9cc/FLAGd08ba3598 [2020-09-04 21:21:52,654 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 21:21:52,655 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2020-09-04 21:21:52,673 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7bf0db9b5/d9d1f088a4a04adc8613ee462dd6d9cc/FLAGd08ba3598 [2020-09-04 21:21:52,893 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7bf0db9b5/d9d1f088a4a04adc8613ee462dd6d9cc [2020-09-04 21:21:52,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 21:21:52,910 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 21:21:52,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 21:21:52,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 21:21:52,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 21:21:52,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:21:52" (1/1) ... [2020-09-04 21:21:52,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a1e51c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:52, skipping insertion in model container [2020-09-04 21:21:52,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:21:52" (1/1) ... [2020-09-04 21:21:52,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 21:21:52,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 21:21:53,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:21:53,541 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 21:21:53,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:21:53,661 INFO L208 MainTranslator]: Completed translation [2020-09-04 21:21:53,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:53 WrapperNode [2020-09-04 21:21:53,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 21:21:53,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 21:21:53,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 21:21:53,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 21:21:53,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:53" (1/1) ... [2020-09-04 21:21:53,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:53" (1/1) ... [2020-09-04 21:21:53,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:53" (1/1) ... [2020-09-04 21:21:53,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:53" (1/1) ... [2020-09-04 21:21:53,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:53" (1/1) ... [2020-09-04 21:21:53,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:53" (1/1) ... [2020-09-04 21:21:53,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:53" (1/1) ... [2020-09-04 21:21:53,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 21:21:53,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 21:21:53,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 21:21:53,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 21:21:53,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:53" (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 21:21:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 21:21:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 21:21:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 21:21:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 21:21:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 21:21:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 21:21:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 21:21:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 21:21:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 21:21:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 21:21:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 21:21:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 21:21:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 21:21:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 21:21:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 21:21:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 21:21:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 21:21:53,836 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 21:21:53,836 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 21:21:53,836 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 21:21:53,836 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-04 21:21:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 21:21:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 21:21:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 21:21:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 21:21:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 21:21:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 21:21:53,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-04 21:21:53,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-04 21:21:53,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-04 21:21:53,838 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 21:21:53,838 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 21:21:53,838 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 21:21:53,839 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 21:21:53,839 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 21:21:53,839 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-04 21:21:53,839 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 21:21:53,839 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 21:21:53,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 21:21:53,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 21:21:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 21:21:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 21:21:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-04 21:21:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 21:21:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 21:21:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 21:21:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 21:21:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 21:21:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 21:21:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 21:21:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 21:21:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 21:21:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 21:21:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 21:21:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 21:21:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 21:21:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 21:21:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 21:21:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-04 21:21:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 21:21:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 21:21:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 21:21:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 21:21:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 21:21:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 21:21:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 21:21:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 21:21:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-04 21:21:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 21:21:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 21:21:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 21:21:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 21:21:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 21:21:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 21:21:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 21:21:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 21:21:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 21:21:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 21:21:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 21:21:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 21:21:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 21:21:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 21:21:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 21:21:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 21:21:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 21:21:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 21:21:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-04 21:21:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-04 21:21:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 21:21:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 21:21:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 21:21:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 21:21:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 21:21:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 21:21:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-04 21:21:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-04 21:21:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 21:21:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 21:21:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 21:21:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 21:21:55,019 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 21:21:55,019 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 21:21:55,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:21:55 BoogieIcfgContainer [2020-09-04 21:21:55,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 21:21:55,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 21:21:55,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 21:21:55,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 21:21:55,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 09:21:52" (1/3) ... [2020-09-04 21:21:55,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f9abcb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:21:55, skipping insertion in model container [2020-09-04 21:21:55,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:53" (2/3) ... [2020-09-04 21:21:55,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f9abcb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:21:55, skipping insertion in model container [2020-09-04 21:21:55,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:21:55" (3/3) ... [2020-09-04 21:21:55,037 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c [2020-09-04 21:21:55,049 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 21:21:55,061 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 21:21:55,085 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 21:21:55,116 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 21:21:55,116 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 21:21:55,116 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 21:21:55,116 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 21:21:55,116 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 21:21:55,117 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 21:21:55,117 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 21:21:55,117 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 21:21:55,142 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states. [2020-09-04 21:21:55,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-04 21:21:55,167 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:21:55,169 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 21:21:55,170 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:21:55,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:21:55,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1833758350, now seen corresponding path program 1 times [2020-09-04 21:21:55,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:21:55,192 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [794627979] [2020-09-04 21:21:55,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:21:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:55,992 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:21:55,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:21:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:56,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:21:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:56,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:21:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:56,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:21:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:56,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:21:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:56,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:21:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:56,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 21:21:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:56,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:21:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:56,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 21:21:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:56,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 21:21:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:56,178 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:21:56,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [794627979] [2020-09-04 21:21:56,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:21:56,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 21:21:56,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216239135] [2020-09-04 21:21:56,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 21:21:56,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:21:56,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 21:21:56,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 21:21:56,208 INFO L87 Difference]: Start difference. First operand 347 states. Second operand 4 states. [2020-09-04 21:21:57,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:21:57,716 INFO L93 Difference]: Finished difference Result 553 states and 641 transitions. [2020-09-04 21:21:57,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 21:21:57,718 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-04 21:21:57,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:21:57,740 INFO L225 Difference]: With dead ends: 553 [2020-09-04 21:21:57,741 INFO L226 Difference]: Without dead ends: 342 [2020-09-04 21:21:57,748 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 21:21:57,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-09-04 21:21:57,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 296. [2020-09-04 21:21:57,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-04 21:21:57,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 321 transitions. [2020-09-04 21:21:57,918 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 321 transitions. Word has length 160 [2020-09-04 21:21:57,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:21:57,919 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 321 transitions. [2020-09-04 21:21:57,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 21:21:57,920 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 321 transitions. [2020-09-04 21:21:57,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-04 21:21:57,924 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:21:57,925 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 21:21:57,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 21:21:57,925 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:21:57,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:21:57,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1480505140, now seen corresponding path program 1 times [2020-09-04 21:21:57,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:21:57,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1263537202] [2020-09-04 21:21:57,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:21:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,374 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:21:58,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:21:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:21:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:21:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:21:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:21:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:21:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:21:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:21:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:21:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:21:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,470 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 21:21:58,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1263537202] [2020-09-04 21:21:58,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:21:58,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 21:21:58,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009881190] [2020-09-04 21:21:58,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 21:21:58,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:21:58,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 21:21:58,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 21:21:58,475 INFO L87 Difference]: Start difference. First operand 296 states and 321 transitions. Second operand 5 states. [2020-09-04 21:21:59,128 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:00,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:22:00,303 INFO L93 Difference]: Finished difference Result 482 states and 537 transitions. [2020-09-04 21:22:00,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 21:22:00,304 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-04 21:22:00,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:22:00,316 INFO L225 Difference]: With dead ends: 482 [2020-09-04 21:22:00,316 INFO L226 Difference]: Without dead ends: 331 [2020-09-04 21:22:00,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 21:22:00,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2020-09-04 21:22:00,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 286. [2020-09-04 21:22:00,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-09-04 21:22:00,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 308 transitions. [2020-09-04 21:22:00,424 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 308 transitions. Word has length 161 [2020-09-04 21:22:00,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:22:00,424 INFO L479 AbstractCegarLoop]: Abstraction has 286 states and 308 transitions. [2020-09-04 21:22:00,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 21:22:00,425 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 308 transitions. [2020-09-04 21:22:00,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-04 21:22:00,427 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:22:00,428 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 21:22:00,428 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 21:22:00,428 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:22:00,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:22:00,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1554045372, now seen corresponding path program 1 times [2020-09-04 21:22:00,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:22:00,429 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1582821363] [2020-09-04 21:22:00,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:22:00,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:00,846 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:22:00,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:00,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:22:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:00,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:22:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:00,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:22:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:01,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:22:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:01,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:22:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:01,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:22:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:01,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:01,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 21:22:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:01,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-04 21:22:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:01,116 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 21:22:01,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1582821363] [2020-09-04 21:22:01,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:22:01,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 21:22:01,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805189770] [2020-09-04 21:22:01,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 21:22:01,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:22:01,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 21:22:01,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 21:22:01,120 INFO L87 Difference]: Start difference. First operand 286 states and 308 transitions. Second operand 10 states. [2020-09-04 21:22:01,804 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:22:02,220 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:22:02,506 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:22:02,810 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:03,115 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:22:03,417 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:05,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:22:05,263 INFO L93 Difference]: Finished difference Result 502 states and 563 transitions. [2020-09-04 21:22:05,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 21:22:05,264 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 170 [2020-09-04 21:22:05,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:22:05,268 INFO L225 Difference]: With dead ends: 502 [2020-09-04 21:22:05,268 INFO L226 Difference]: Without dead ends: 331 [2020-09-04 21:22:05,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:22:05,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2020-09-04 21:22:05,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 286. [2020-09-04 21:22:05,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-09-04 21:22:05,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 307 transitions. [2020-09-04 21:22:05,382 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 307 transitions. Word has length 170 [2020-09-04 21:22:05,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:22:05,383 INFO L479 AbstractCegarLoop]: Abstraction has 286 states and 307 transitions. [2020-09-04 21:22:05,383 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 21:22:05,383 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 307 transitions. [2020-09-04 21:22:05,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-09-04 21:22:05,386 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:22:05,386 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:22:05,386 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 21:22:05,387 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:22:05,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:22:05,387 INFO L82 PathProgramCache]: Analyzing trace with hash 861738255, now seen corresponding path program 1 times [2020-09-04 21:22:05,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:22:05,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [922769144] [2020-09-04 21:22:05,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:22:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:05,794 