/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 15:48:12,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 15:48:12,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 15:48:12,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 15:48:12,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 15:48:12,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 15:48:12,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 15:48:12,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 15:48:12,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 15:48:12,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 15:48:12,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 15:48:12,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 15:48:12,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 15:48:12,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 15:48:12,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 15:48:12,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 15:48:12,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 15:48:12,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 15:48:12,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 15:48:12,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 15:48:12,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 15:48:12,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 15:48:12,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 15:48:12,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 15:48:12,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 15:48:12,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 15:48:12,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 15:48:12,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 15:48:12,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 15:48:12,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 15:48:12,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 15:48:12,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 15:48:12,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 15:48:12,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 15:48:12,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 15:48:12,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 15:48:12,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 15:48:12,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 15:48:12,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 15:48:12,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 15:48:12,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 15:48:12,572 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 15:48:12,583 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 15:48:12,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 15:48:12,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 15:48:12,585 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 15:48:12,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 15:48:12,585 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 15:48:12,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 15:48:12,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 15:48:12,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 15:48:12,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 15:48:12,586 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 15:48:12,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 15:48:12,587 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 15:48:12,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 15:48:12,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 15:48:12,587 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 15:48:12,588 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 15:48:12,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 15:48:12,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 15:48:12,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 15:48:12,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 15:48:12,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 15:48:12,589 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 15:48:13,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 15:48:13,050 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 15:48:13,055 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 15:48:13,058 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 15:48:13,059 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 15:48:13,060 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2020-09-04 15:48:13,148 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0a9089000/0715e305918746d58848fc4948763832/FLAG166de0ab4 [2020-09-04 15:48:13,851 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 15:48:13,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2020-09-04 15:48:13,875 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0a9089000/0715e305918746d58848fc4948763832/FLAG166de0ab4 [2020-09-04 15:48:14,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0a9089000/0715e305918746d58848fc4948763832 [2020-09-04 15:48:14,043 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 15:48:14,045 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 15:48:14,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 15:48:14,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 15:48:14,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 15:48:14,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 03:48:14" (1/1) ... [2020-09-04 15:48:14,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:48:14, skipping insertion in model container [2020-09-04 15:48:14,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 03:48:14" (1/1) ... [2020-09-04 15:48:14,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 15:48:14,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 15:48:14,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 15:48:14,566 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 15:48:14,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 15:48:14,720 INFO L208 MainTranslator]: Completed translation [2020-09-04 15:48:14,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:48:14 WrapperNode [2020-09-04 15:48:14,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 15:48:14,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 15:48:14,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 15:48:14,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 15:48:14,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:48:14" (1/1) ... [2020-09-04 15:48:14,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:48:14" (1/1) ... [2020-09-04 15:48:14,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:48:14" (1/1) ... [2020-09-04 15:48:14,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:48:14" (1/1) ... [2020-09-04 15:48:14,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:48:14" (1/1) ... [2020-09-04 15:48:14,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:48:14" (1/1) ... [2020-09-04 15:48:14,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:48:14" (1/1) ... [2020-09-04 15:48:14,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 15:48:14,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 15:48:14,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 15:48:14,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 15:48:14,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:48:14" (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 15:48:14,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 15:48:14,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 15:48:14,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 15:48:14,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 15:48:14,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 15:48:14,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 15:48:14,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 15:48:14,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 15:48:14,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 15:48:14,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 15:48:14,897 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 15:48:14,897 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 15:48:14,898 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 15:48:14,898 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-04 15:48:14,898 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 15:48:14,898 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-04 15:48:14,898 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 15:48:14,899 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 15:48:14,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 15:48:14,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 15:48:14,899 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 15:48:14,900 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 15:48:14,900 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-04 15:48:14,900 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-04 15:48:14,900 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 15:48:14,900 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 15:48:14,901 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 15:48:14,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 15:48:14,901 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 15:48:14,901 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 15:48:14,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 15:48:14,901 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 15:48:14,902 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 15:48:14,902 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 15:48:14,902 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 15:48:14,902 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 15:48:14,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-04 15:48:14,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-04 15:48:14,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-04 15:48:14,903 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 15:48:14,903 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 15:48:14,903 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 15:48:14,903 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 15:48:14,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 15:48:14,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 15:48:14,904 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 15:48:14,904 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 15:48:14,904 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 15:48:14,904 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 15:48:14,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 15:48:14,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 15:48:14,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 15:48:14,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 15:48:14,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 15:48:14,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 15:48:14,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 15:48:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 15:48:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 15:48:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 15:48:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 15:48:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 15:48:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 15:48:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 15:48:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 15:48:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 15:48:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 15:48:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-04 15:48:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-04 15:48:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 15:48:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 15:48:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 15:48:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 15:48:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 15:48:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 15:48:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 15:48:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 15:48:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 15:48:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 15:48:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 15:48:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-04 15:48:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-04 15:48:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 15:48:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 15:48:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 15:48:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-04 15:48:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 15:48:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-04 15:48:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 15:48:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 15:48:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 15:48:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-04 15:48:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 15:48:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 15:48:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 15:48:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 15:48:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 15:48:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 15:48:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 15:48:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 15:48:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 15:48:16,054 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 15:48:16,054 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 15:48:16,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 03:48:16 BoogieIcfgContainer [2020-09-04 15:48:16,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 15:48:16,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 15:48:16,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 15:48:16,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 15:48:16,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 03:48:14" (1/3) ... [2020-09-04 15:48:16,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7202cd51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 03:48:16, skipping insertion in model container [2020-09-04 15:48:16,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:48:14" (2/3) ... [2020-09-04 15:48:16,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7202cd51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 03:48:16, skipping insertion in model container [2020-09-04 15:48:16,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 03:48:16" (3/3) ... [2020-09-04 15:48:16,076 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2020-09-04 15:48:16,087 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 15:48:16,098 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 15:48:16,119 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 15:48:16,142 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 15:48:16,142 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 15:48:16,142 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 15:48:16,143 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 15:48:16,143 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 15:48:16,143 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 15:48:16,143 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 15:48:16,143 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 15:48:16,165 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states. [2020-09-04 15:48:16,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-04 15:48:16,189 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:48:16,190 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 15:48:16,190 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:48:16,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:48:16,198 INFO L82 PathProgramCache]: Analyzing trace with hash 242208481, now seen corresponding path program 1 times [2020-09-04 15:48:16,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:48:16,211 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [445514971] [2020-09-04 15:48:16,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:48:16,288 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:48:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:17,022 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:48:17,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:17,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:48:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:17,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:48:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:17,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:48:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:17,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:48:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:17,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:48:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:17,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 15:48:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:17,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:17,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 15:48:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:17,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 15:48:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:17,263 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 15:48:17,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [445514971] [2020-09-04 15:48:17,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:48:17,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 15:48:17,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188295490] [2020-09-04 15:48:17,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 15:48:17,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:48:17,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 15:48:17,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 15:48:17,298 INFO L87 Difference]: Start difference. First operand 338 states. Second operand 4 states. [2020-09-04 15:48:18,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:48:18,733 INFO L93 Difference]: Finished difference Result 540 states and 636 transitions. [2020-09-04 15:48:18,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 15:48:18,735 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-04 15:48:18,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:48:18,756 INFO L225 Difference]: With dead ends: 540 [2020-09-04 15:48:18,757 INFO L226 Difference]: Without dead ends: 338 [2020-09-04 15:48:18,764 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 15:48:18,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-09-04 15:48:18,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 287. [2020-09-04 15:48:18,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2020-09-04 15:48:18,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 314 transitions. [2020-09-04 15:48:18,923 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 314 transitions. Word has length 160 [2020-09-04 15:48:18,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:48:18,924 INFO L479 AbstractCegarLoop]: Abstraction has 287 states and 314 transitions. [2020-09-04 15:48:18,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 15:48:18,924 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 314 transitions. [2020-09-04 15:48:18,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-04 15:48:18,930 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:48:18,930 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 15:48:18,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 15:48:18,931 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:48:18,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:48:18,932 INFO L82 PathProgramCache]: Analyzing trace with hash 424618484, now seen corresponding path program 1 times [2020-09-04 15:48:18,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:48:18,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1837096501] [2020-09-04 15:48:18,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:48:18,936 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:48:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:19,341 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:48:19,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:19,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:48:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:19,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:48:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:19,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:48:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:19,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:48:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:19,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:48:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:19,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:48:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:19,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:19,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:48:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:19,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:48:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:19,444 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 15:48:19,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1837096501] [2020-09-04 15:48:19,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:48:19,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 15:48:19,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118823461] [2020-09-04 15:48:19,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 15:48:19,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:48:19,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 15:48:19,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 15:48:19,447 INFO L87 Difference]: Start difference. First operand 287 states and 314 transitions. Second operand 5 states. [2020-09-04 15:48:20,145 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:48:21,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:48:21,430 INFO L93 Difference]: Finished difference Result 459 states and 520 transitions. [2020-09-04 15:48:21,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 15:48:21,431 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-04 15:48:21,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:48:21,436 INFO L225 Difference]: With dead ends: 459 [2020-09-04 15:48:21,436 INFO L226 Difference]: Without dead ends: 327 [2020-09-04 15:48:21,438 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 15:48:21,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-09-04 15:48:21,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 277. [2020-09-04 15:48:21,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-09-04 15:48:21,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 301 transitions. [2020-09-04 15:48:21,510 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 301 transitions. Word has length 161 [2020-09-04 15:48:21,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:48:21,510 INFO L479 AbstractCegarLoop]: Abstraction has 277 states and 301 transitions. [2020-09-04 15:48:21,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 15:48:21,511 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 301 transitions. [2020-09-04 