/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_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 15:55:58,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 15:55:58,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 15:55:58,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 15:55:58,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 15:55:58,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 15:55:58,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 15:55:58,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 15:55:58,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 15:55:58,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 15:55:58,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 15:55:58,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 15:55:58,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 15:55:58,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 15:55:58,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 15:55:58,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 15:55:58,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 15:55:58,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 15:55:58,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 15:55:58,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 15:55:58,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 15:55:58,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 15:55:58,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 15:55:58,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 15:55:58,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 15:55:58,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 15:55:58,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 15:55:58,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 15:55:58,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 15:55:58,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 15:55:58,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 15:55:58,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 15:55:58,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 15:55:58,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 15:55:58,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 15:55:58,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 15:55:58,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 15:55:58,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 15:55:58,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 15:55:58,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 15:55:58,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 15:55:58,129 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 15:55:58,148 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 15:55:58,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 15:55:58,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 15:55:58,150 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 15:55:58,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 15:55:58,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 15:55:58,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 15:55:58,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 15:55:58,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 15:55:58,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 15:55:58,153 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 15:55:58,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 15:55:58,153 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 15:55:58,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 15:55:58,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 15:55:58,154 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 15:55:58,154 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 15:55:58,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 15:55:58,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 15:55:58,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 15:55:58,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 15:55:58,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 15:55:58,156 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 15:55:58,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 15:55:58,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 15:55:58,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 15:55:58,581 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 15:55:58,582 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 15:55:58,583 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c [2020-09-04 15:55:58,666 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9dc9760e7/c62c62d06ce5457393c0ef212d928f63/FLAGa8c5e918d [2020-09-04 15:55:59,280 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 15:55:59,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c [2020-09-04 15:55:59,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9dc9760e7/c62c62d06ce5457393c0ef212d928f63/FLAGa8c5e918d [2020-09-04 15:55:59,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9dc9760e7/c62c62d06ce5457393c0ef212d928f63 [2020-09-04 15:55:59,545 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 15:55:59,547 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 15:55:59,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 15:55:59,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 15:55:59,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 15:55:59,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 03:55:59" (1/1) ... [2020-09-04 15:55:59,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a477604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:55:59, skipping insertion in model container [2020-09-04 15:55:59,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 03:55:59" (1/1) ... [2020-09-04 15:55:59,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 15:55:59,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 15:56:00,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 15:56:00,095 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 15:56:00,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 15:56:00,230 INFO L208 MainTranslator]: Completed translation [2020-09-04 15:56:00,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:00 WrapperNode [2020-09-04 15:56:00,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 15:56:00,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 15:56:00,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 15:56:00,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 15:56:00,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:00" (1/1) ... [2020-09-04 15:56:00,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:00" (1/1) ... [2020-09-04 15:56:00,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:00" (1/1) ... [2020-09-04 15:56:00,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:00" (1/1) ... [2020-09-04 15:56:00,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:00" (1/1) ... [2020-09-04 15:56:00,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:00" (1/1) ... [2020-09-04 15:56:00,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:00" (1/1) ... [2020-09-04 15:56:00,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 15:56:00,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 15:56:00,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 15:56:00,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 15:56:00,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:00" (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 15:56:00,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 15:56:00,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 15:56:00,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 15:56:00,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 15:56:00,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 15:56:00,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 15:56:00,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 15:56:00,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 15:56:00,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 15:56:00,422 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 15:56:00,422 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 15:56:00,423 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 15:56:00,423 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 15:56:00,424 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 15:56:00,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 15:56:00,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-04 15:56:00,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-04 15:56:00,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-04 15:56:00,425 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 15:56:00,425 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 15:56:00,426 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 15:56:00,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 15:56:00,429 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 15:56:00,429 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 15:56:00,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 15:56:00,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-04 15:56:00,430 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 15:56:00,430 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 15:56:00,430 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 15:56:00,430 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 15:56:00,430 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 15:56:00,431 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 15:56:00,431 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 15:56:00,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 15:56:00,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 15:56:00,431 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 15:56:00,432 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 15:56:00,432 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-04 15:56:00,432 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-04 15:56:00,432 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-04 15:56:00,432 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 15:56:00,432 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 15:56:00,433 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 15:56:00,433 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 15:56:00,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 15:56:00,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 15:56:00,433 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 15:56:00,433 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 15:56:00,434 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 15:56:00,434 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 15:56:00,434 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 15:56:00,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 15:56:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 