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:22:05,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:05,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:22:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:05,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:22:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:05,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:22:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:05,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:22:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:05,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:22:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:05,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:22:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:05,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:05,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:22:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:05,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:05,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:05,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-04 21:22:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:05,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-04 21:22:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:06,013 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 21:22:06,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [922769144] [2020-09-04 21:22:06,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:22:06,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 21:22:06,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799875441] [2020-09-04 21:22:06,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 21:22:06,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:22:06,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 21:22:06,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-04 21:22:06,017 INFO L87 Difference]: Start difference. First operand 286 states and 307 transitions. Second operand 7 states. [2020-09-04 21:22:06,561 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:22:08,394 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:09,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:22:09,079 INFO L93 Difference]: Finished difference Result 642 states and 732 transitions. [2020-09-04 21:22:09,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 21:22:09,079 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2020-09-04 21:22:09,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:22:09,086 INFO L225 Difference]: With dead ends: 642 [2020-09-04 21:22:09,086 INFO L226 Difference]: Without dead ends: 471 [2020-09-04 21:22:09,087 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-09-04 21:22:09,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2020-09-04 21:22:09,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 403. [2020-09-04 21:22:09,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-09-04 21:22:09,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 436 transitions. [2020-09-04 21:22:09,210 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 436 transitions. Word has length 183 [2020-09-04 21:22:09,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:22:09,211 INFO L479 AbstractCegarLoop]: Abstraction has 403 states and 436 transitions. [2020-09-04 21:22:09,211 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 21:22:09,211 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 436 transitions. [2020-09-04 21:22:09,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-04 21:22:09,214 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:22:09,214 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:22:09,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 21:22:09,214 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:22:09,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:22:09,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1687407280, now seen corresponding path program 1 times [2020-09-04 21:22:09,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:22:09,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1183088267] [2020-09-04 21:22:09,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:22:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,611 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:22:09,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:22:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:22:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:22:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:22:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:22:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:22:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:22:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:22:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:22:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-04 21:22:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-04 21:22:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,877 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 21:22:09,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1183088267] [2020-09-04 21:22:09,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:22:09,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 21:22:09,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042649863] [2020-09-04 21:22:09,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 21:22:09,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:22:09,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 21:22:09,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 21:22:09,880 INFO L87 Difference]: Start difference. First operand 403 states and 436 transitions. Second operand 10 states. [2020-09-04 21:22:10,443 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:22:11,360 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:11,664 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:22:12,913 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:22:13,193 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:13,515 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:14,009 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:14,310 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:22:14,600 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:15,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:22:15,352 INFO L93 Difference]: Finished difference Result 758 states and 856 transitions. [2020-09-04 21:22:15,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 21:22:15,353 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 207 [2020-09-04 21:22:15,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:22:15,357 INFO L225 Difference]: With dead ends: 758 [2020-09-04 21:22:15,357 INFO L226 Difference]: Without dead ends: 470 [2020-09-04 21:22:15,359 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-04 21:22:15,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2020-09-04 21:22:15,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 402. [2020-09-04 21:22:15,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-09-04 21:22:15,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 433 transitions. [2020-09-04 21:22:15,484 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 433 transitions. Word has length 207 [2020-09-04 21:22:15,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:22:15,485 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 433 transitions. [2020-09-04 21:22:15,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 21:22:15,485 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 433 transitions. [2020-09-04 21:22:15,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-04 21:22:15,488 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:22:15,488 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 21:22:15,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 21:22:15,489 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:22:15,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:22:15,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1406999212, now seen corresponding path program 1 times [2020-09-04 21:22:15,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:22:15,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [506361213] [2020-09-04 21:22:15,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:22:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,816 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:22:15,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:22:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:22:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:22:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:22:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:22:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:22:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:22:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:22:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:22:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:16,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:22:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:16,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:22:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:16,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:22:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:16,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-04 21:22:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:16,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-04 21:22:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:16,066 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:22:16,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [506361213] [2020-09-04 21:22:16,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:22:16,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 21:22:16,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691420661] [2020-09-04 21:22:16,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 21:22:16,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:22:16,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 21:22:16,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 21:22:16,070 INFO L87 Difference]: Start difference. First operand 402 states and 433 transitions. Second operand 10 states. [2020-09-04 21:22:17,485 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:17,790 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:22:18,102 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:22:18,406 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:18,711 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:22:18,988 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:20,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:22:20,176 INFO L93 Difference]: Finished difference Result 761 states and 862 transitions. [2020-09-04 21:22:20,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 21:22:20,177 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 230 [2020-09-04 21:22:20,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:22:20,180 INFO L225 Difference]: With dead ends: 761 [2020-09-04 21:22:20,180 INFO L226 Difference]: Without dead ends: 474 [2020-09-04 21:22:20,182 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 21:22:20,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-09-04 21:22:20,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 410. [2020-09-04 21:22:20,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2020-09-04 21:22:20,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 441 transitions. [2020-09-04 21:22:20,303 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 441 transitions. Word has length 230 [2020-09-04 21:22:20,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:22:20,303 INFO L479 AbstractCegarLoop]: Abstraction has 410 states and 441 transitions. [2020-09-04 21:22:20,303 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 21:22:20,303 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 441 transitions. [2020-09-04 21:22:20,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-04 21:22:20,306 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:22:20,307 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 21:22:20,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 21:22:20,307 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:22:20,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:22:20,308 INFO L82 PathProgramCache]: Analyzing trace with hash -739252812, now seen corresponding path program 1 times [2020-09-04 21:22:20,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:22:20,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [778802095] [2020-09-04 21:22:20,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:22:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,638 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:22:20,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:22:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:22:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:22:20,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:22:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:22:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:22:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:22:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:22:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:22:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:22:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:22:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:22:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-04 21:22:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-04 21:22:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,905 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 21:22:20,906 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [778802095] [2020-09-04 21:22:20,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:22:20,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-04 21:22:20,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181422029] [2020-09-04 21:22:20,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 21:22:20,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:22:20,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 21:22:20,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-09-04 21:22:20,909 INFO L87 Difference]: Start difference. First operand 410 states and 441 transitions. Second operand 13 states. [2020-09-04 21:22:21,598 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:21,918 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:22:22,234 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:22,552 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:22:22,837 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:23,873 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:24,172 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:22:24,485 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:24,802 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:22:25,098 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:26,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:22:26,652 INFO L93 Difference]: Finished difference Result 778 states and 880 transitions. [2020-09-04 21:22:26,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 21:22:26,653 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 230 [2020-09-04 21:22:26,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:22:26,663 INFO L225 Difference]: With dead ends: 778 [2020-09-04 21:22:26,664 INFO L226 Difference]: Without dead ends: 483 [2020-09-04 21:22:26,667 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2020-09-04 21:22:26,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-09-04 21:22:26,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 416. [2020-09-04 21:22:26,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-09-04 21:22:26,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 447 transitions. [2020-09-04 21:22:26,908 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 447 transitions. Word has length 230 [2020-09-04 21:22:26,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:22:26,909 INFO L479 AbstractCegarLoop]: Abstraction has 416 states and 447 transitions. [2020-09-04 21:22:26,909 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 21:22:26,909 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 447 transitions. [2020-09-04 21:22:26,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-04 21:22:26,914 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:22:26,914 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 21:22:26,914 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 21:22:26,914 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:22:26,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:22:26,915 INFO L82 PathProgramCache]: Analyzing trace with hash -12147535, now seen corresponding path program 1 times [2020-09-04 21:22:26,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:22:26,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [888768651] [2020-09-04 21:22:26,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:22:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:27,251 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:22:27,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:27,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:22:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:27,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:22:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:27,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:22:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:27,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:22:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:27,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:22:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:27,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:22:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:27,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:27,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:22:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:27,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:27,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:27,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:22:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:27,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:22:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:27,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:22:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:27,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:22:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:27,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:22:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:27,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-04 21:22:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:27,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-04 21:22:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:27,569 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 21:22:27,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [888768651] [2020-09-04 21:22:27,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:22:27,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 21:22:27,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126586289] [2020-09-04 21:22:27,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 21:22:27,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:22:27,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 21:22:27,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-04 21:22:27,572 INFO L87 Difference]: Start difference. First operand 416 states and 447 transitions. Second operand 7 states. [2020-09-04 21:22:28,164 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:22:28,859 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:22:31,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:22:31,245 INFO L93 Difference]: Finished difference Result 1029 states and 1186 transitions. [2020-09-04 21:22:31,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 21:22:31,246 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2020-09-04 21:22:31,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:22:31,252 INFO L225 Difference]: With dead ends: 1029 [2020-09-04 21:22:31,252 INFO L226 Difference]: Without dead ends: 728 [2020-09-04 21:22:31,254 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-04 21:22:31,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2020-09-04 21:22:31,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 659. [2020-09-04 21:22:31,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-09-04 21:22:31,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 727 transitions. [2020-09-04 21:22:31,496 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 727 transitions. Word has length 230 [2020-09-04 21:22:31,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:22:31,497 INFO L479 AbstractCegarLoop]: Abstraction has 659 states and 727 transitions. [2020-09-04 21:22:31,497 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 21:22:31,497 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 727 transitions. [2020-09-04 21:22:31,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-04 21:22:31,520 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:22:31,520 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 21:22:31,520 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 21:22:31,521 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:22:31,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:22:31,521 INFO L82 PathProgramCache]: Analyzing trace with hash 851733322, now seen corresponding path program 1 times [2020-09-04 21:22:31,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:22:31,522 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [46166318] [2020-09-04 21:22:31,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:22:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:31,968 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:22:31,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:32,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:22:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:32,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:22:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:32,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:22:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:32,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:22:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:32,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:22:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:32,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:22:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:32,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 21:22:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:32,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:32,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 21:22:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:32,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:32,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:32,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:22:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:32,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:22:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:32,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:22:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:32,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:22:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:32,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:22:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:32,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-04 