15:48:21,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-04 15:48:21,514 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:48:21,514 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:48:21,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 15:48:21,514 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:48:21,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:48:21,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1558569605, now seen corresponding path program 1 times [2020-09-04 15:48:21,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:48:21,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [202810069] [2020-09-04 15:48:21,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:48:21,518 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:48:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:21,950 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:48:21,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:48:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:48:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:48:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:48:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:48:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:48:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:48:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-04 15:48:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-04 15:48:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,137 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 15:48:22,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [202810069] [2020-09-04 15:48:22,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:48:22,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 15:48:22,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453705585] [2020-09-04 15:48:22,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 15:48:22,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:48:22,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 15:48:22,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 15:48:22,141 INFO L87 Difference]: Start difference. First operand 277 states and 301 transitions. Second operand 11 states. [2020-09-04 15:48:22,695 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:48:23,116 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:23,445 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:48:23,766 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:48:24,089 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:48:24,404 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:48:25,618 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:48:28,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:48:28,454 INFO L93 Difference]: Finished difference Result 772 states and 900 transitions. [2020-09-04 15:48:28,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 15:48:28,455 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-09-04 15:48:28,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:48:28,461 INFO L225 Difference]: With dead ends: 772 [2020-09-04 15:48:28,461 INFO L226 Difference]: Without dead ends: 610 [2020-09-04 15:48:28,462 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-09-04 15:48:28,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2020-09-04 15:48:28,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 507. [2020-09-04 15:48:28,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2020-09-04 15:48:28,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 571 transitions. [2020-09-04 15:48:28,629 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 571 transitions. Word has length 174 [2020-09-04 15:48:28,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:48:28,630 INFO L479 AbstractCegarLoop]: Abstraction has 507 states and 571 transitions. [2020-09-04 15:48:28,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 15:48:28,631 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 571 transitions. [2020-09-04 15:48:28,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-04 15:48:28,634 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:48:28,634 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:48:28,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 15:48:28,635 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:48:28,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:48:28,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1499637602, now seen corresponding path program 1 times [2020-09-04 15:48:28,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:48:28,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [581289736] [2020-09-04 15:48:28,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:48:28,638 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:48:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:29,076 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:48:29,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:29,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:48:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:29,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:48:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:29,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:48:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:29,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:48:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:29,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:48:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:29,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-04 15:48:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:29,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 15:48:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:29,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:29,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-04 15:48:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:29,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-04 15:48:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:29,344 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 15:48:29,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [581289736] [2020-09-04 15:48:29,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:48:29,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 15:48:29,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121105475] [2020-09-04 15:48:29,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 15:48:29,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:48:29,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 15:48:29,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 15:48:29,348 INFO L87 Difference]: Start difference. First operand 507 states and 571 transitions. Second operand 10 states. [2020-09-04 15:48:30,128 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:48:31,088 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:48:31,402 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:48:32,692 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:48:33,005 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:48:33,312 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:48:33,775 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:48:34,073 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:48:34,422 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:48:35,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:48:35,398 INFO L93 Difference]: Finished difference Result 1194 states and 1427 transitions. [2020-09-04 15:48:35,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 15:48:35,398 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-04 15:48:35,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:48:35,404 INFO L225 Difference]: With dead ends: 1194 [2020-09-04 15:48:35,405 INFO L226 Difference]: Without dead ends: 802 [2020-09-04 15:48:35,407 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-04 15:48:35,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2020-09-04 15:48:35,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 709. [2020-09-04 15:48:35,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2020-09-04 15:48:35,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 795 transitions. [2020-09-04 15:48:35,657 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 795 transitions. Word has length 179 [2020-09-04 15:48:35,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:48:35,657 INFO L479 AbstractCegarLoop]: Abstraction has 709 states and 795 transitions. [2020-09-04 15:48:35,658 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 15:48:35,658 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 795 transitions. [2020-09-04 15:48:35,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-04 15:48:35,662 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:48:35,662 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:48:35,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 15:48:35,662 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:48:35,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:48:35,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1825094604, now seen corresponding path program 1 times [2020-09-04 15:48:35,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:48:35,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1256363927] [2020-09-04 15:48:35,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:48:35,666 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:48:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:35,966 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:48:35,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:36,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:48:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:36,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:48:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:36,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:48:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:36,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:48:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:36,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:48:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:36,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:48:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:36,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:48:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:36,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:36,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:48:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:36,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:36,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:36,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:48:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:36,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:48:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:36,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:36,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:36,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:48:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:36,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-04 15:48:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:36,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-04 15:48:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:36,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:48:36,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1256363927] [2020-09-04 15:48:36,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:48:36,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 15:48:36,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634284244] [2020-09-04 15:48:36,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 15:48:36,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:48:36,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 15:48:36,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 15:48:36,249 INFO L87 Difference]: Start difference. First operand 709 states and 795 transitions. Second operand 11 states. [2020-09-04 15:48:37,940 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:48:38,263 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:48:38,600 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:48:38,923 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:48:39,258 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:39,557 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:48:41,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:48:41,025 INFO L93 Difference]: Finished difference Result 1515 states and 1828 transitions. [2020-09-04 15:48:41,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 15:48:41,034 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 234 [2020-09-04 15:48:41,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:48:41,040 INFO L225 Difference]: With dead ends: 1515 [2020-09-04 15:48:41,040 INFO L226 Difference]: Without dead ends: 921 [2020-09-04 15:48:41,043 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-04 15:48:41,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-09-04 15:48:41,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 728. [2020-09-04 15:48:41,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2020-09-04 15:48:41,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 815 transitions. [2020-09-04 15:48:41,276 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 815 transitions. Word has length 234 [2020-09-04 15:48:41,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:48:41,276 INFO L479 AbstractCegarLoop]: Abstraction has 728 states and 815 transitions. [2020-09-04 15:48:41,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 15:48:41,276 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 815 transitions. [2020-09-04 15:48:41,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-04 15:48:41,282 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:48:41,282 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:48:41,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 15:48:41,282 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:48:41,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:48:41,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1802126292, now seen corresponding path program 1 times [2020-09-04 15:48:41,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:48:41,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2127162707] [2020-09-04 15:48:41,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:48:41,286 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:48:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,676 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:48:41,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:48:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:48:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:48:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:48:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:48:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:48:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:48:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:48:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:48:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:48:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:48:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-04 15:48:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-04 15:48:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:48:41,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2127162707] [2020-09-04 15:48:41,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:48:41,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 15:48:41,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144313831] [2020-09-04 15:48:41,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 15:48:41,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:48:41,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 15:48:41,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-09-04 15:48:41,989 INFO L87 Difference]: Start difference. First operand 728 states and 815 transitions. Second operand 14 states. [2020-09-04 15:48:42,646 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:48:42,965 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:48:43,280 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:48:43,591 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:43,890 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:48:45,199 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:48:45,520 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:45,864 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:48:46,222 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:46,543 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:48:48,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:48:48,302 INFO L93 Difference]: Finished difference Result 1552 states and 1866 transitions. [2020-09-04 15:48:48,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 15:48:48,307 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 234 [2020-09-04 15:48:48,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:48:48,313 INFO L225 Difference]: With dead ends: 1552 [2020-09-04 15:48:48,313 INFO L226 Difference]: Without dead ends: 939 [2020-09-04 15:48:48,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-09-04 15:48:48,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2020-09-04 15:48:48,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 740. [2020-09-04 15:48:48,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2020-09-04 15:48:48,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 827 transitions. [2020-09-04 15:48:48,535 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 827 transitions. Word has length 234 [2020-09-04 15:48:48,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:48:48,536 INFO L479 AbstractCegarLoop]: Abstraction has 740 states and 827 transitions. [2020-09-04 15:48:48,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 15:48:48,536 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 827 transitions. [2020-09-04 15:48:48,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-04 15:48:48,539 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:48:48,539 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:48:48,540 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 15:48:48,540 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:48:48,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:48:48,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1075021015, now seen corresponding path program 1 times [2020-09-04 15:48:48,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:48:48,541 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1657449699] [2020-09-04 15:48:48,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:48:48,544 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:48:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:48,917 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:48:48,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:48,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:48:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:48,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:48:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:48,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:48:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:48,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:48:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:49,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:48:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:49,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:48:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:49,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:48:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:49,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:49,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:48:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:49,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:49,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:49,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:48:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:49,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:48:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:49,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:49,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:49,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:48:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:49,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-04 15:48:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:49,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-04 15:48:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:49,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:48:49,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1657449699] [2020-09-04 15:48:49,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:48:49,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 15:48:49,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657615576] [2020-09-04 15:48:49,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 15:48:49,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:48:49,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 15:48:49,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 15:48:49,241 INFO L87 Difference]: Start difference. First operand 740 states and 827 transitions. Second operand 8 states. [2020-09-04 15:48:49,757 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:48:50,464 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:48:53,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:48:53,827 INFO L93 Difference]: Finished difference Result 2321 states and 2826 transitions. [2020-09-04 15:48:53,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-04 15:48:53,828 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 234 [2020-09-04 15:48:53,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:48:53,839 INFO L225 Difference]: With dead ends: 2321 [2020-09-04 15:48:53,839 INFO L226 Difference]: Without dead ends: 1696 [2020-09-04 15:48:53,842 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 51 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2020-09-04 15:48:53,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2020-09-04 15:48:54,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1428. [2020-09-04 15:48:54,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2020-09-04 15:48:54,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1624 transitions. [2020-09-04 15:48:54,269 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1624 transitions. Word has length 234 [2020-09-04 15:48:54,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:48:54,269 INFO L479 AbstractCegarLoop]: Abstraction has 1428 states and 1624 transitions. [2020-09-04 15:48:54,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 15:48:54,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1624 transitions. [2020-09-04 15:48:54,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-04 15:48:54,273 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:48:54,274 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:48:54,274 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 15:48:54,274 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:48:54,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:48:54,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1371063584, now seen corresponding path program 1 times [2020-09-04 15:48:54,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:48:54,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [378907909] [2020-09-04 15:48:54,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:48:54,280 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:48:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:54,737 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:48:54,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:54,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:48:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:54,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:48:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:54,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:48:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:54,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:48:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:54,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:48:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:54,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:48:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:54,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:48:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:54,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 15:48:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:54,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:54,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-04 15:48:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:54,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:54,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:54,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:48:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:54,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:48:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:55,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:55,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:55,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:48:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:55,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-04 15:48:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:55,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 15:48:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:55,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:48:55,148 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [378907909] [2020-09-04 15:48:55,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:48:55,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-04 15:48:55,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976500562] [2020-09-04 15:48:55,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 15:48:55,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:48:55,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 15:48:55,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-09-04 15:48:55,151 INFO L87 Difference]: Start difference. First operand 1428 states and 1624 transitions. Second operand 15 states. [2020-09-04 15:48:56,080 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 15:48:56,998 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:48:58,417 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-04 15:48:59,044 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 15:48:59,477 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:48:59,816 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:49:00,451 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-04 15:49:00,773 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:49:01,150 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:49:01,472 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:49:05,534 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 15:49:06,240 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:49:06,542 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:49:06,958 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:49:08,508 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-04 15:49:09,150 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-04 15:49:09,772 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 15:49:10,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:49:10,751 INFO L93 Difference]: Finished difference Result 4367 states and 5340 transitions. [2020-09-04 15:49:10,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-09-04 15:49:10,752 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 239 [2020-09-04 15:49:10,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:49:10,770 INFO L225 Difference]: With dead ends: 4367 [2020-09-04 15:49:10,770 INFO L226 Difference]: Without dead ends: 3335 [2020-09-04 15:49:10,776 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1301 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=829, Invalid=3331, Unknown=0, NotChecked=0, Total=4160 [2020-09-04 15:49:10,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3335 states. [2020-09-04 15:49:12,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3335 to 2625. [2020-09-04 15:49:12,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2625 states. [2020-09-04 15:49:12,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 2625 states and 2965 transitions. [2020-09-04 15:49:12,086 INFO L78 Accepts]: Start accepts. Automaton has 2625 states and 2965 transitions. Word has length 239 [2020-09-04 15:49:12,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:49:12,087 INFO L479 AbstractCegarLoop]: Abstraction has 2625 states and 2965 transitions. [2020-09-04 15:49:12,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 15:49:12,087 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 2965 transitions. [2020-09-04 15:49:12,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-09-04 15:49:12,093 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:49:12,093 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:49:12,094 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 15:49:12,094 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:49:12,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:49:12,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1120150761, now seen corresponding path program 1 times [2020-09-04 15:49:12,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:49:12,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2006073066] [2020-09-04 15:49:12,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:49:12,159 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:49:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,562 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:49:12,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:49:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:49:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:49:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:49:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:49:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:49:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:49:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:49:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:49:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:49:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:49:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:49:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 15:49:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 15:49:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 15:49:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-09-04 15:49:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-09-04 15:49:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:12,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:13,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:49:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:13,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:13,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2020-09-04 15:49:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:13,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-09-04 15:49:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:13,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:49:13,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2006073066] [2020-09-04 15:49:13,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:49:13,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 15:49:13,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522187145] [2020-09-04 15:49:13,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 15:49:13,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:49:13,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 15:49:13,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-09-04 15:49:13,152 INFO L87 Difference]: Start difference. First operand 2625 states and 2965 transitions. Second operand 19 states. [2020-09-04 15:49:14,107 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:49:14,416 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:49:14,739 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:49:15,061 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:49:15,366 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:49:16,487 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 15:49:17,038 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:49:17,353 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:49:17,766 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:49:18,117 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:49:18,550 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:49:18,984 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-09-04 15:49:19,402 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:49:22,030 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:49:23,564 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:49:24,251 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 15:49:24,909 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 15:49:25,415 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:49:26,317 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:49:27,093 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 15:49:27,489 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 15:49:28,283 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-04 15:49:28,979 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-09-04 15:49:30,362 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-09-04 15:49:31,051 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:49:31,840 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-04 15:49:34,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:49:34,222 INFO L93 Difference]: Finished difference Result 5946 states and 6998 transitions. [2020-09-04 15:49:34,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-09-04 15:49:34,227 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 325 [2020-09-04 15:49:34,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:49:34,249 INFO L225 Difference]: With dead ends: 5946 [2020-09-04 15:49:34,249 INFO L226 Difference]: Without dead ends: 3702 [2020-09-04 15:49:34,258 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2459 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=1409, Invalid=6601, Unknown=0, NotChecked=0, Total=8010 [2020-09-04 15:49:34,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3702 states. [2020-09-04 15:49:35,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3702 to 3051. [2020-09-04 15:49:35,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3051 states. [2020-09-04 15:49:35,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3051 states to 3051 states and 3394 transitions. [2020-09-04 15:49:35,295 INFO L78 Accepts]: Start accepts. Automaton has 3051 states and 3394 transitions. Word has length 325 [2020-09-04 15:49:35,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:49:35,296 INFO L479 AbstractCegarLoop]: Abstraction has 3051 states and 3394 transitions. [2020-09-04 15:49:35,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 15:49:35,296 INFO L276 IsEmpty]: Start isEmpty. Operand 3051 states and 3394 transitions. [2020-09-04 15:49:35,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2020-09-04 15:49:35,307 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:49:35,308 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:49:35,308 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 15:49:35,308 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:49:35,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:49:35,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1262368258, now seen corresponding path program 1 times [2020-09-04 15:49:35,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:49:35,309 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [274350663] [2020-09-04 15:49:35,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:49:35,330 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:49:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:35,809 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:49:35,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:35,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:49:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:35,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:49:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:35,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:49:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:35,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:49:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:35,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:49:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:35,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:49:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:35,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:49:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:35,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:49:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:35,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:35,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:35,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:49:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:35,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:35,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:35,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:49:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:35,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:49:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:35,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:35,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:35,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:49:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:35,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 15:49:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 15:49:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 15:49:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:49:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:49:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:49:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:49:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-04 15:49:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-09-04 15:49:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:49:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:49:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:49:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:49:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2020-09-04 15:49:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2020-09-04 15:49:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-09-04 15:49:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:49:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:49:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:49:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2020-09-04 15:49:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-09-04 15:49:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:36,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:49:36,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [274350663] [2020-09-04 15:49:36,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:49:36,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-04 15:49:36,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939146569] [2020-09-04 15:49:36,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 15:49:36,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:49:36,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 15:49:36,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-09-04 15:49:36,458 INFO L87 Difference]: Start difference. First operand 3051 states and 3394 transitions. Second operand 17 states. [2020-09-04 15:49:38,406 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:49:38,735 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:49:39,077 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:49:39,500 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:49:39,810 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:49:40,143 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:49:42,008 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:49:42,362 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:49:46,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:49:46,938 INFO L93 Difference]: Finished difference Result 8768 states and 10283 transitions. [2020-09-04 15:49:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-09-04 15:49:46,939 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 517 [2020-09-04 15:49:46,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:49:46,966 INFO L225 Difference]: With dead ends: 8768 [2020-09-04 15:49:46,967 INFO L226 Difference]: Without dead ends: 5317 [2020-09-04 15:49:46,979 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 129 SyntacticMatches, 4 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 576 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=521, Invalid=1831, Unknown=0, NotChecked=0, Total=2352 [2020-09-04 15:49:46,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5317 states. [2020-09-04 15:49:48,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5317 to 4152. [2020-09-04 15:49:48,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4152 states. [2020-09-04 15:49:48,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4152 states to 4152 states and 4701 transitions. [2020-09-04 15:49:48,513 INFO L78 Accepts]: Start accepts. Automaton has 4152 states and 4701 transitions. Word has length 517 [2020-09-04 15:49:48,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:49:48,514 INFO L479 AbstractCegarLoop]: Abstraction has 4152 states and 4701 transitions. [2020-09-04 15:49:48,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 15:49:48,515 INFO L276 IsEmpty]: Start isEmpty. Operand 4152 states and 4701 transitions. [2020-09-04 15:49:48,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2020-09-04 15:49:48,528 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:49:48,529 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:49:48,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 15:49:48,529 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:49:48,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:49:48,530 INFO L82 PathProgramCache]: Analyzing trace with hash -323355931, now seen corresponding path program 1 times [2020-09-04 15:49:48,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:49:48,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [570195943] [2020-09-04 15:49:48,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:49:48,556 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:49:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,969 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:49:48,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:49:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:49:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:49:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:49:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:49:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:49:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:49:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:49:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:49:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:49:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:49:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:49:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 15:49:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 15:49:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 15:49:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:49:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:49:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:49:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:49:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:49:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-09-04 15:49:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-09-04 15:49:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:49:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:49:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:49:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:49:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2020-09-04 15:49:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-09-04 15:49:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-09-04 15:49:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:49:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:49:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:49:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-09-04 15:49:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-09-04 15:49:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,581 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-04 15:49:49,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [570195943] [2020-09-04 15:49:49,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:49:49,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 15:49:49,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585508368] [2020-09-04 15:49:49,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 15:49:49,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:49:49,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 15:49:49,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-09-04 15:49:49,583 INFO L87 Difference]: Start difference. First operand 4152 states and 4701 transitions. Second operand 19 states. [2020-09-04 15:49:50,222 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:49:50,749 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:49:51,091 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:49:51,424 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:49:51,755 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:49:52,067 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:49:53,338 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:49:53,666 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:49:55,657 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:49:56,144 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:49:56,601 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:49:57,298 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:49:58,894 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:49:59,304 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:50:00,583 