21:22:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:32,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 21:22:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:32,261 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 21:22:32,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [46166318] [2020-09-04 21:22:32,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:22:32,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 21:22:32,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867954119] [2020-09-04 21:22:32,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 21:22:32,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:22:32,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 21:22:32,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-09-04 21:22:32,263 INFO L87 Difference]: Start difference. First operand 659 states and 727 transitions. Second operand 14 states. [2020-09-04 21:22:33,109 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 21:22:34,037 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:22:35,798 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-04 21:22:36,396 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 21:22:36,773 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:37,090 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:22:37,695 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-04 21:22:38,004 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:38,369 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:22:38,673 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:40,634 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:22:40,918 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:41,227 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:41,869 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 21:22:43,510 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-04 21:22:44,110 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-04 21:22:44,775 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 21:22:45,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:22:45,331 INFO L93 Difference]: Finished difference Result 1794 states and 2062 transitions. [2020-09-04 21:22:45,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-09-04 21:22:45,332 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 235 [2020-09-04 21:22:45,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:22:45,340 INFO L225 Difference]: With dead ends: 1794 [2020-09-04 21:22:45,340 INFO L226 Difference]: Without dead ends: 1353 [2020-09-04 21:22:45,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 625 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2020-09-04 21:22:45,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states. [2020-09-04 21:22:45,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 1176. [2020-09-04 21:22:45,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1176 states. [2020-09-04 21:22:45,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1288 transitions. [2020-09-04 21:22:45,736 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1288 transitions. Word has length 235 [2020-09-04 21:22:45,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:22:45,737 INFO L479 AbstractCegarLoop]: Abstraction has 1176 states and 1288 transitions. [2020-09-04 21:22:45,737 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 21:22:45,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1288 transitions. [2020-09-04 21:22:45,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2020-09-04 21:22:45,740 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:22:45,741 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:22:45,741 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 21:22:45,741 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:22:45,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:22:45,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1973699873, now seen corresponding path program 1 times [2020-09-04 21:22:45,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:22:45,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1531134495] [2020-09-04 21:22:45,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:22:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,186 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:22:46,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:22:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:22:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:22:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:22:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:22:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:22:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:22:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:22:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:22:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:22:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:22:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:22:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:22:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:22:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-09-04 21:22:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-04 21:22:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-09-04 21:22:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:22:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:22:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2020-09-04 21:22:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2020-09-04 21:22:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:46,663 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 33 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-09-04 21:22:46,664 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1531134495] [2020-09-04 21:22:46,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:22:46,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:22:46,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228988981] [2020-09-04 21:22:46,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:22:46,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:22:46,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:22:46,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:22:46,666 INFO L87 Difference]: Start difference. First operand 1176 states and 1288 transitions. Second operand 18 states. [2020-09-04 21:22:47,318 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:22:47,764 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:22:48,094 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:22:48,463 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:22:48,786 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:22:49,095 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:22:50,022 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:22:50,389 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:22:50,714 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:22:51,318 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 21:22:52,533 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:22:52,912 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-09-04 21:22:53,755 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:22:54,470 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:22:55,315 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:22:55,948 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:22:56,527 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 21:22:56,946 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:22:57,807 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:58,469 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:22:58,835 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:22:59,585 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-04 21:23:00,236 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-09-04 21:23:01,454 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-04 21:23:01,778 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:23:02,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:23:02,852 INFO L93 Difference]: Finished difference Result 2486 states and 2783 transitions. [2020-09-04 21:23:02,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-09-04 21:23:02,852 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 322 [2020-09-04 21:23:02,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:23:02,864 INFO L225 Difference]: With dead ends: 2486 [2020-09-04 21:23:02,864 INFO L226 Difference]: Without dead ends: 1523 [2020-09-04 21:23:02,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1135 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=824, Invalid=3598, Unknown=0, NotChecked=0, Total=4422 [2020-09-04 21:23:02,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1523 states. [2020-09-04 21:23:03,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1523 to 1387. [2020-09-04 21:23:03,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1387 states. [2020-09-04 21:23:03,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 1527 transitions. [2020-09-04 21:23:03,366 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 1527 transitions. Word has length 322 [2020-09-04 21:23:03,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:23:03,367 INFO L479 AbstractCegarLoop]: Abstraction has 1387 states and 1527 transitions. [2020-09-04 21:23:03,367 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:23:03,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1527 transitions. [2020-09-04 21:23:03,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2020-09-04 21:23:03,374 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:23:03,375 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:23:03,375 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 21:23:03,375 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:23:03,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:23:03,376 INFO L82 PathProgramCache]: Analyzing trace with hash 506947137, now seen corresponding path program 1 times [2020-09-04 21:23:03,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:23:03,376 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [452283107] [2020-09-04 21:23:03,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:23:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,810 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:23:03,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:23:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:23:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:23:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:23:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:23:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:23:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:23:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:23:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:23:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:23:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:23:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 21:23:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2020-09-04 21:23:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:23:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 21:23:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2020-09-04 21:23:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-09-04 21:23:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2020-09-04 21:23:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2020-09-04 21:23:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,583 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 119 proven. 38 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2020-09-04 21:23:04,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [452283107] [2020-09-04 21:23:04,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:23:04,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-04 21:23:04,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497969654] [2020-09-04 21:23:04,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-04 21:23:04,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:23:04,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-04 21:23:04,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2020-09-04 21:23:04,586 INFO L87 Difference]: Start difference. First operand 1387 states and 1527 transitions. Second operand 16 states. [2020-09-04 21:23:06,557 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:23:06,911 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:07,248 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:07,573 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:23:07,866 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:08,161 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:23:09,977 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:10,354 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:23:11,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:23:11,916 INFO L93 Difference]: Finished difference Result 3485 states and 3956 transitions. [2020-09-04 21:23:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-04 21:23:11,917 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 511 [2020-09-04 21:23:11,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:23:11,929 INFO L225 Difference]: With dead ends: 3485 [2020-09-04 21:23:11,929 INFO L226 Difference]: Without dead ends: 2092 [2020-09-04 21:23:11,935 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 109 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=292, Invalid=968, Unknown=0, NotChecked=0, Total=1260 [2020-09-04 21:23:11,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2092 states. [2020-09-04 21:23:12,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2092 to 1781. [2020-09-04 21:23:12,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1781 states. [2020-09-04 21:23:12,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 1781 states and 1994 transitions. [2020-09-04 21:23:12,843 INFO L78 Accepts]: Start accepts. Automaton has 1781 states and 1994 transitions. Word has length 511 [2020-09-04 21:23:12,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:23:12,844 INFO L479 AbstractCegarLoop]: Abstraction has 1781 states and 1994 transitions. [2020-09-04 21:23:12,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-04 21:23:12,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1781 states and 1994 transitions. [2020-09-04 21:23:12,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2020-09-04 21:23:12,853 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:23:12,853 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, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:23:12,854 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 21:23:12,854 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:23:12,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:23:12,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1169542526, now seen corresponding path program 1 times [2020-09-04 21:23:12,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:23:12,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [594601188] [2020-09-04 21:23:12,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:23:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,233 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:23:13,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:23:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:23:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:23:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:23:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:23:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:23:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:23:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:23:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:23:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:23:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:23:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 21:23:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:23:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-09-04 21:23:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:23:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 21:23:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2020-09-04 21:23:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-09-04 21:23:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-09-04 21:23:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2020-09-04 21:23:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2020-09-04 21:23:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:13,941 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2020-09-04 21:23:13,942 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [594601188] [2020-09-04 21:23:13,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:23:13,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:23:13,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365097763] [2020-09-04 21:23:13,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:23:13,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:23:13,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:23:13,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:23:13,945 INFO L87 Difference]: Start difference. First operand 1781 states and 1994 transitions. Second operand 18 states. [2020-09-04 21:23:14,498 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:23:14,951 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:15,232 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:23:15,562 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:15,888 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:23:16,206 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:17,158 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:23:17,486 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:18,890 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:23:19,286 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:19,649 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:23:20,121 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:23:20,840 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:23:21,165 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:22,282 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:23:22,628 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:23,011 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:23:23,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:23:23,875 INFO L93 Difference]: Finished difference Result 3330 states and 3769 transitions. [2020-09-04 21:23:23,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-09-04 21:23:23,876 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 525 [2020-09-04 21:23:23,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:23:23,886 INFO L225 Difference]: With dead ends: 3330 [2020-09-04 21:23:23,886 INFO L226 Difference]: Without dead ends: 1794 [2020-09-04 21:23:23,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=441, Invalid=1815, Unknown=0, NotChecked=0, Total=2256 [2020-09-04 21:23:23,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2020-09-04 21:23:24,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1717. [2020-09-04 21:23:24,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1717 states. [2020-09-04 21:23:24,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1717 states and 1903 transitions. [2020-09-04 21:23:24,723 INFO L78 Accepts]: Start accepts. Automaton has 1717 states and 1903 transitions. Word has length 525 [2020-09-04 21:23:24,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:23:24,724 INFO L479 AbstractCegarLoop]: Abstraction has 1717 states and 1903 transitions. [2020-09-04 21:23:24,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:23:24,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 1903 transitions. [2020-09-04 21:23:24,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2020-09-04 21:23:24,729 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:23:24,730 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:23:24,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 21:23:24,730 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:23:24,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:23:24,730 INFO L82 PathProgramCache]: Analyzing trace with hash 494945794, now seen corresponding path program 1 times [2020-09-04 21:23:24,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:23:24,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1250521645] [2020-09-04 21:23:24,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:23:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,082 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:23:25,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:23:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:23:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:23:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:23:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:23:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:23:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:23:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:23:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:23:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:23:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:23:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 21:23:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:23:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-09-04 21:23:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:23:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 21:23:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2020-09-04 21:23:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-09-04 21:23:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2020-09-04 21:23:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-09-04 21:23:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:25,488 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 104 proven. 2 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2020-09-04 21:23:25,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1250521645] [2020-09-04 21:23:25,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:23:25,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-04 21:23:25,489 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462400139] [2020-09-04 21:23:25,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-04 21:23:25,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:23:25,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-04 21:23:25,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-09-04 21:23:25,491 INFO L87 Difference]: Start difference. First operand 1717 states and 1903 transitions. Second operand 12 states. [2020-09-04 21:23:28,944 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:23:29,320 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:29,698 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:23:30,071 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:23:30,465 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:30,824 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:23:31,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:23:31,614 INFO L93 Difference]: Finished difference Result 3259 states and 3654 transitions. [2020-09-04 21:23:31,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 21:23:31,614 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 522 [2020-09-04 21:23:31,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:23:31,624 INFO L225 Difference]: With dead ends: 3259 [2020-09-04 21:23:31,624 INFO L226 Difference]: Without dead ends: 1787 [2020-09-04 21:23:31,629 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-04 21:23:31,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1787 states. [2020-09-04 21:23:32,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1787 to 1741. [2020-09-04 21:23:32,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1741 states. [2020-09-04 21:23:32,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 1927 transitions. [2020-09-04 21:23:32,311 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 1927 transitions. Word has length 522 [2020-09-04 21:23:32,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:23:32,312 INFO L479 AbstractCegarLoop]: Abstraction has 1741 states and 1927 transitions. [2020-09-04 21:23:32,312 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-04 21:23:32,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 1927 transitions. [2020-09-04 21:23:32,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2020-09-04 21:23:32,319 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:23:32,319 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:23:32,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 21:23:32,320 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:23:32,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:23:32,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1300304286, now seen corresponding path program 1 times [2020-09-04 21:23:32,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:23:32,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1862507860] [2020-09-04 21:23:32,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:23:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:32,736 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:23:32,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:32,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:23:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:32,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:23:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:32,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:23:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:32,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:23:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:32,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:23:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:32,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:23:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:32,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:23:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:32,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:32,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:32,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:23:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:32,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:32,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:32,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:32,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:32,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:32,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:32,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:32,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:23:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:32,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:32,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:23:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:23:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 21:23:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:23:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-09-04 21:23:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:23:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 21:23:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2020-09-04 21:23:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-09-04 21:23:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2020-09-04 21:23:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-09-04 21:23:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:33,485 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 138 proven. 41 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-09-04 21:23:33,485 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1862507860] [2020-09-04 21:23:33,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:23:33,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:23:33,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490324970] [2020-09-04 21:23:33,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:23:33,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:23:33,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:23:33,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:23:33,487 INFO L87 Difference]: Start difference. First operand 1741 states and 1927 transitions. Second operand 18 states. [2020-09-04 21:23:34,152 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:23:35,185 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:23:36,804 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:37,146 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:23:37,812 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 21:23:38,132 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:38,729 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 21:23:39,041 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:23:39,620 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 21:23:41,807 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:23:42,111 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:42,422 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:42,726 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:23:43,020 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:44,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:23:44,772 INFO L93 Difference]: Finished difference Result 3458 states and 3939 transitions. [2020-09-04 21:23:44,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-09-04 21:23:44,772 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 522 [2020-09-04 21:23:44,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:23:44,782 INFO L225 Difference]: With dead ends: 3458 [2020-09-04 21:23:44,783 INFO L226 Difference]: Without dead ends: 2431 [2020-09-04 21:23:44,787 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 118 SyntacticMatches, 8 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 786 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=505, Invalid=2251, Unknown=0, NotChecked=0, Total=2756 [2020-09-04 21:23:44,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2431 states. [2020-09-04 21:23:45,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2431 to 2214. [2020-09-04 21:23:45,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2214 states. [2020-09-04 21:23:45,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 2438 transitions. [2020-09-04 21:23:45,874 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 2438 transitions. Word has length 522 [2020-09-04 21:23:45,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:23:45,874 INFO L479 AbstractCegarLoop]: Abstraction has 2214 states and 2438 transitions. [2020-09-04 21:23:45,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:23:45,875 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 2438 transitions. [2020-09-04 21:23:45,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2020-09-04 21:23:45,882 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:23:45,883 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 21:23:45,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-04 21:23:45,883 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:23:45,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:23:45,884 INFO L82 PathProgramCache]: Analyzing trace with hash 281031081, now seen corresponding path program 1 times [2020-09-04 21:23:45,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:23:45,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1215301539] [2020-09-04 21:23:45,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:23:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,275 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:23:46,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:23:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:23:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:23:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:23:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:23:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:23:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:23:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:23:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:23:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:46,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:23:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:23:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 21:23:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:23:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-09-04 21:23:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:23:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 21:23:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:23:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-09-04 21:23:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-09-04 21:23:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-09-04 21:23:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:46,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-09-04 21:23:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:47,100 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 134 proven. 64 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2020-09-04 21:23:47,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1215301539] [2020-09-04 21:23:47,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:23:47,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-04 21:23:47,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125391770] [2020-09-04 21:23:47,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-04 21:23:47,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:23:47,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-04 21:23:47,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2020-09-04 21:23:47,102 INFO L87 Difference]: Start difference. First operand 2214 states and 2438 transitions. Second operand 16 states. [2020-09-04 21:23:47,697 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:23:49,337 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:23:50,312 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:50,650 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:23:51,274 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:23:51,605 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:52,218 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-04 21:23:52,597 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:23:53,173 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:23:53,787 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:23:54,440 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 196 [2020-09-04 21:23:55,022 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:23:55,312 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:23:57,095 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:57,435 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:23:58,564 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:23:59,743 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:24:00,096 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:24:00,718 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:24:01,026 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:24:01,644 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:24:01,951 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:24:02,529 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:24:02,868 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:24:03,223 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:24:03,548 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:24:06,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:24:06,403 INFO L93 Difference]: Finished difference Result 4818 states and 5431 transitions. [2020-09-04 21:24:06,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-09-04 21:24:06,404 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 532 [2020-09-04 21:24:06,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:24:06,419 INFO L225 Difference]: With dead ends: 4818 [2020-09-04 21:24:06,420 INFO L226 Difference]: Without dead ends: 3299 [2020-09-04 21:24:06,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 128 SyntacticMatches, 9 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1667 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=876, Invalid=4380, Unknown=0, NotChecked=0, Total=5256 [2020-09-04 21:24:06,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3299 states. [2020-09-04 21:24:07,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3299 to 2964. [2020-09-04 21:24:07,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2964 states. [2020-09-04 21:24:07,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2964 states to 2964 states and 3256 transitions. [2020-09-04 21:24:07,533 INFO L78 Accepts]: Start accepts. Automaton has 2964 states and 3256 transitions. Word has length 532 [2020-09-04 21:24:07,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:24:07,534 INFO L479 AbstractCegarLoop]: Abstraction has 2964 states and 3256 transitions. [2020-09-04 21:24:07,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-04 21:24:07,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2964 states and 3256 transitions. [2020-09-04 21:24:07,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2020-09-04 21:24:07,543 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:24:07,544 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 21:24:07,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-04 21:24:07,545 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:24:07,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:24:07,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1296395925, now seen corresponding path program 1 times [2020-09-04 21:24:07,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:24:07,546 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1288686887] [2020-09-04 21:24:07,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:24:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:07,981 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:24:07,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:24:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:24:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:24:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:24:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:24:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:24:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:24:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:24:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:24:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:24:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:24:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:24:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:24:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:24:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:24:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:24:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:24:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 21:24:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:24:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-09-04 21:24:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:24:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:24:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:24:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 21:24:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:24:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2020-09-04 21:24:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-09-04 21:24:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:24:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:24:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 21:24:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:24:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-09-04 21:24:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2020-09-04 21:24:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2020-09-04 21:24:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:24:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:24:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:24:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:24:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2020-09-04 21:24:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:08,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2020-09-04 21:24:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:09,016 INFO L134 CoverageAnalysis]: Checked inductivity of 818 backedges. 216 proven. 72 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2020-09-04 21:24:09,016 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1288686887] [2020-09-04 21:24:09,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:24:09,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-04 21:24:09,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382237492] [2020-09-04 21:24:09,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-04 21:24:09,018 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:24:09,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-04 21:24:09,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2020-09-04 21:24:09,019 INFO L87 Difference]: Start difference. First operand 2964 states and 3256 transitions. Second operand 23 states. [2020-09-04 21:24:09,653 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:24:11,952 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-04 21:24:13,235 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:24:13,610 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:24:14,316 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-04 21:24:14,953 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 21:24:15,614 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-09-04 21:24:16,256 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-04 21:24:16,896 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-04 21:24:17,568 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-04 21:24:18,311 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 196 [2020-09-04 21:24:18,956 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-04 21:24:19,549 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-04 21:24:21,696 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-09-04 21:24:22,598 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-09-04 21:24:23,265 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 195 [2020-09-04 21:24:23,974 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-04 21:24:24,632 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-04 21:24:26,073 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-04 21:24:26,713 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2020-09-04 21:24:27,340 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-04 21:24:27,993 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-04 21:24:28,638 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-04 21:24:29,666 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 21:24:29,969 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:24:30,458 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:24:30,829 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:24:31,194 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:24:31,531 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:24:31,878 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:24:32,230 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 21:24:32,560 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:24:32,913 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:24:33,264 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:24:33,590 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:24:33,901 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:24:35,094 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:24:35,679 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 21:24:36,021 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:24:36,711 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-09-04 21:24:37,343 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:24:38,004 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 197 [2020-09-04 21:24:38,331 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:24:38,959 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-04 21:24:39,307 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:24:40,014 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 202 [2020-09-04 21:24:40,629 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:24:41,279 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 197 [2020-09-04 21:24:41,654 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:24:42,057 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:24:42,426 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:24:45,552 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 21:24:46,187 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 196 [2020-09-04 21:24:48,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:24:48,738 INFO L93 Difference]: Finished difference Result 6555 states and 7300 transitions. [2020-09-04 21:24:48,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2020-09-04 21:24:48,740 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 635 [2020-09-04 21:24:48,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:24:48,762 INFO L225 Difference]: With dead ends: 6555 [2020-09-04 21:24:48,762 INFO L226 Difference]: Without dead ends: 4073 [2020-09-04 21:24:48,773 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 158 SyntacticMatches, 5 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4584 ImplicationChecksByTransitivity, 28.2s TimeCoverageRelationStatistics Valid=2007, Invalid=11103, Unknown=0, NotChecked=0, Total=13110 [2020-09-04 21:24:48,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4073 states. [2020-09-04 21:24:49,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4073 to 3147. [2020-09-04 21:24:49,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3147 states. [2020-09-04 21:24:49,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3147 states to 3147 states and 3422 transitions. [2020-09-04 21:24:49,955 INFO L78 Accepts]: Start accepts. Automaton has 3147 states and 3422 transitions. Word has length 635 [2020-09-04 21:24:49,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:24:49,956 INFO L479 AbstractCegarLoop]: Abstraction has 3147 states and 3422 transitions. [2020-09-04 21:24:49,956 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-04 21:24:49,956 INFO L276 IsEmpty]: Start isEmpty. Operand 3147 states and 3422 transitions. [2020-09-04 21:24:49,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2020-09-04 21:24:49,966 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:24:49,967 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:24:49,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-04 21:24:49,967 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:24:49,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:24:49,968 INFO L82 PathProgramCache]: Analyzing trace with hash -28482538, now seen corresponding path program 2 times [2020-09-04 21:24:49,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:24:49,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1807750069] [2020-09-04 21:24:49,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:24:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,409 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:24:50,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:24:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:24:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:24:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:24:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:24:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:24:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:24:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:24:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:24:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:24:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:24:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:24:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:24:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:24:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:24:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:24:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:24:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 21:24:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:24:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-04 21:24:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-09-04 21:24:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:24:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:24:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:24:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 21:24:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:24:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-09-04 21:24:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:24:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:24:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:24:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 21:24:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:24:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2020-09-04 21:24:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2020-09-04 21:24:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:24:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:24:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:24:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:24:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2020-09-04 21:24:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:50,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2020-09-04 21:24:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 245 proven. 