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:50:00,936 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:50:01,255 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:50:03,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:50:03,379 INFO L93 Difference]: Finished difference Result 8388 states and 9772 transitions. [2020-09-04 15:50:03,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-09-04 15:50:03,380 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 527 [2020-09-04 15:50:03,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:50:03,403 INFO L225 Difference]: With dead ends: 8388 [2020-09-04 15:50:03,403 INFO L226 Difference]: Without dead ends: 4653 [2020-09-04 15:50:03,414 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 838 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=645, Invalid=2661, Unknown=0, NotChecked=0, Total=3306 [2020-09-04 15:50:03,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4653 states. [2020-09-04 15:50:04,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4653 to 4053. [2020-09-04 15:50:04,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4053 states. [2020-09-04 15:50:04,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4053 states to 4053 states and 4560 transitions. [2020-09-04 15:50:04,827 INFO L78 Accepts]: Start accepts. Automaton has 4053 states and 4560 transitions. Word has length 527 [2020-09-04 15:50:04,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:50:04,828 INFO L479 AbstractCegarLoop]: Abstraction has 4053 states and 4560 transitions. [2020-09-04 15:50:04,828 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 15:50:04,828 INFO L276 IsEmpty]: Start isEmpty. Operand 4053 states and 4560 transitions. [2020-09-04 15:50:04,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2020-09-04 15:50:04,841 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:50:04,842 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:50:04,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 15:50:04,842 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:50:04,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:50:04,843 INFO L82 PathProgramCache]: Analyzing trace with hash 488577479, now seen corresponding path program 1 times [2020-09-04 15:50:04,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:50:04,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016543807] [2020-09-04 15:50:04,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:50:04,866 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:50:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,252 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:50:05,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:50:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:50:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:50:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:50:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:50:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:50:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:50:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:50:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:50:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:50:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:50:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:50:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 15:50:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 15:50:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 15:50:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:50:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:50:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:50:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:05,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:50:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:50:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-09-04 15:50:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-09-04 15:50:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:50:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:50:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:50:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:50:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-09-04 15:50:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-09-04 15:50:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-09-04 15:50:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-09-04 15:50:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:50:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:50:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:50:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-09-04 15:50:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-09-04 15:50:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:05,895 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 15:50:05,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1016543807] [2020-09-04 15:50:05,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:50:05,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-04 15:50:05,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290171419] [2020-09-04 15:50:05,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 15:50:05,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:50:05,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 15:50:05,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-09-04 15:50:05,898 INFO L87 Difference]: Start difference. First operand 4053 states and 4560 transitions. Second operand 17 states. [2020-09-04 15:50:06,543 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:50:07,826 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:50:11,164 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:50:11,562 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:50:11,985 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:50:12,378 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:50:12,717 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:50:13,065 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:50:13,389 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:50:13,738 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:50:14,084 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:50:14,482 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:50:14,821 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:50:15,174 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:50:17,927 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:50:18,577 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 15:50:19,192 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 15:50:19,546 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:50:19,925 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:50:20,274 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 15:50:23,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:50:23,621 INFO L93 Difference]: Finished difference Result 12550 states and 14704 transitions. [2020-09-04 15:50:23,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-09-04 15:50:23,626 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 532 [2020-09-04 15:50:23,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:50:23,668 INFO L225 Difference]: With dead ends: 12550 [2020-09-04 15:50:23,669 INFO L226 Difference]: Without dead ends: 8625 [2020-09-04 15:50:23,683 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 132 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1207 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=843, Invalid=3447, Unknown=0, NotChecked=0, Total=4290 [2020-09-04 15:50:23,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8625 states. [2020-09-04 15:50:26,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8625 to 7511. [2020-09-04 15:50:26,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7511 states. [2020-09-04 15:50:26,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7511 states to 7511 states and 8356 transitions. [2020-09-04 15:50:26,435 INFO L78 Accepts]: Start accepts. Automaton has 7511 states and 8356 transitions. Word has length 532 [2020-09-04 15:50:26,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:50:26,435 INFO L479 AbstractCegarLoop]: Abstraction has 7511 states and 8356 transitions. [2020-09-04 15:50:26,436 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 15:50:26,436 INFO L276 IsEmpty]: Start isEmpty. Operand 7511 states and 8356 transitions. [2020-09-04 15:50:26,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2020-09-04 15:50:26,451 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:50:26,452 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:50:26,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 15:50:26,452 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:50:26,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:50:26,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1491418747, now seen corresponding path program 1 times [2020-09-04 15:50:26,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:50:26,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [529281097] [2020-09-04 15:50:26,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:50:26,469 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:50:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:26,875 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:50:26,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:26,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:50:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:26,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:50:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:26,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:50:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:26,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:50:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:26,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:50:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:26,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:50:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:26,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 15:50:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 15:50:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 15:50:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:50:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:50:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:50:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:50:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 15:50:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 15:50:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-09-04 15:50:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:50:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:50:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:50:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:50:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:50:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 15:50:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 15:50:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:50:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:50:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:50:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:50:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-09-04 15:50:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2020-09-04 15:50:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-09-04 15:50:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:50:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:50:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:50:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-09-04 15:50:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2020-09-04 15:50:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:27,803 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 15:50:27,804 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [529281097] [2020-09-04 15:50:27,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:50:27,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-09-04 15:50:27,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025521199] [2020-09-04 15:50:27,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-04 15:50:27,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:50:27,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-04 15:50:27,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-09-04 15:50:27,806 INFO L87 Difference]: Start difference. First operand 7511 states and 8356 transitions. Second operand 23 states. [2020-09-04 15:50:28,492 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:50:28,959 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:50:29,299 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:50:29,639 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:50:29,974 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:50:30,292 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:50:31,457 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:50:34,854 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:50:35,243 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:50:35,678 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:50:36,104 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:50:36,449 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:50:36,790 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:50:37,098 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:50:37,457 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:50:37,812 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:50:38,234 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:50:38,582 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:50:38,945 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:50:39,621 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:50:40,398 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 15:50:41,028 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:50:47,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:50:47,867 INFO L93 Difference]: Finished difference Result 16157 states and 18787 transitions. [2020-09-04 15:50:47,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-09-04 15:50:47,868 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 533 [2020-09-04 15:50:47,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:50:47,907 INFO L225 Difference]: With dead ends: 16157 [2020-09-04 15:50:47,907 INFO L226 Difference]: Without dead ends: 9342 [2020-09-04 15:50:47,925 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 140 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2151 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=1297, Invalid=5843, Unknown=0, NotChecked=0, Total=7140 [2020-09-04 15:50:47,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9342 states. [2020-09-04 15:50:50,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9342 to 7153. [2020-09-04 15:50:50,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7153 states. [2020-09-04 15:50:50,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7153 states to 7153 states and 7913 transitions. [2020-09-04 15:50:50,321 INFO L78 Accepts]: Start accepts. Automaton has 7153 states and 7913 transitions. Word has length 533 [2020-09-04 15:50:50,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:50:50,321 INFO L479 AbstractCegarLoop]: Abstraction has 7153 states and 7913 transitions. [2020-09-04 15:50:50,322 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-04 15:50:50,322 INFO L276 IsEmpty]: Start isEmpty. Operand 7153 states and 7913 transitions. [2020-09-04 15:50:50,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2020-09-04 15:50:50,334 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:50:50,335 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:50,335 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 15:50:50,335 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:50:50,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:50:50,335 INFO L82 PathProgramCache]: Analyzing trace with hash 623386669, now seen corresponding path program 1 times [2020-09-04 15:50:50,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:50:50,336 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2112938157] [2020-09-04 15:50:50,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:50:50,348 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:50:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:50,781 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:50:50,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:50,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:50:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:50,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:50:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:50,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:50:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:50,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:50:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:50,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:50:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:50,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:50:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:50,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:50:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:50,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:50:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:50,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:50,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:50,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:50:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:50,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:50,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:50,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:50:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:50,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:50:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:50,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:50,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:50,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:50:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:50,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 15:50:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 15:50:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 15:50:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:50:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:50:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:50:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:50:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:50:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-09-04 15:50:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-09-04 15:50:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:50:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:50:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:50:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:50:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2020-09-04 15:50:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-09-04 15:50:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-09-04 15:50:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:50:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2020-09-04 15:50:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2020-09-04 15:50:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-09-04 15:50:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:50:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:50:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:50:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2020-09-04 15:50:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2020-09-04 15:50:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:51,515 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 15:50:51,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2112938157] [2020-09-04 15:50:51,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:50:51,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 15:50:51,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807585181] [2020-09-04 15:50:51,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 15:50:51,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:50:51,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 15:50:51,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2020-09-04 15:50:51,518 INFO L87 Difference]: Start difference. First operand 7153 states and 7913 transitions. Second operand 19 states. [2020-09-04 15:50:52,164 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:50:54,252 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:50:54,612 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:50:55,263 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 15:50:55,615 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:50:56,229 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 15:50:56,765 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:50:57,357 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 15:50:57,751 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:50:58,131 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:50:58,454 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:50:58,787 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:51:00,835 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:51:01,196 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:51:08,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:51:08,540 INFO L93 Difference]: Finished difference Result 15137 states and 17454 transitions. [2020-09-04 15:51:08,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-09-04 15:51:08,541 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 595 [2020-09-04 15:51:08,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:51:08,578 INFO L225 Difference]: With dead ends: 15137 [2020-09-04 15:51:08,578 INFO L226 Difference]: Without dead ends: 10872 [2020-09-04 15:51:08,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 152 SyntacticMatches, 6 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1186 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=793, Invalid=3497, Unknown=0, NotChecked=0, Total=4290 [2020-09-04 15:51:08,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10872 states. [2020-09-04 15:51:12,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10872 to 8801. [2020-09-04 15:51:12,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8801 states. [2020-09-04 15:51:12,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8801 states to 8801 states and 9707 transitions. [2020-09-04 15:51:12,348 INFO L78 Accepts]: Start accepts. Automaton has 8801 states and 9707 transitions. Word has length 595 [2020-09-04 15:51:12,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:51:12,349 INFO L479 AbstractCegarLoop]: Abstraction has 8801 states and 9707 transitions. [2020-09-04 15:51:12,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 15:51:12,349 INFO L276 IsEmpty]: Start isEmpty. Operand 8801 states and 9707 transitions. [2020-09-04 15:51:12,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2020-09-04 15:51:12,375 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:51:12,376 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:51:12,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-04 15:51:12,376 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:51:12,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:51:12,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1785183203, now