10 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2020-09-04 21:24:51,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1807750069] [2020-09-04 21:24:51,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:24:51,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-04 21:24:51,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231500140] [2020-09-04 21:24:51,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-04 21:24:51,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:24:51,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-04 21:24:51,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-09-04 21:24:51,312 INFO L87 Difference]: Start difference. First operand 3147 states and 3422 transitions. Second operand 12 states. [2020-09-04 21:24:51,916 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:24:52,696 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:24:53,481 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:24:56,037 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:24:59,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:24:59,403 INFO L93 Difference]: Finished difference Result 6675 states and 7398 transitions. [2020-09-04 21:24:59,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-09-04 21:24:59,403 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 635 [2020-09-04 21:24:59,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:24:59,417 INFO L225 Difference]: With dead ends: 6675 [2020-09-04 21:24:59,417 INFO L226 Difference]: Without dead ends: 3714 [2020-09-04 21:24:59,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 144 SyntacticMatches, 7 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=343, Invalid=1297, Unknown=0, NotChecked=0, Total=1640 [2020-09-04 21:24:59,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3714 states. [2020-09-04 21:25:00,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3714 to 3236. [2020-09-04 21:25:00,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3236 states. [2020-09-04 21:25:00,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3236 states to 3236 states and 3490 transitions. [2020-09-04 21:25:00,623 INFO L78 Accepts]: Start accepts. Automaton has 3236 states and 3490 transitions. Word has length 635 [2020-09-04 21:25:00,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:25:00,625 INFO L479 AbstractCegarLoop]: Abstraction has 3236 states and 3490 transitions. [2020-09-04 21:25:00,625 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-04 21:25:00,625 INFO L276 IsEmpty]: Start isEmpty. Operand 3236 states and 3490 transitions. [2020-09-04 21:25:00,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 738 [2020-09-04 21:25:00,634 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:25:00,635 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:25:00,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-04 21:25:00,635 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:25:00,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:25:00,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1756896056, now seen corresponding path program 1 times [2020-09-04 21:25:00,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:25:00,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2075370789] [2020-09-04 21:25:00,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:25:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,063 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:25:01,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:25:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:25:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:25:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:25:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:25:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:25:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:25:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:25:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:25:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:25:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:25:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:25:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:25:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:25:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:25:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:25:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:25:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:25:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:25:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 21:25:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:25:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-09-04 21:25:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:25:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:25:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:25:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:25:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 21:25:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:25:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-09-04 21:25:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-09-04 21:25:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:25:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 21:25:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:25:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:25:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:25:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:25:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2020-09-04 21:25:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2020-09-04 21:25:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:25:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:25:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:25:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 21:25:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:25:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2020-09-04 21:25:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2020-09-04 21:25:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2020-09-04 21:25:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:25:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:25:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:25:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:25:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:25:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 714 [2020-09-04 21:25:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2020-09-04 21:25:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:01,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1251 backedges. 285 proven. 24 refuted. 0 times theorem prover too weak. 942 trivial. 0 not checked. [2020-09-04 21:25:01,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2075370789] [2020-09-04 21:25:01,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:25:01,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-04 21:25:01,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224702449] [2020-09-04 21:25:01,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 21:25:01,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:25:01,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 21:25:01,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-09-04 21:25:01,763 INFO L87 Difference]: Start difference. First operand 3236 states and 3490 transitions. Second operand 11 states. [2020-09-04 21:25:02,337 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:25:04,332 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:25:05,842 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:25:07,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:25:07,275 INFO L93 Difference]: Finished difference Result 5794 states and 6293 transitions. [2020-09-04 21:25:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-04 21:25:07,276 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 737 [2020-09-04 21:25:07,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:25:07,293 INFO L225 Difference]: With dead ends: 5794 [2020-09-04 21:25:07,293 INFO L226 Difference]: Without dead ends: 3445 [2020-09-04 21:25:07,299 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 167 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=216, Invalid=714, Unknown=0, NotChecked=0, Total=930 [2020-09-04 21:25:07,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3445 states. [2020-09-04 21:25:08,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3445 to 3305. [2020-09-04 21:25:08,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3305 states. [2020-09-04 21:25:08,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3305 states to 3305 states and 3546 transitions. [2020-09-04 21:25:08,552 INFO L78 Accepts]: Start accepts. Automaton has 3305 states and 3546 transitions. Word has length 737 [2020-09-04 21:25:08,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:25:08,552 INFO L479 AbstractCegarLoop]: Abstraction has 3305 states and 3546 transitions. [2020-09-04 21:25:08,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 21:25:08,552 INFO L276 IsEmpty]: Start isEmpty. Operand 3305 states and 3546 transitions. [2020-09-04 21:25:08,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 739 [2020-09-04 21:25:08,558 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:25:08,558 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:25:08,559 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-04 21:25:08,559 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:25:08,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:25:08,559 INFO L82 PathProgramCache]: Analyzing trace with hash 700609416, now seen corresponding path program 2 times [2020-09-04 21:25:08,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:25:08,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [642065521] [2020-09-04 21:25:08,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:25:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:08,974 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:25:08,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:25:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:25:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:25:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:25:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:25:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:25:09,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:25:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:25:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:25:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:25:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:25:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:25:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:25:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:25:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:25:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:25:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:25:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:25:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:25:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 21:25:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:25:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-04 21:25:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-09-04 21:25:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:25:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:25:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:25:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:25:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 21:25:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:25:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-09-04 21:25:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:25:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:25:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:25:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:25:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 21:25:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:25:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2020-09-04 21:25:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2020-09-04 21:25:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:25:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:25:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:25:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 21:25:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:25:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2020-09-04 21:25:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 638 [2020-09-04 21:25:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:25:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 652 [2020-09-04 21:25:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:25:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:25:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:25:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:25:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:25:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:25:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 715 [2020-09-04 21:25:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:09,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2020-09-04 21:25:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:25:10,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1253 backedges. 330 proven. 30 refuted. 0 times theorem prover too weak. 893 trivial. 0 not checked. [2020-09-04 21:25:10,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [642065521] [2020-09-04 21:25:10,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:25:10,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:25:10,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046646692] [2020-09-04 21:25:10,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:25:10,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:25:10,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:25:10,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:25:10,027 INFO L87 Difference]: Start difference. First operand 3305 states and 3546 transitions. Second operand 18 states. [2020-09-04 21:25:10,918 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-04 21:25:11,889 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:25:14,588 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:25:15,243 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:25:15,854 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-04 21:25:17,054 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:25:17,468 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:25:17,820 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:25:18,172 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:25:18,523 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:25:18,856 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:25:20,082 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-04 21:25:21,184 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 199 [2020-09-04 21:25:21,882 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 205 [2020-09-04 21:25:22,537 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2020-09-04 21:25:23,271 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 199 [2020-09-04 21:25:23,911 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2020-09-04 21:25:25,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:25:25,707 INFO L93 Difference]: Finished difference Result 4685 states and 5068 transitions. [2020-09-04 21:25:25,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-09-04 21:25:25,708 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 738 [2020-09-04 21:25:25,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:25:25,711 INFO L225 Difference]: With dead ends: 4685 [2020-09-04 21:25:25,711 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 21:25:25,721 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 177 SyntacticMatches, 4 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1217 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=833, Invalid=3327, Unknown=0, NotChecked=0, Total=4160 [2020-09-04 21:25:25,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 21:25:25,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 21:25:25,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 21:25:25,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 21:25:25,723 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 738 [2020-09-04 21:25:25,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:25:25,723 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 21:25:25,723 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:25:25,723 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 21:25:25,724 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 21:25:25,724 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-04 21:25:25,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 21:25:26,276 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 197 [2020-09-04 21:25:26,645 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:25:26,824 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:25:27,003 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 21:25:27,398 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:25:27,800 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:25:28,205 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:25:28,603 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:25:29,270 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 200 [2020-09-04 21:25:29,667 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:25:29,847 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:25:30,026 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:25:30,397 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:25:30,571 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:25:30,743 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:25:31,344 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:25:31,713 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:25:32,600 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 230 [2020-09-04 21:25:32,780 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:25:33,172 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:25:33,681 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 196 [2020-09-04 21:25:34,074 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:25:34,457 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:25:35,427 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 219 [2020-09-04 21:25:35,793 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:25:36,398 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:25:39,890 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 366 DAG size of output: 306 [2020-09-04 21:25:40,326 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:25:41,337 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-09-04 21:25:41,753 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:25:42,183 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:25:42,611 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 237 [2020-09-04 21:25:43,050 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 21:25:43,474 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-09-04 21:25:43,895 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:25:44,301 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:25:44,739 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2020-09-04 21:25:45,147 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:25:45,570 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:25:46,010 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:25:46,441 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:25:46,875 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 242 [2020-09-04 21:25:47,284 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:25:47,691 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:25:47,898 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 21:25:48,324 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 242 [2020-09-04 21:25:48,763 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 243 [2020-09-04 21:25:49,205 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 244 [2020-09-04 21:25:49,405 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-04 21:25:49,824 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 241 [2020-09-04 21:25:50,255 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 21:25:50,688 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 243 [2020-09-04 21:25:51,103 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 21:25:51,538 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 241 [2020-09-04 21:25:52,022 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 242 [2020-09-04 21:25:52,973 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 243 [2020-09-04 21:25:53,398 