seen corresponding path program 1 times [2020-09-04 15:51:12,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:51:12,377 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [692138905] [2020-09-04 15:51:12,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:51:12,390 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:51:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:12,803 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:51:12,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:51:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:12,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:51:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:12,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:51:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:12,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:51:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:12,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:51:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:12,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:51:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:12,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:51:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:12,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:51:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:12,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:51:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:12,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:51:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:12,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:51:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:12,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:51:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:12,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:51:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:12,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:51:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:12,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:51:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:12,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:51:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:12,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:51:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:12,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:51:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:12,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:51:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:12,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 15:51:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:12,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:51:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 15:51:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 15:51:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-09-04 15:51:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:51:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:51:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:51:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:51:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:51:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:51:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:51:13,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:51:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:51:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:51:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:51:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 15:51:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 15:51:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:51:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:51:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:51:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:51:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:51:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:51:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:51:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:51:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:51:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:51:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-09-04 15:51:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-09-04 15:51:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-09-04 15:51:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-09-04 15:51:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:51:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2020-09-04 15:51:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:51:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:51:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:51:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:51:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:51:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:51:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:51:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2020-09-04 15:51:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2020-09-04 15:51:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:13,571 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 15:51:13,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [692138905] [2020-09-04 15:51:13,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:51:13,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-09-04 15:51:13,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070176350] [2020-09-04 15:51:13,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-04 15:51:13,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:51:13,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-04 15:51:13,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-09-04 15:51:13,573 INFO L87 Difference]: Start difference. First operand 8801 states and 9707 transitions. Second operand 23 states. [2020-09-04 15:51:14,292 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:51:14,752 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:51:15,093 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:51:15,533 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:51:15,871 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:51:16,193 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:51:17,397 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:51:20,769 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:51:21,172 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:51:21,610 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:51:22,049 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:51:22,397 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:51:22,746 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:51:23,075 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:51:23,435 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:51:23,789 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:51:24,204 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:51:24,551 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:51:24,915 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:51:28,437 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:51:29,110 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 15:51:29,736 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:51:35,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:51:35,146 INFO L93 Difference]: Finished difference Result 18645 states and 21441 transitions. [2020-09-04 15:51:35,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-09-04 15:51:35,147 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 553 [2020-09-04 15:51:35,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:51:35,178 INFO L225 Difference]: With dead ends: 18645 [2020-09-04 15:51:35,179 INFO L226 Difference]: Without dead ends: 10540 [2020-09-04 15:51:35,198 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 150 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2174 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=1316, Invalid=5994, Unknown=0, NotChecked=0, Total=7310 [2020-09-04 15:51:35,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10540 states. [2020-09-04 15:51:37,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10540 to 8115. [2020-09-04 15:51:37,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8115 states. [2020-09-04 15:51:37,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8115 states to 8115 states and 8947 transitions. [2020-09-04 15:51:37,898 INFO L78 Accepts]: Start accepts. Automaton has 8115 states and 8947 transitions. Word has length 553 [2020-09-04 15:51:37,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:51:37,899 INFO L479 AbstractCegarLoop]: Abstraction has 8115 states and 8947 transitions. [2020-09-04 15:51:37,899 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-04 15:51:37,899 INFO L276 IsEmpty]: Start isEmpty. Operand 8115 states and 8947 transitions. [2020-09-04 15:51:37,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2020-09-04 15:51:37,913 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:51:37,913 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:51:37,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-04 15:51:37,914 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:51:37,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:51:37,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1886427033, now seen corresponding path program 2 times [2020-09-04 15:51:37,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:51:37,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1451062942] [2020-09-04 15:51:37,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:51:37,933 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:51:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,317 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:51:38,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:51:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:51:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:51:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:51:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:51:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:51:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:51:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:51:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:51:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:51:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:51:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:51:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:51:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:51:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:51:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:51:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:51:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:51:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:51:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 15:51:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:51:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 15:51:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 15:51:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:51:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:51:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:51:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:51:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:51:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:51:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:51:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:51:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:51:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:51:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:51:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-09-04 15:51:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 15:51:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 15:51:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:51:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:51:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:51:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:51:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:51:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:51:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:51:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:51:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:51:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:51:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-09-04 15:51:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-09-04 15:51:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-09-04 15:51:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-09-04 15:51:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:51:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2020-09-04 15:51:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:51:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:51:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:51:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:51:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:51:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:51:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:51:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2020-09-04 15:51:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:38,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2020-09-04 15:51:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:51:39,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:51:39,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1451062942] [2020-09-04 15:51:39,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:51:39,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 15:51:39,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156042135] [2020-09-04 15:51:39,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 15:51:39,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:51:39,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 15:51:39,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2020-09-04 15:51:39,033 INFO L87 Difference]: Start difference. First operand 8115 states and 8947 transitions. Second operand 19 states. [2020-09-04 15:51:39,677 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:51:41,831 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:51:42,190 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:51:42,975 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 15:51:43,319 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:51:43,960 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-04 15:51:44,294 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:51:44,897 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 15:51:45,224 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:51:45,582 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:51:45,990 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 15:51:46,338 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:51:46,677 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:51:48,233 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:51:48,598 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:51:49,341 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-04 15:51:50,073 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 15:51:50,711 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-04 15:51:51,767 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:51:52,139 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:51:56,979 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:51:58,028 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:51:58,377 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:51:59,012 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:51:59,669 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 15:52:00,275 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:52:10,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:52:10,421 INFO L93 Difference]: Finished difference Result 20541 states and 24464 transitions. [2020-09-04 15:52:10,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2020-09-04 15:52:10,422 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 553 [2020-09-04 15:52:10,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:52:10,468 INFO L225 Difference]: With dead ends: 20541 [2020-09-04 15:52:10,468 INFO L226 Difference]: Without dead ends: 15820 [2020-09-04 15:52:10,487 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 194 SyntacticMatches, 7 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6177 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=2603, Invalid=13909, Unknown=0, NotChecked=0, Total=16512 [2020-09-04 15:52:10,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15820 states. [2020-09-04 15:52:13,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15820 to 10271. [2020-09-04 15:52:13,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10271 states. [2020-09-04 15:52:13,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10271 states to 10271 states and 11303 transitions. [2020-09-04 15:52:13,844 INFO L78 Accepts]: Start accepts. Automaton has 10271 states and 11303 transitions. Word has length 553 [2020-09-04 15:52:13,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:52:13,844 INFO L479 AbstractCegarLoop]: Abstraction has 10271 states and 11303 transitions. [2020-09-04 15:52:13,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 15:52:13,845 INFO L276 IsEmpty]: Start isEmpty. Operand 10271 states and 11303 transitions. [2020-09-04 15:52:13,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 623 [2020-09-04 15:52:13,866 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:52:13,866 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:52:13,866 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-04 15:52:13,867 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:52:13,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:52:13,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1869648953, now seen corresponding path program 1 times [2020-09-04 15:52:13,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:52:13,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1490373311] [2020-09-04 15:52:13,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:52:13,880 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:52:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,381 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:52:14,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:52:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:52:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:52:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:52:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:52:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:52:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:52:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:52:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:52:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:52:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:52:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:52:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:52:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:52:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:52:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:52:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:52:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:52:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:52:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 15:52:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:52:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 15:52:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 15:52:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:52:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:52:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:52:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:52:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:52:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:52:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:52:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:52:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:52:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:52:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:52:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-09-04 15:52:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-09-04 15:52:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:52:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:52:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:52:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:52:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:52:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:52:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:52:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:52:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:52:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:52:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:52:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:14,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-09-04 15:52:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:15,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-09-04 15:52:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:15,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:52:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:15,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2020-09-04 15:52:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:15,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:52:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:15,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:52:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:15,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:52:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:15,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:52:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:15,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:52:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:15,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-09-04 15:52:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:15,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2020-09-04 15:52:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:15,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2020-09-04 15:52:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:15,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:52:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:15,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2020-09-04 15:52:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:15,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:52:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:15,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:52:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:15,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:52:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:15,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:52:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:15,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:52:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:15,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:52:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:15,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:52:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:15,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2020-09-04 15:52:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:15,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2020-09-04 15:52:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:52:15,632 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 15:52:15,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1490373311] [2020-09-04 15:52:15,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:52:15,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-09-04 15:52:15,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495569921] [2020-09-04 15:52:15,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-09-04 15:52:15,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:52:15,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-09-04 15:52:15,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=577, Unknown=0, NotChecked=0, Total=650 [2020-09-04 15:52:15,635 INFO L87 Difference]: Start difference. First operand 10271 states and 11303 transitions. Second operand 26 states. [2020-09-04 15:52:16,609 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-04 15:52:18,135 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-04 15:52:20,053 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 15:52:20,764 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-04 15:52:21,490 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-09-04 15:52:22,161 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 15:52:22,836 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 193 [2020-09-04 15:52:23,497 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-04 15:52:24,140 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-09-04 15:52:24,828 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 15:52:25,507 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-04 15:52:26,129 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 15:52:31,270 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-04 15:52:32,483 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 15:52:33,148 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-04 15:52:33,800 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-09-04 15:52:34,472 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 193 [2020-09-04 15:52:35,103 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-09-04 15:52:40,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:52:40,629 INFO L93 Difference]: Finished difference Result 19259 states and 21919 transitions. [2020-09-04 15:52:40,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-09-04 15:52:40,630 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 622 [2020-09-04 15:52:40,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:52:40,635 INFO L225 Difference]: With dead ends: 19259 [2020-09-04 15:52:40,635 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 15:52:40,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 157 SyntacticMatches, 11 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1939 ImplicationChecksByTransitivity, 13.2s TimeCoverageRelationStatistics Valid=1065, Invalid=5577, Unknown=0, NotChecked=0, Total=6642 [2020-09-04 15:52:40,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 15:52:40,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 15:52:40,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 15:52:40,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 15:52:40,667 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 622 [2020-09-04 15:52:40,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:52:40,667 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 15:52:40,667 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-09-04 15:52:40,667 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 15:52:40,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 15:52:40,668 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-04 15:52:40,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 15:52:41,162 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 15:52:41,555 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:52:41,937 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:52:42,330 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 15:52:42,714 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 15:52:43,082 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:52:43,441 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:52:43,836 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 15:52:44,214 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:52:44,598 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 15:52:44,976 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:52:45,344 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:52:45,711 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 15:52:46,071 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:52:46,470 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 15:52:46,847 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 15:52:47,217 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:52:47,584 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:52:47,969 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:52:48,357 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:52:49,777 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 251 DAG size of output: 242 [2020-09-04 15:52:50,153 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:52:50,532 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:52:50,917 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 15:52:51,688 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 15:52:52,071 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:52:52,459 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:52:52,828 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:52:53,201 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:52:53,588 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:52:53,965 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 15:52:54,331 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:52:54,696 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:52:55,080 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:52:55,454 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:52:55,837 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:52:56,217 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:52:56,590 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:52:56,973 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 15:52:57,364 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:52:58,120 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 15:52:58,496 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:52:58,854 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:52:59,234 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:52:59,610 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 15:52:59,989 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:53:00,372 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:53:00,764 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:53:01,157 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 15:53:01,544 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:53:02,032 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 15:53:02,410 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 15:53:03,132 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 15:53:03,499 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:53:03,887 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:53:04,262 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:04,632 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 15:53:05,009 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:53:05,374 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:53:06,145 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 15:53:06,521 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:53:06,898 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 15:53:07,282 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 15:53:07,666 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:53:08,049 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:53:08,432 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:53:08,812 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:53:09,171 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:53:09,533 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:53:09,911 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 15:53:10,284 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:10,644 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:53:11,021 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:53:11,410 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:53:11,798 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:53:12,182 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:53:12,567 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 15:53:12,946 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:53:13,313 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:53:13,682 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 15:53:14,047 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:53:14,427 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:53:14,808 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:53:15,965 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-09-04 15:53:17,702 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 257 DAG size of output: 249 [2020-09-04 15:53:18,080 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 15:53:18,450 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:53:19,677 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 247 DAG size of output: 238 [2020-09-04 15:53:20,057 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:53:20,443 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:53:20,809 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:53:21,174 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:53:21,544 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 15:53:21,918 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:53:23,237 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2020-09-04 15:53:23,600 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:53:23,977 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:53:25,496 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 255 DAG size of output: 248 [2020-09-04 15:53:25,870 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:53:26,241 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:53:26,621 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:53:26,998 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 15:53:27,370 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:53:27,742 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:53:28,962 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 248 DAG size of output: 239 [2020-09-04 15:53:30,001 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 15:53:31,174 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 242 DAG size of output: 232 [2020-09-04 15:53:31,569 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 15:53:31,948 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:53:32,321 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:53:32,686 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:53:34,228 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 257 DAG size of output: 250 [2020-09-04 15:53:34,616 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:53:34,984 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:53:35,363 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 15:53:36,139 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 15:53:36,513 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:53:36,878 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 15:53:37,243 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:37,628 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 15:53:38,013 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 15:53:39,068 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 15:53:39,447 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:53:39,812 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:53:40,179 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:53:40,572 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:53:41,333 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 15:53:41,721 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:53:42,109 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:53:42,482 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:53:42,860 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:53:43,615 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 15:53:43,981 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:53:44,753 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 15:53:45,126 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:53:45,500 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:53:45,879 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 15:53:46,250 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:53:46,632 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:53:47,005 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:53:47,367 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:53:48,124 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 15:53:48,493 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:53:48,880 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:53:49,257 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 15:53:50,721 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 257 DAG size of output: 249 [2020-09-04 15:53:51,087 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:53:51,471 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:53:51,841 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 15:53:52,217 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 15:53:52,595 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 15:53:53,164 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 15:53:53,540 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:53:53,904 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:53:54,277 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:53:54,649 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 15:53:55,017 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:53:56,235 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 259 DAG size of output: 247 [2020-09-04 15:53:56,620 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 15:53:56,980 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:53:57,358 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:53:57,729 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:53:58,102 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:53:58,466 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:53:58,887 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:53:59,272 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:53:59,651 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:54:00,020 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:54:00,393 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 15:54:00,757 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:54:01,135 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:54:01,512 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:54:01,906 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:54:02,288 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 15:54:02,656 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:54:03,051 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:54:03,410 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:54:04,580 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 15:54:04,953 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:54:06,144 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 242 DAG size of output: 233 [2020-09-04 15:54:07,205 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 15:54:07,590 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:54:07,981 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 15:54:08,376 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:54:08,759 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:54:09,122 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:54:09,511 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:54:09,877 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:54:10,954 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 243 DAG size of output: 234 [2020-09-04 15:54:11,345 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 15:54:11,739 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 15:54:12,100 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:54:12,463 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:54:12,833 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 15:54:13,207 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 15:54:13,972 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 15:54:14,348 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:54:15,107 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 15:54:15,869 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 15:54:17,261 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 248 DAG size of output: 239 [2020-09-04 15:54:18,604 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 249 DAG size of output: 240 [2020-09-04 15:54:18,969 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:54:19,330 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:54:19,697 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 15:54:20,094 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 15:54:20,478 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:54:20,858 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:54:21,218 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:54:21,977 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 15:54:22,365 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:54:23,138 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 15:54:23,510 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:54:23,872 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:54:24,230 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:54:24,620 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:54:24,987 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:54:25,366 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:54:25,746 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:54:26,112 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:54:26,481 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 15:54:26,863 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:54:27,239 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:54:27,630 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:54:27,995 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:54:28,363 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:54:28,752 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:54:29,130 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:54:29,511 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:54:29,887 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:54:30,257 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 15:54:30,616 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:54:31,448 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 15:54:31,818 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:54:32,555 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 15:54:32,927 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:54:33,885 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 15:54:35,910 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 250 DAG size of output: 247 [2020-09-04 15:54:36,290 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:54:37,054 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 15:54:37,440 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:54:37,817 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 15:54:38,213 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:54:39,096 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-09-04 15:54:39,448 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:54:39,808 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:54:40,166 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:54:40,525 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:54:40,873 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:54:41,214 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 15:54:41,555 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 224 [2020-09-04 15:54:41,915 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:54:42,283 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:54:42,628 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 15:54:42,995 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:54:43,339 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 15:54:43,683 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 15:54:44,034 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:54:44,383 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:54:44,725 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 15:54:45,078 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 15:54:45,445 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:54:45,786 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 223 [2020-09-04 15:54:46,145 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:54:46,493 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:54:46,843 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:54:47,191 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:54:47,543 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:54:47,895 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:54:48,256 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:54:48,615 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:54:48,957 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 15:54:49,308 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:54:49,661 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:54:50,020 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 15:54:50,380 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:54:50,739 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:54:51,269 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 15:54:51,823 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 15:54:52,179 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:54:52,611 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 15:54:53,212 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 15:54:54,055 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-09-04 15:54:54,412 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:54:54,761 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:54:55,116 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:54:55,546 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 15:54:56,366 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 15:54:57,060 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-09-04 15:54:57,413 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 15:54:57,810 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:54:58,627 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 15:54:58,972 