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:25:53,840 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 240 [2020-09-04 21:25:54,283 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 240 [2020-09-04 21:25:54,736 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-09-04 21:25:55,168 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 240 [2020-09-04 21:25:55,588 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:25:56,007 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:25:56,461 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 241 [2020-09-04 21:25:56,885 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-09-04 21:25:57,314 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 21:25:57,763 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-09-04 21:25:58,210 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:25:58,660 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-09-04 21:25:59,077 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-09-04 21:25:59,491 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:25:59,701 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-04 21:26:00,134 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 244 [2020-09-04 21:26:00,589 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 246 [2020-09-04 21:26:01,040 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 246 [2020-09-04 21:26:01,246 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-04 21:26:01,670 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 243 [2020-09-04 21:26:02,111 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:26:02,552 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-09-04 21:26:02,981 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2020-09-04 21:26:03,429 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 244 [2020-09-04 21:26:03,864 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 244 [2020-09-04 21:26:04,342 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:26:04,971 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:26:06,010 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:26:06,188 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:26:06,800 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:26:06,977 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:26:08,021 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:26:08,491 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:26:08,959 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:26:09,422 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:26:09,878 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:26:10,064 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:26:10,529 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:26:11,140 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:26:12,129 WARN L193 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 219 [2020-09-04 21:26:12,537 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:26:12,746 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 209 [2020-09-04 21:26:13,202 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:26:14,118 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 219 [2020-09-04 21:26:14,540 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:26:15,339 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:26:15,751 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:26:17,754 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 265 DAG size of output: 257 [2020-09-04 21:26:18,198 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:26:19,559 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 231 DAG size of output: 223 [2020-09-04 21:26:20,001 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:26:21,077 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 266 DAG size of output: 254 [2020-09-04 21:26:21,487 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:26:22,278 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:26:22,783 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 207 [2020-09-04 21:26:23,476 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 242 [2020-09-04 21:26:23,983 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:26:24,732 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 241 [2020-09-04 21:26:25,030 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 205 [2020-09-04 21:26:25,752 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 245 [2020-09-04 21:26:26,256 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:26:26,555 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 205 [2020-09-04 21:26:27,167 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 241 [2020-09-04 21:26:27,483 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 206 [2020-09-04 21:26:27,796 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 206 [2020-09-04 21:26:28,480 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 21:26:28,788 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 206 [2020-09-04 21:26:29,096 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 206 [2020-09-04 21:26:30,668 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 266 DAG size of output: 250 [2020-09-04 21:26:30,966 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 205 [2020-09-04 21:26:31,363 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 207 [2020-09-04 21:26:32,088 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 245 [2020-09-04 21:26:33,665 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 266 DAG size of output: 250 [2020-09-04 21:26:34,377 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 244 [2020-09-04 21:26:34,879 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:26:36,379 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 281 DAG size of output: 260 [2020-09-04 21:26:37,300 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-09-04 21:26:37,690 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:26:38,082 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:26:38,477 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:26:38,853 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:26:39,755 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:26:40,163 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:26:40,534 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:26:40,938 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:26:41,318 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:26:41,691 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:26:42,087 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:26:42,556 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:26:42,939 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:26:43,115 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:26:43,495 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:26:43,886 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:26:44,267 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:26:44,444 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:26:44,620 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:26:45,016 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:26:45,905 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:26:46,284 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:26:46,456 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:26:46,844 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:26:47,016 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:26:47,403 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:26:47,779 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:26:48,121 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 199 [2020-09-04 21:26:48,526 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:26:49,286 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-09-04 21:26:49,883 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 197 [2020-09-04 21:26:51,607 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:26:51,990 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 199 [2020-09-04 21:26:53,056 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 256 DAG size of output: 230 [2020-09-04 21:26:54,344 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 254 DAG size of output: 205 [2020-09-04 21:26:54,711 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:26:54,883 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:26:55,280 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:26:55,653 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:26:56,037 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:26:56,404 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:26:56,779 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:26:57,181 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:26:57,540 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 197 [2020-09-04 21:26:57,914 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:26:58,097 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:26:58,500 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:26:58,890 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:26:59,658 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-09-04 21:27:00,040 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:27:01,362 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 246 DAG size of output: 244 [2020-09-04 21:27:01,757 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:27:02,195 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 195 [2020-09-04 21:27:02,587 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:27:02,983 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:27:03,393 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:27:04,024 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:27:04,405 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:27:04,785 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:27:05,182 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 197 [2020-09-04 21:27:06,057 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 21:27:07,019 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 198 [2020-09-04 21:27:07,595 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:27:07,967 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:27:08,144 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:27:08,532 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:27:08,704 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:27:09,092 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:27:09,497 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:27:09,871 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:27:10,269 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:27:10,657 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:27:11,047 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 196 [2020-09-04 21:27:11,443 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:27:12,339 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-09-04 21:27:14,181 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 255 DAG size of output: 246 [2020-09-04 21:27:14,549 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:27:14,721 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:27:15,265 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 233 [2020-09-04 21:27:15,669 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:27:16,060 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:27:17,405 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-09-04 21:27:17,779 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:27:18,157 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:27:19,180 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 255 DAG size of output: 201 [2020-09-04 21:27:19,356 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:27:19,533 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:27:20,159 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:27:20,745 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 198 [2020-09-04 21:27:21,126 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:27:21,746 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 230 [2020-09-04 21:27:22,120 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:27:22,772 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 196 [2020-09-04 21:27:23,114 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 199 [2020-09-04 21:27:24,126 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-09-04 21:27:24,536 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:27:24,965 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:27:25,393 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 237 [2020-09-04 21:27:25,830 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 21:27:26,253 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-09-04 21:27:26,664 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:27:27,076 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:27:27,514 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2020-09-04 21:27:27,923 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:27:28,345 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:27:28,782 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:27:29,215 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:27:29,648 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 242 [2020-09-04 21:27:30,060 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:27:30,468 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:27:30,727 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 21:27:31,152 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 242 [2020-09-04 21:27:31,590 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 243 [2020-09-04 21:27:32,034 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 244 [2020-09-04 21:27:32,234 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-04 21:27:32,651 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 241 [2020-09-04 21:27:33,081 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 21:27:33,512 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 243 [2020-09-04 21:27:33,927 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 21:27:34,361 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 241 [2020-09-04 21:27:34,786 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 242 [2020-09-04 21:27:35,742 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 21:27:36,136 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:27:36,546 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:27:36,958 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 21:27:37,379 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:27:37,796 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:27:38,202 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:27:38,590 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:27:39,012 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 21:27:39,405 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 21:27:39,820 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:27:40,252 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 21:27:40,670 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:27:41,088 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 21:27:41,490 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:27:41,888 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:27:42,087 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-09-04 21:27:42,503 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 21:27:42,927 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 21:27:43,361 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 242 [2020-09-04 21:27:43,556 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-04 21:27:43,964 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 21:27:44,386 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 21:27:44,810 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 241 [2020-09-04 21:27:45,210 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:27:45,626 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 238 [2020-09-04 21:27:46,044 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 21:27:48,785 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 366 DAG size of output: 306 [2020-09-04 21:27:49,698 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:27:53,636 WARN L193 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 443 DAG size of output: 376 [2020-09-04 21:27:54,657 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 248 DAG size of output: 237 [2020-09-04 21:27:56,013 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 21:27:58,600 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 258 DAG size of output: 253 [2020-09-04 21:27:59,472 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 238 [2020-09-04 21:28:02,304 WARN L193 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 271 DAG size of output: 265 [2020-09-04 21:28:04,210 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 260 DAG size of output: 248 [2020-09-04 21:28:04,635 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:28:05,037 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:28:05,495 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-09-04 21:28:05,929 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:28:06,366 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:28:06,790 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:28:07,226 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:28:07,689 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 247 [2020-09-04 21:28:08,225 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 216 [2020-09-04 21:28:08,661 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:28:09,078 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:28:09,544 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-09-04 21:28:09,995 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-09-04 21:28:11,016 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 248 DAG size of output: 237 [2020-09-04 21:28:11,426 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:28:13,512 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 252 DAG size of output: 250 [2020-09-04 21:28:13,939 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:28:14,675 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 219 [2020-09-04 21:28:15,130 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-09-04 21:28:15,557 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:28:16,000 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 21:28:16,850 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 248 [2020-09-04 21:28:17,293 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 21:28:17,736 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 21:28:18,584 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 236 [2020-09-04 21:28:19,740 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 247 DAG size of output: 238 [2020-09-04 21:28:21,096 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 256 DAG size of output: 238 [2020-09-04 21:28:21,813 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 247 [2020-09-04 21:28:22,217 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:28:22,623 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:28:23,042 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:28:23,444 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:28:23,860 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:28:24,325 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 247 [2020-09-04 21:28:24,758 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:28:25,221 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2020-09-04 21:28:25,671 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-09-04 21:28:26,505 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 235 [2020-09-04 21:28:26,930 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:28:28,473 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2020-09-04 21:28:31,217 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 261 DAG size of output: 256 [2020-09-04 21:28:31,613 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:28:32,015 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:28:33,018 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 244 DAG size of output: 239 [2020-09-04 21:28:33,483 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2020-09-04 21:28:33,936 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-09-04 21:28:36,029 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 253 DAG size of output: 251 [2020-09-04 21:28:36,464 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:28:36,903 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 244 [2020-09-04 21:28:38,482 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 270 DAG size of output: 235 [2020-09-04 21:28:38,893 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:28:39,304 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:28:40,151 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 248 [2020-09-04 21:28:41,201 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 21:28:41,615 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:28:42,547 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 236 [2020-09-04 21:28:42,983 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:28:44,985 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 237 DAG size of output: 231 [2020-09-04 21:28:45,398 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:28:46,843 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 255 DAG size of output: 241 [2020-09-04 21:28:48,235 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 255 DAG size of output: 241 [2020-09-04 21:28:48,942 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:28:49,626 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:28:50,328 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:28:51,023 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:28:52,791 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 269 DAG size of output: 232 [2020-09-04 21:28:53,458 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:28:53,847 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:28:54,371 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:28:55,394 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 249 DAG size of output: 239 [2020-09-04 21:28:55,828 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:28:56,267 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:28:56,710 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:28:57,131 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:28:58,302 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 252 DAG size of output: 240 [2020-09-04 21:28:58,754 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 21:28:59,169 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:28:59,617 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:29:00,043 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:29:00,461 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:29:00,904 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:29:01,363 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:29:01,791 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:29:02,000 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 21:29:02,427 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:29:02,862 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:29:03,286 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:29:03,495 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 21:29:03,703 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 21:29:04,145 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:29:05,125 WARN L193 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:29:05,550 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:29:05,753 