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 15:54:59,973 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-09-04 15:55:00,915 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 229 [2020-09-04 15:55:01,257 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 15:55:01,612 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 15:55:01,971 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:55:02,312 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:55:02,668 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 15:55:03,009 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 15:55:03,358 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 15:55:03,808 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 15:55:04,149 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 15:55:04,505 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 15:55:04,853 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:55:05,367 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 15:55:06,237 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 15:55:06,585 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:55:06,934 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 15:55:07,524 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 15:55:07,875 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 15:55:08,223 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 15:55:08,577 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:55:08,942 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:55:09,308 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:55:09,653 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 15:55:10,001 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:55:10,345 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 15:55:24,385 WARN L193 SmtUtils]: Spent 14.03 s on a formula simplification. DAG size of input: 1246 DAG size of output: 760 [2020-09-04 15:55:24,730 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 15:55:25,126 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 236 [2020-09-04 15:55:25,508 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 15:55:25,894 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 15:55:26,238 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:55:26,629 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 15:55:27,028 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 15:55:27,415 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 15:55:27,803 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 15:55:28,193 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 15:55:28,597 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 15:55:28,987 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 15:55:29,367 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 15:55:29,759 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:55:30,136 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:55:30,513 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 15:55:30,890 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 15:55:31,284 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 15:55:31,678 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 15:55:32,069 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 15:55:32,457 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 234 [2020-09-04 15:55:32,846 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 15:55:33,232 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 237 [2020-09-04 15:55:33,624 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 236 [2020-09-04 15:55:34,007 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:55:34,388 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 15:55:34,785 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 236 [2020-09-04 15:55:35,170 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 237 [2020-09-04 15:55:35,552 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 15:55:35,953 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 15:55:36,353 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 15:55:36,755 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 15:55:37,148 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 15:55:37,529 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 234 [2020-09-04 15:55:37,930 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 15:55:38,310 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 15:55:38,682 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 15:55:39,072 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 236 [2020-09-04 15:55:39,457 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 236 [2020-09-04 15:55:39,830 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:55:40,231 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 15:55:40,623 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:55:41,004 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 15:55:41,381 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:55:41,768 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 15:55:42,167 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 15:55:42,547 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 15:55:42,934 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 15:55:43,333 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 15:55:43,722 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 15:55:44,117 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 15:55:44,498 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 15:55:44,887 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 15:55:45,263 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 15:55:45,655 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 15:55:46,029 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 15:55:46,407 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 15:55:46,799 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 15:55:47,187 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 237 [2020-09-04 15:55:47,561 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 15:55:47,942 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 15:55:48,342 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 15:55:48,723 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:55:49,113 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 15:55:49,487 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 231 [2020-09-04 15:55:49,872 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 15:55:50,272 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 15:55:50,660 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 15:55:51,048 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 15:55:51,429 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 15:55:51,809 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 15:55:52,189 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 15:55:52,535 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:55:52,976 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 236 [2020-09-04 15:55:53,349 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 15:55:53,715 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:55:54,085 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:55:54,455 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:55:54,824 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:55:55,679 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 15:55:56,057 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:55:57,045 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 15:55:57,415 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:55:57,785 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:55:58,155 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:55:58,518 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:55:58,886 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:55:59,256 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:55:59,623 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:55:59,989 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:56:00,352 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:56:01,396 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 15:56:01,761 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:56:02,123 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:56:02,500 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:56:02,870 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:56:03,240 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:56:03,610 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:56:03,979 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:56:04,341 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:56:04,704 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:56:05,066 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:56:05,421 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 226 [2020-09-04 15:56:05,795 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:56:06,159 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:56:06,521 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:56:06,891 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:56:07,254 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:56:07,624 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:56:07,990 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:56:08,346 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 15:56:08,716 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:56:09,624 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 15:56:09,981 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:56:10,345 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:56:10,722 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:56:11,576 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 15:56:12,542 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 15:56:13,564 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 15:56:13,934 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:56:14,306 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:56:14,684 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:56:15,043 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 15:56:15,402 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:56:15,766 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:56:16,123 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 226 [2020-09-04 15:56:17,033 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 15:56:17,413 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 15:56:18,265 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 15:56:19,406 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 15:56:20,525 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 15:56:20,902 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:56:21,280 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 15:56:21,659 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:56:22,017 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 15:56:22,374 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:56:22,738 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:56:23,094 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 226 [2020-09-04 15:56:24,003 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 15:56:24,425 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 15:56:24,833 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 15:56:25,240 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 15:56:25,650 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 15:56:27,602 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 273 DAG size of output: 265 [2020-09-04 15:56:28,011 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 15:56:28,420 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 15:56:28,830 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 15:56:29,240 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 15:56:29,641 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 15:56:30,045 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 15:56:30,448 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 15:56:31,481 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 15:56:32,494 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 15:56:32,905 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 15:56:33,308 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 15:56:33,711 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 15:56:34,734 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 15:56:35,145 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 15:56:36,157 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 15:56:38,350 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 270 DAG size of output: 262 [2020-09-04 15:56:38,753 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 15:56:39,163 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 15:56:39,565 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 15:56:40,560 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 15:56:40,962 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 15:56:41,372 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 15:56:42,363 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 15:56:42,774 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 15:56:43,184 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 15:56:43,601 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 15:56:44,018 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 15:56:44,434 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 15:56:44,836 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 15:56:45,245 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 15:56:46,236 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 15:56:47,228 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 15:56:49,302 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 271 DAG size of output: 261 [2020-09-04 15:56:51,618 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 272 DAG size of output: 264 [2020-09-04 15:56:52,029 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 15:56:52,690 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2020-09-04 15:56:54,338 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2020-09-04 15:56:56,218 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2020-09-04 15:56:56,920 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2020-09-04 15:56:57,928 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 15:56:58,273 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 15:56:58,635 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:56:58,996 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:56:59,354 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:56:59,708 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 15:57:00,064 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:57:00,425 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:57:00,786 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:57:01,149 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 15:57:01,527 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 15:57:01,871 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 15:57:02,222 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 15:57:02,571 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 15:57:02,926 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:57:03,280 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 15:57:22,256 WARN L193 SmtUtils]: Spent 18.97 s on a formula simplification. DAG size of input: 1230 DAG size of output: 825 [2020-09-04 15:57:22,945 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 242 [2020-09-04 15:57:23,412 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 15:57:24,041 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 15:57:24,542 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 15:57:25,211 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-09-04 15:57:25,691 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 15:57:26,378 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 15:57:27,819 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 273 DAG size of output: 253 [2020-09-04 15:57:28,460 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 15:57:29,136 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 15:57:29,781 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 15:57:30,425 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 240 [2020-09-04 15:57:31,058 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 15:57:31,724 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-09-04 15:57:32,390 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-09-04 15:57:32,903 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 15:57:33,383 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 15:57:33,853 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 15:57:34,367 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 15:57:34,890 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 15:57:35,415 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 15:57:36,073 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 243 [2020-09-04 15:57:36,767 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 243 [2020-09-04 15:57:37,248 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 15:57:37,878 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 15:57:38,509 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 15:57:39,170 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-09-04 15:57:39,833 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 243 [2020-09-04 15:57:40,510 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 15:57:41,202 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 243 [2020-09-04 15:57:42,326 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 282 DAG size of output: 258 [2020-09-04 15:57:42,956 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 15:57:43,631 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 15:57:44,261 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 15:57:44,880 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 245 [2020-09-04 15:57:45,545 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-09-04 15:57:46,220 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 15:57:46,850 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 244 [2020-09-04 15:57:47,311 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 15:57:47,956 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 15:57:48,456 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 15:57:49,130 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 15:57:49,809 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 240 [2020-09-04 15:57:50,464 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 242 [2020-09-04 15:57:50,969 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 15:57:51,641 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 15:57:52,311 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-09-04 15:57:52,984 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 15:57:53,609 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 244 [2020-09-04 15:57:54,220 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 245 [2020-09-04 15:57:54,679 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 15:57:56,095 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 283 DAG size of output: 258 [2020-09-04 15:57:57,560 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 272 DAG size of output: 252 [2020-09-04 15:57:58,202 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 15:57:58,711 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 15:57:59,179 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 15:57:59,868 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 242 [2020-09-04 15:58:00,334 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 15:58:00,963 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 15:58:01,464 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 15:58:02,132 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-09-04 15:58:02,612 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 15:58:03,252 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 15:58:04,695 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 273 DAG size of output: 253 [2020-09-04 15:58:05,335 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 15:58:06,010 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 15:58:06,654 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 15:58:07,298 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 240 [2020-09-04 15:58:07,930 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 15:58:08,594 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-09-04 15:58:09,255 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-09-04 15:58:09,768 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 15:58:10,248 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 15:58:10,719 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 15:58:11,234 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 15:58:11,787 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 15:58:12,321 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 15:58:12,982 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 243 [2020-09-04 15:58:13,676 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 243 [2020-09-04 15:58:14,157 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 15:58:14,788 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 15:58:15,466 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 15:58:16,127 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-09-04 15:58:16,789 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 243 [2020-09-04 15:58:17,466 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 15:58:18,159 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 243 [2020-09-04 15:58:19,278 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 282 DAG size of output: 258 [2020-09-04 15:58:19,905 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 15:58:20,579 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 15:58:21,209 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 15:58:21,825 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 245 [2020-09-04 15:58:22,490 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-09-04 15:58:23,164 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 15:58:23,793 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 244 [2020-09-04 15:58:24,254 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 15:58:24,898 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 15:58:25,398 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 15:58:26,071 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 15:58:26,752 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 240 [2020-09-04 15:58:27,407 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 242 [2020-09-04 15:58:27,912 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 15:58:28,557 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 15:58:29,220 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-09-04 15:58:29,892 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-09-04 15:58:30,516 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 244 [2020-09-04 15:58:31,126 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 245 [2020-09-04 15:58:31,585 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 15:58:33,000 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 283 DAG size of output: 258 [2020-09-04 15:58:34,463 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 272 DAG size of output: 252 [2020-09-04 15:58:35,104 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 