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-04 21:29:06,187 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:29:06,389 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-04 21:29:06,823 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:29:07,246 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:29:07,615 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 207 [2020-09-04 21:29:08,103 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 197 [2020-09-04 21:29:08,499 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:29:08,675 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:29:09,085 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:29:09,485 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:29:09,661 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 21:29:10,026 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:29:10,390 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 199 [2020-09-04 21:29:10,786 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:29:10,961 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:29:11,341 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:29:11,978 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 200 [2020-09-04 21:29:12,350 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:29:12,531 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:29:12,702 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:29:12,884 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:29:13,062 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:29:13,239 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:29:13,626 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:29:13,802 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:29:14,170 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:29:14,908 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:29:15,301 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:29:15,692 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:29:16,289 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:29:17,252 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 219 [2020-09-04 21:29:18,138 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 230 [2020-09-04 21:29:18,500 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:29:19,004 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 196 [2020-09-04 21:29:19,606 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:29:20,002 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:29:20,452 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:29:20,851 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:29:21,262 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:29:21,469 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 21:29:21,676 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 21:29:22,117 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:29:22,329 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-04 21:29:22,772 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:29:23,234 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:29:23,630 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:29:23,846 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-04 21:29:24,774 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:29:25,842 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 246 DAG size of output: 232 [2020-09-04 21:29:26,906 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 246 DAG size of output: 232 [2020-09-04 21:29:27,576 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:29:28,218 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:29:28,885 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:29:29,539 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:29:30,693 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 249 DAG size of output: 232 [2020-09-04 21:29:31,320 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:29:32,231 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:29:32,661 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:29:33,060 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:29:33,441 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:29:34,338 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-09-04 21:29:34,741 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:29:35,637 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-09-04 21:29:36,039 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:29:36,639 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:29:37,011 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:29:37,402 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:29:38,368 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 219 [2020-09-04 21:29:38,732 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:29:38,908 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 21:29:39,420 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 196 [2020-09-04 21:29:39,822 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:29:40,463 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 200 [2020-09-04 21:29:41,347 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 230 [2020-09-04 21:29:41,944 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:29:42,307 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:29:42,777 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 197 [2020-09-04 21:29:43,174 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:29:43,537 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:29:46,111 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:29:46,300 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:29:46,790 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-09-04 21:29:47,268 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 21:29:47,757 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-09-04 21:29:48,362 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:29:48,841 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 21:29:49,470 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:29:49,947 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-09-04 21:29:50,127 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:29:51,193 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 246 DAG size of output: 245 [2020-09-04 21:29:51,688 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-09-04 21:29:51,866 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:29:52,937 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:29:53,542 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:29:57,469 WARN L193 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 443 DAG size of output: 376 [2020-09-04 21:29:58,496 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 255 DAG size of output: 201 [2020-09-04 21:29:58,869 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:29:59,924 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 256 DAG size of output: 230 [2020-09-04 21:30:00,493 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 198 [2020-09-04 21:30:01,045 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 198 [2020-09-04 21:30:01,217 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:30:01,618 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:30:01,790 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:30:02,156 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:30:02,524 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:30:03,125 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 197 [2020-09-04 21:30:03,490 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:30:03,663 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:30:04,242 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:30:04,600 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 197 [2020-09-04 21:30:04,981 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:30:05,355 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:30:05,903 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 233 [2020-09-04 21:30:06,276 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:30:06,904 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:30:07,298 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:30:07,743 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 199 [2020-09-04 21:30:08,180 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 195 [2020-09-04 21:30:08,640 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 200 [2020-09-04 21:30:09,021 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:30:09,408 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:30:10,064 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 196 [2020-09-04 21:30:11,090 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 255 DAG size of output: 201 [2020-09-04 21:30:11,994 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-09-04 21:30:13,023 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 255 DAG size of output: 201 [2020-09-04 21:30:13,194 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:30:13,722 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 198 [2020-09-04 21:30:14,114 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:30:15,013 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-09-04 21:30:15,917 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 199 [2020-09-04 21:30:16,091 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:30:16,718 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:30:17,085 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:30:17,677 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 197 [2020-09-04 21:30:18,060 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 199 [2020-09-04 21:30:18,775 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 21:30:19,179 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:30:19,540 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 34 [2020-09-04 21:30:19,916 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 29 [2020-09-04 21:30:20,310 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 28 [2020-09-04 21:30:20,682 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 28 [2020-09-04 21:30:21,614 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 237 [2020-09-04 21:30:22,548 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 237 [2020-09-04 21:30:22,915 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 27 [2020-09-04 21:30:23,281 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 27 [2020-09-04 21:30:23,647 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 28 [2020-09-04 21:30:24,006 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 33 [2020-09-04 21:30:24,388 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 32 [2020-09-04 21:30:24,768 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 30 [2020-09-04 21:30:25,161 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:30:25,568 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:30:26,473 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:30:26,906 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:30:27,083 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:30:27,465 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:30:27,651 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:30:28,047 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:30:28,449 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:30:28,832 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:30:29,016 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:30:29,198 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:30:29,607 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:30:30,052 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:30:30,522 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:30:30,926 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:30:31,634 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:30:31,817 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:30:32,216 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:30:32,400 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:30:33,037 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 235 [2020-09-04 21:30:33,328 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 21:30:33,618 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 21:30:33,902 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 199 [2020-09-04 21:30:34,185 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 199 [2020-09-04 21:30:34,375 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:30:34,750 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 201 [2020-09-04 21:30:35,141 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:30:35,567 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:30:35,958 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:30:36,361 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:30:36,549 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-04 21:30:36,738 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-04 21:30:37,146 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 237 [2020-09-04 21:30:37,339 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 21:30:37,747 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 237 [2020-09-04 21:30:38,175 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 21:30:38,612 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:30:38,809 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 21:30:39,666 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:30:40,081 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:30:40,984 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:30:41,378 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:30:42,353 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-09-04 21:30:42,771 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:30:43,740 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-09-04 21:30:44,156 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:30:44,546 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:30:44,947 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:30:45,124 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:30:45,613 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-09-04 21:30:46,092 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 21:30:46,579 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-09-04 21:30:47,185 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:30:47,662 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 21:30:48,290 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:30:48,769 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-09-04 21:30:48,949 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:30:50,019 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 246 DAG size of output: 245 [2020-09-04 21:30:50,512 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-09-04 21:30:50,690 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:30:51,764 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:30:52,369 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:30:53,330 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-09-04 21:30:54,278 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-09-04 21:30:54,696 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:30:55,087 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:30:55,498 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:30:55,897 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:30:56,803 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:30:57,180 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:30:58,080 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-09-04 21:30:58,464 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:30:58,659 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:30:59,053 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:30:59,447 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:30:59,858 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:31:00,222 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 199 [2020-09-04 21:31:00,618 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:31:01,522 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:31:01,928 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:31:02,310 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:31:02,484 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:31:02,855 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:31:03,036 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:31:03,213 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:31:03,384 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:31:03,561 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:31:03,741 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:31:03,920 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:31:04,304 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:31:05,041 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:31:05,289 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 22 [2020-09-04 21:31:05,472 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 25 [2020-09-04 21:31:05,717 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 23 [2020-09-04 21:31:05,916 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 25 [2020-09-04 21:31:06,165 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 22 [2020-09-04 21:31:06,843 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 230 [2020-09-04 21:31:07,027 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 25 [2020-09-04 21:31:07,201 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 25 [2020-09-04 21:31:07,878 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 230 [2020-09-04 21:31:08,129 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 22 [2020-09-04 21:31:08,310 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 25 [2020-09-04 21:31:08,496 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 25 [2020-09-04 21:31:08,682 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 25 [2020-09-04 21:31:08,900 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 23 [2020-09-04 21:31:09,118 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 23 [2020-09-04 21:31:09,788 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 229 [2020-09-04 21:31:09,968 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 25 [2020-09-04 21:31:10,215 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 22 [2020-09-04 21:31:10,403 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 25 [2020-09-04 21:31:10,692 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 23 [2020-09-04 21:31:11,859 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 249 DAG size of output: 235 [2020-09-04 21:31:13,028 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 249 DAG size of output: 235 [2020-09-04 21:31:13,636 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:31:14,221 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:31:14,824 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:31:15,415 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:31:17,132 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 263 DAG size of output: 232 [2020-09-04 21:31:17,699 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:31:18,591 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-09-04 21:31:18,975 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:31:19,162 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:31:19,554 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:31:19,948 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:31:20,359 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:31:20,723 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 199 [2020-09-04 21:31:21,119 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:31:22,022 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:31:22,426 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:31:22,807 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:31:22,980 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:31:23,349 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:31:23,531 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:31:23,707 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:31:23,879 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:31:24,055 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:31:24,235 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:31:24,413 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:31:24,797 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:31:25,531 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:31:26,447 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:31:27,346 WARN L193 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-09-04 21:31:27,758 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:31:28,172 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:31:28,591 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:31:28,986 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:31:29,851 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 236 [2020-09-04 21:31:30,279 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:31:30,672 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:31:31,103 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:31:31,507 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:31:31,903 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:31:32,322 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:31:32,756 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:31:33,162 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:31:33,354 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:31:33,757 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:31:34,169 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:31:34,578 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:31:34,770 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:31:34,963 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:31:35,380 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:31:36,466 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:31:36,869 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:31:37,056 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:31:37,466 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:31:37,653 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:31:38,063 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:31:38,459 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:31:38,860 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 203 [2020-09-04 21:31:39,049 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:31:39,525 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 206 [2020-09-04 21:31:39,993 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-09-04 21:31:40,469 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 206 [2020-09-04 21:31:41,075 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:31:41,544 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-09-04 21:31:42,172 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:31:42,637 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 206 [2020-09-04 21:31:42,817 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:31:43,872 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 242 DAG size of output: 241 [2020-09-04 21:31:44,352 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 206 [2020-09-04 21:31:44,529 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:31:45,589 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 21:31:46,197 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:31:47,073 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 34 [2020-09-04 21:31:47,449 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 29 [2020-09-04 21:31:47,878 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 28 [2020-09-04 21:31:48,249 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 28 [2020-09-04 21:31:49,179 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 237 [2020-09-04 21:31:50,108 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 237 [2020-09-04 21:31:50,476 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 27 [2020-09-04 21:31:50,842 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 27 [2020-09-04 21:31:51,209 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 28 [2020-09-04 21:31:51,567 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 33 [2020-09-04 21:31:51,948 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 32 [2020-09-04 21:31:52,327 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 30 [2020-09-04 21:31:52,720 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:31:53,112 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:31:53,515 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 196 [2020-09-04 21:31:54,107 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 197 [2020-09-04 21:31:55,130 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 255 DAG size of output: 201 [2020-09-04 21:31:55,531 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:31:55,915 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 199 [2020-09-04 21:31:57,645 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:31:58,706 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 256 DAG size of output: 230 [2020-09-04 21:32:00,000 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 254 DAG size of output: 205 [2020-09-04 21:32:00,172 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:32:00,566 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:32:00,931 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:32:01,298 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:32:01,688 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 196 [2020-09-04 21:32:02,060 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:32:02,426 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:32:03,046 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 230 [2020-09-04 21:32:04,899 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 255 DAG size of output: 246 [2020-09-04 21:32:05,262 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:32:05,436 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:32:05,981 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 233 [2020-09-04 21:32:06,341 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 197 [2020-09-04 21:32:06,712 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:32:07,112 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:32:07,501 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:32:08,529 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 255 DAG size of output: 201 [2020-09-04 21:32:09,856 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 246 DAG size of output: 244 [2020-09-04 21:32:11,200 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-09-04 21:32:11,967 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-09-04 21:32:12,403 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 195 [2020-09-04 21:32:13,532 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:32:14,109 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:32:14,481 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:32:15,508 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 255 DAG size of output: 201 [2020-09-04 21:32:15,900 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:32:16,514 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 230 [2020-09-04 21:32:16,903 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:32:17,489 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 198 [2020-09-04 21:32:18,145 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 196 [2020-09-04 21:32:18,547 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 197 [2020-09-04 21:32:19,510 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 198 [2020-09-04 21:32:20,138 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:32:20,898 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-09-04 21:32:21,774 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 21:32:22,165 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:32:22,571 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:32:22,957 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:32:23,866 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-09-04 21:32:24,274 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:32:25,182 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-09-04 21:32:25,590 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:32:26,790 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 252 DAG size of output: 238 [2020-09-04 21:32:27,989 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 252 DAG size of output: 238 [2020-09-04 21:32:28,721 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:32:29,422 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:32:30,149 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:32:30,862 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:32:32,599 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 266 DAG size of output: 232 [2020-09-04 21:32:33,281 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:32:34,040 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-09-04 21:32:34,638 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 197 [2020-09-04 21:32:36,363 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:32:36,746 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 199 [2020-09-04 21:32:37,811 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 256 DAG size of output: 230 [2020-09-04 21:32:39,098 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 254 DAG size of output: 205 [2020-09-04 21:32:39,462 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:32:39,634 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:32:40,028 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:32:40,399 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:32:40,776 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:32:41,142 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:32:41,517 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:32:41,918 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:32:42,281 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 197 [2020-09-04 21:32:42,656 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:32:42,837 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:32:43,240 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:32:43,627 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:32:44,392 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-09-04 21:32:44,774 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:32:46,101 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 246 DAG size of output: 244 [2020-09-04 21:32:46,497 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:32:46,932 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 195 [2020-09-04 21:32:47,325 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:32:47,722 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:32:48,131 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:32:48,760 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:32:49,140 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:32:49,520 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:32:49,917 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 197 [2020-09-04 21:32:50,786 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 21:32:51,749 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 198 [2020-09-04 21:32:52,328 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:32:52,702 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:32:52,877 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:32:53,265 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:32:53,436 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:32:53,822 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:32:54,224 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:32:54,596 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:32:54,994 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:32:55,381 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:32:55,770 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 196 [2020-09-04 21:32:56,165 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:32:57,058 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-09-04 21:32:58,909 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 255 DAG size of output: 246 [2020-09-04 21:32:59,275 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:32:59,446 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:32:59,990 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 233 [2020-09-04 21:33:00,392 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:33:00,784 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:33:02,130 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-09-04 21:33:02,504 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:33:02,883 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:33:03,905 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 255 DAG size of output: 201 [2020-09-04 21:33:04,082 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:33:04,259 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:33:04,884 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:33:05,472 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 198 [2020-09-04 21:33:05,854 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:33:06,469 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 230 [2020-09-04 21:33:06,843 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:33:07,494 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 196 [2020-09-04 21:33:07,840 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 199 [2020-09-04 21:33:14,645 WARN L193 SmtUtils]: Spent 6.80 s on a formula simplification. DAG size of input: 478 DAG size of output: 402 [2020-09-04 21:33:14,823 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:33:15,304 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2020-09-04 21:33:15,778 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-09-04 21:33:16,257 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2020-09-04 21:33:16,860 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 231 [2020-09-04 21:33:17,331 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-09-04 21:33:17,962 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 233 [2020-09-04 21:33:18,434 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2020-09-04 21:33:18,613 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:33:19,669 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 244 DAG size of output: 243 [2020-09-04 21:33:20,156 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2020-09-04 21:33:20,333 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:33:21,395 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 21:33:21,999 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 231 [2020-09-04 21:33:28,840 WARN L193 SmtUtils]: Spent 6.84 s on a formula simplification. DAG size of input: 478 DAG size of output: 402 [2020-09-04 21:33:29,228 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:33:29,903 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:33:30,267 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 200 [2020-09-04 21:33:30,954 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:33:31,661 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 246 [2020-09-04 21:33:32,346 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 243 [2020-09-04 21:33:32,762 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 199 [2020-09-04 21:33:33,422 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:33:33,785 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 198 [2020-09-04 21:33:34,428 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:33:35,101 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 21:33:35,474 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 201 [2020-09-04 21:33:35,833 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 198 [2020-09-04 21:33:36,204 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 201 [2020-09-04 21:33:36,574 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 199 [2020-09-04 21:33:36,939 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 199 [2020-09-04 21:33:37,590 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:33:37,956 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 199 [2020-09-04 21:33:38,717 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 234 [2020-09-04 21:33:39,426 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 246 [2020-09-04 21:33:40,127 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 245 [2020-09-04 21:33:41,690 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 286 DAG size of output: 261 [2020-09-04 21:33:43,170 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 271 DAG size of output: 251 [2020-09-04 21:33:44,657 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 271 DAG size of output: 251 [2020-09-04 21:33:45,124 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 247 [2020-09-04 21:33:45,556 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:33:45,992 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:33:46,469 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 247 [2020-09-04 21:33:46,917 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 21:33:48,940 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 274 DAG size of output: 265 [2020-09-04 21:33:50,477 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 260 DAG size of output: 252 [2020-09-04 21:33:52,018 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 260 DAG size of output: 252 [2020-09-04 21:33:52,412 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:33:59,231 WARN L193 SmtUtils]: Spent 6.82 s on a formula simplification. DAG size of input: 478 DAG size of output: 402 [2020-09-04 21:33:59,418 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 21:33:59,597 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:33:59,782 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 21:34:00,161 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:34:00,340 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:34:00,736 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:34:00,920 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 21:34:01,330 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:34:01,519 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 21:34:01,927 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:34:02,306 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:34:08,199 WARN L193 SmtUtils]: Spent 5.89 s on a formula simplification. DAG size of input: 416 DAG size of output: 343 [2020-09-04 21:34:10,951 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 366 DAG size of output: 306 [2020-09-04 21:34:17,729 WARN L193 SmtUtils]: Spent 6.78 s on a formula simplification. DAG size of input: 478 DAG size of output: 402 [2020-09-04 21:34:24,592 WARN L193 SmtUtils]: Spent 6.86 s on a formula simplification. DAG size of input: 478 DAG size of output: 402 [2020-09-04 21:34:25,510 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:34:26,016 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 196 [2020-09-04 21:34:26,380 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:34:27,261 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 230 [2020-09-04 21:34:27,860 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:34:28,501 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 200 [2020-09-04 21:34:28,904 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:34:29,371 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 197 [2020-09-04 21:34:29,551 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 21:34:29,916 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:34:30,308 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:34:30,700 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:34:31,064 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:34:31,663 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:34:32,626 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 219 [2020-09-04 21:34:32,996 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:34:33,660 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:34:35,025 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 247 DAG size of output: 244 [2020-09-04 21:34:36,621 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 21:34:38,064 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:34:39,496 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 247 DAG size of output: 242 [2020-09-04 21:34:41,060 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 250 DAG size of output: 247 [2020-09-04 21:34:42,493 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 247 DAG size of output: 242 [2020-09-04 21:34:43,702 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 243 DAG size of output: 238 [2020-09-04 21:34:45,104 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:34:45,761 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 235 [2020-09-04 21:34:46,161 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:34:46,338 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:34:46,748 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:34:47,120 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 199 [2020-09-04 21:34:47,515 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:34:47,689 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:34:48,070 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:34:48,251 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:34:48,423 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:34:48,605 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:34:48,784 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:34:48,961 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:34:49,347 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:34:49,523 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:34:50,268 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:34:50,748 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 197 [2020-09-04 21:34:51,112 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:34:51,289 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:34:51,464 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 21:34:51,860 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:34:52,259 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:34:52,661 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:34:53,045 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:34:53,687 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 200 [2020-09-04 21:34:54,081 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:34:54,259 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:34:54,436 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:34:54,806 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:34:54,983 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:34:55,154 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:34:55,756 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:34:56,122 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:34:57,003 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 230 [2020-09-04 21:34:57,181 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:34:57,573 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:34:58,079 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 196 [2020-09-04 21:34:58,470 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:34:58,851 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:34:59,812 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 219 [2020-09-04 21:35:00,174 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:35:00,779 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:35:01,700 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:35:02,172 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 247 [2020-09-04 21:35:02,606 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:35:03,041 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:35:03,519 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 247 [2020-09-04 21:35:03,972 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 21:35:05,124 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 263 DAG size of output: 255 [2020-09-04 21:35:06,675 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 260 DAG size of output: 252 [2020-09-04 21:35:08,229 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 260 DAG size of output: 252 [2020-09-04 21:35:08,731 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 207 [2020-09-04 21:35:09,422 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 242 [2020-09-04 21:35:09,931 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:35:10,711 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 241 [2020-09-04 21:35:11,009 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 205 [2020-09-04 21:35:11,726 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 245 [2020-09-04 21:35:12,231 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:35:12,529 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 205 [2020-09-04 21:35:13,142 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 241 [2020-09-04 21:35:13,456 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 206 [2020-09-04 21:35:13,770 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 206 [2020-09-04 21:35:14,453 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 21:35:14,763 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 206 [2020-09-04 21:35:15,070 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 206 [2020-09-04 21:35:16,649 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 266 DAG size of output: 250 [2020-09-04 21:35:16,948 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 205 [2020-09-04 21:35:17,344 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 207 [2020-09-04 21:35:18,063 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 245 [2020-09-04 21:35:19,631 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 266 DAG size of output: 250 [2020-09-04 21:35:20,338 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 244 [2020-09-04 21:35:20,842 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:35:22,392 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 281 DAG size of output: 260 [2020-09-04 21:35:22,578 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:35:22,974 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:35:23,379 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:35:23,557 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:35:23,943 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:35:24,121 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:35:24,530 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:35:24,713 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:35:24,895 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:35:25,079 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:35:25,260 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:35:25,445 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:35:25,626 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:35:26,013 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:35:26,934 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-09-04 21:35:27,327 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:35:27,721 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:35:28,118 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:35:28,493 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 229