15:58:35,614 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 15:58:36,084 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 15:58:57,770 WARN L193 SmtUtils]: Spent 21.67 s on a formula simplification. DAG size of input: 1252 DAG size of output: 787 [2020-09-04 15:58:58,916 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 15:58:59,268 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:58:59,623 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:58:59,965 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 15:59:00,321 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 15:59:00,670 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 15:59:01,015 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 15:59:01,351 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 15:59:02,168 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 229 [2020-09-04 15:59:02,526 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:59:02,863 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 221 [2020-09-04 15:59:03,205 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 15:59:03,557 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 15:59:03,919 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:59:04,281 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:59:04,618 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 15:59:04,983 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:59:05,334 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:59:05,682 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:59:06,035 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 15:59:06,394 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:59:06,746 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:59:07,097 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:59:07,464 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:59:07,818 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 15:59:08,174 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:59:08,530 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 226 [2020-09-04 15:59:08,888 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:59:09,251 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:59:09,594 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 15:59:10,376 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:59:10,731 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:59:11,079 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 224 [2020-09-04 15:59:11,431 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 15:59:11,781 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:59:12,117 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 222 [2020-09-04 15:59:12,461 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 15:59:12,821 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:59:13,180 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:59:13,529 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:59:14,369 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 15:59:14,727 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:59:15,068 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 15:59:15,413 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 15:59:15,756 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 15:59:16,107 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:59:16,457 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:59:16,806 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 15:59:17,154 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:59:17,518 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:59:17,867 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 15:59:18,232 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:59:18,599 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:59:18,949 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 15:59:19,306 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 15:59:19,664 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:59:20,014 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:59:20,366 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:59:20,718 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 15:59:21,082 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:59:21,417 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 15:59:21,768 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 15:59:22,112 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 15:59:22,467 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 15:59:22,823 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 15:59:23,185 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 15:59:23,552 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:59:23,899 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 15:59:24,240 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 15:59:24,591 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:59:24,943 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:59:25,285 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 15:59:25,633 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:59:25,992 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:59:26,334 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:59:26,689 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:59:27,597 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 15:59:27,953 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:59:28,304 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:59:28,660 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:59:29,015 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:59:29,378 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:59:29,727 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:59:30,073 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 15:59:30,414 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 222 [2020-09-04 15:59:30,759 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 223 [2020-09-04 15:59:31,104 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 15:59:31,465 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:59:31,800 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 15:59:32,212 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:59:32,562 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:59:33,417 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 15:59:34,403 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 15:59:34,755 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:59:35,110 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 15:59:35,461 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:59:35,817 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 15:59:36,740 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 226 [2020-09-04 15:59:37,089 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:59:37,445 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:59:58,889 WARN L193 SmtUtils]: Spent 21.44 s on a formula simplification. DAG size of input: 1416 DAG size of output: 923 [2020-09-04 15:59:59,235 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 15:59:59,590 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:59:59,939 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:00,288 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:00,651 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 16:00:01,006 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:00:01,351 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:00:01,696 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:00:02,058 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:00:02,406 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:02,761 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:00:03,110 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:03,461 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:03,813 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:00:04,157 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:00:04,523 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:00:04,871 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:00:05,212 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 222 [2020-09-04 16:00:05,555 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:00:05,911 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:00:06,262 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:08,025 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 248 DAG size of output: 244 [2020-09-04 16:00:08,372 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:00:08,721 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 224 [2020-09-04 16:00:09,077 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:00:09,568 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 16:00:09,920 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:00:10,278 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:00:10,620 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:00:10,964 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:00:11,322 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:00:11,671 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:00:12,023 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:00:12,374 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:12,730 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:00:13,073 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:00:13,428 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:00:13,779 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:14,123 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:00:14,478 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:00:14,840 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:00:15,407 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 224 [2020-09-04 16:00:15,756 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:16,100 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:00:16,451 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:16,810 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:00:17,161 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:00:17,515 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:17,875 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:18,244 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:00:18,602 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:18,964 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 16:00:19,327 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:00:19,894 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 230 [2020-09-04 16:00:20,246 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:20,605 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:00:20,966 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:00:21,307 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:00:21,655 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:22,006 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:00:22,584 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 16:00:22,932 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:23,281 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:00:23,636 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:00:23,991 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:00:24,344 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:00:24,709 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:25,060 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:00:25,405 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:25,741 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:00:26,102 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:00:26,460 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:00:26,804 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:00:27,150 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:00:27,507 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:00:27,866 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:00:28,221 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:00:28,576 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:00:28,924 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:29,276 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:29,617 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:00:29,954 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:00:30,305 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:30,658 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:00:31,394 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 16:00:32,571 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 248 DAG size of output: 227 [2020-09-04 16:00:32,920 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:00:33,261 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:00:34,447 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 244 DAG size of output: 235 [2020-09-04 16:00:34,799 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:00:35,156 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 226 [2020-09-04 16:00:35,495 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:00:35,833 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:00:36,176 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:00:36,534 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:37,526 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 229 [2020-09-04 16:00:37,862 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 221 [2020-09-04 16:00:38,210 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:39,119 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 226 [2020-09-04 16:00:39,464 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:39,806 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:00:40,158 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:40,507 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:00:40,852 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:00:41,196 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:00:42,403 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 245 DAG size of output: 236 [2020-09-04 16:00:43,228 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-09-04 16:00:44,044 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 228 [2020-09-04 16:00:44,411 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:00:44,754 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:45,098 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:00:45,450 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:46,413 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 229 [2020-09-04 16:00:46,774 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:00:47,114 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:00:47,463 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:00:48,080 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 16:00:48,424 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:48,775 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:00:49,127 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:00:49,483 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:00:49,840 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:00:50,687 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 229 [2020-09-04 16:00:51,036 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:51,387 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:51,740 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:00:52,096 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:00:52,580 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 224 [2020-09-04 16:00:52,939 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:00:53,297 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:00:53,641 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:53,991 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:00:54,605 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 224 [2020-09-04 16:00:54,943 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 16:00:55,434 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 16:00:55,778 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:00:56,137 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:56,487 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:00:56,830 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:00:57,179 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:57,523 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:00:57,858 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 222 [2020-09-04 16:00:58,425 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 16:00:58,763 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:00:59,121 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:00:59,469 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:01:00,518 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 248 DAG size of output: 235 [2020-09-04 16:01:00,869 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:01,225 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:01:01,567 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:01:01,917 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:01:02,271 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:01:02,676 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 229 [2020-09-04 16:01:03,025 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:03,376 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:01:03,735 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:04,093 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:01:04,446 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:01:05,688 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 250 DAG size of output: 237 [2020-09-04 16:01:06,045 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:01:06,390 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:01:06,740 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:07,082 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:01:07,447 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:07,785 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:01:08,132 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:08,488 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:01:08,839 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:09,180 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:01:09,524 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:01:09,861 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 221 [2020-09-04 16:01:10,210 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:10,560 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:10,924 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:01:11,289 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:01:11,631 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:01:11,996 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:01:12,341 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:01:13,155 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 16:01:13,510 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:14,339 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 229 [2020-09-04 16:01:15,187 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-09-04 16:01:15,543 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:01:15,905 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 16:01:16,270 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:01:16,621 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:16,958 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:01:17,318 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:01:17,671 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:01:18,530 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-09-04 16:01:18,892 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:01:19,257 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 16:01:19,602 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:01:19,939 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:01:20,280 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:01:20,625 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 223 [2020-09-04 16:01:21,231 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 16:01:21,580 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:22,065 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 16:01:22,552 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-09-04 16:01:23,684 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-09-04 16:01:24,886 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 246 DAG size of output: 236 [2020-09-04 16:01:25,223 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:01:25,569 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:01:25,921 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:01:26,289 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:01:26,644 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:01:26,995 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:27,341 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:01:27,853 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 16:01:28,212 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:01:28,923 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 226 [2020-09-04 16:01:29,269 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-09-04 16:01:29,615 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:01:29,960 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:01:30,319 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:01:30,671 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:01:31,022 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:31,373 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:01:31,712 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 16:01:32,053 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:01:32,406 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:32,754 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 16:01:33,115 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:01:33,467 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:01:33,820 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:34,181 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:01:34,531 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:34,884 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:01:35,231 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:35,573 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:01:35,918 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:01:36,703 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 16:01:37,044 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 222 [2020-09-04 16:01:37,482 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 16:01:37,827 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:01:38,548 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 224 [2020-09-04 16:01:40,254 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 16:01:40,606 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:41,178 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 16:01:41,530 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:01:41,879 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:01:42,245 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:01:42,948 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-09-04 16:01:43,768 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-09-04 16:01:44,323 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 16:01:44,678 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:01:45,619 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 229 [2020-09-04 16:01:46,052 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:01:47,054 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229