15:56:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 15:56:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 15:56:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 15:56:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 15:56:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 15:56:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 15:56:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 15:56:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 15:56:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 15:56:00,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 15:56:00,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 15:56:00,437 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 15:56:00,437 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 15:56:00,437 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 15:56:00,438 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 15:56:00,438 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 15:56:00,438 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 15:56:00,438 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 15:56:00,438 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-04 15:56:00,438 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 15:56:00,439 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 15:56:00,439 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 15:56:00,439 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 15:56:00,439 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 15:56:00,440 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 15:56:00,440 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 15:56:00,440 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 15:56:00,441 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 15:56:00,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-04 15:56:00,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-04 15:56:00,441 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 15:56:00,441 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 15:56:00,442 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 15:56:00,442 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 15:56:00,443 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-04 15:56:00,443 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-04 15:56:00,444 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-04 15:56:00,444 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 15:56:00,444 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 15:56:00,444 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 15:56:00,444 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 15:56:00,444 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 15:56:00,445 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 15:56:00,445 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-04 15:56:00,445 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 15:56:00,445 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 15:56:00,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 15:56:00,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 15:56:00,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 15:56:01,709 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 15:56:01,709 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 15:56:01,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 03:56:01 BoogieIcfgContainer [2020-09-04 15:56:01,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 15:56:01,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 15:56:01,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 15:56:01,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 15:56:01,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 03:55:59" (1/3) ... [2020-09-04 15:56:01,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef4a14f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 03:56:01, skipping insertion in model container [2020-09-04 15:56:01,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:00" (2/3) ... [2020-09-04 15:56:01,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef4a14f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 03:56:01, skipping insertion in model container [2020-09-04 15:56:01,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 03:56:01" (3/3) ... [2020-09-04 15:56:01,726 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product52.cil.c [2020-09-04 15:56:01,737 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 15:56:01,748 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 15:56:01,766 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 15:56:01,788 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 15:56:01,788 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 15:56:01,788 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 15:56:01,788 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 15:56:01,788 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 15:56:01,789 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 15:56:01,789 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 15:56:01,789 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 15:56:01,813 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2020-09-04 15:56:01,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-04 15:56:01,836 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:01,838 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 15:56:01,838 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:01,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:01,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1537193483, now seen corresponding path program 1 times [2020-09-04 15:56:01,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:01,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [262702563] [2020-09-04 15:56:01,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:01,934 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:02,723 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:02,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:02,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:02,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:02,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:02,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:02,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:02,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 15:56:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:02,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:02,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 15:56:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:02,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 15:56:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:02,894 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 15:56:02,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [262702563] [2020-09-04 15:56:02,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:02,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 15:56:02,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921187070] [2020-09-04 15:56:02,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 15:56:02,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:02,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 15:56:02,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 15:56:02,929 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 4 states. [2020-09-04 15:56:04,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:04,416 INFO L93 Difference]: Finished difference Result 532 states and 626 transitions. [2020-09-04 15:56:04,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 15:56:04,419 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-04 15:56:04,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:04,439 INFO L225 Difference]: With dead ends: 532 [2020-09-04 15:56:04,440 INFO L226 Difference]: Without dead ends: 333 [2020-09-04 15:56:04,446 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 15:56:04,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-09-04 15:56:04,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 284. [2020-09-04 15:56:04,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-09-04 15:56:04,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 310 transitions. [2020-09-04 15:56:04,616 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 310 transitions. Word has length 160 [2020-09-04 15:56:04,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:04,617 INFO L479 AbstractCegarLoop]: Abstraction has 284 states and 310 transitions. [2020-09-04 15:56:04,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 15:56:04,618 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 310 transitions. [2020-09-04 15:56:04,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-04 15:56:04,623 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:04,623 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 15:56:04,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 15:56:04,624 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:04,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:04,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1855908241, now seen corresponding path program 1 times [2020-09-04 15:56:04,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:04,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [206785000] [2020-09-04 15:56:04,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:04,629 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:05,048 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:05,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:05,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:05,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:05,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:05,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:05,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:05,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:56:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:05,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:05,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:56:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:05,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:56:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:05,175 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 15:56:05,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [206785000] [2020-09-04 15:56:05,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:05,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 15:56:05,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292668914] [2020-09-04 15:56:05,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 15:56:05,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:05,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 15:56:05,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 15:56:05,181 INFO L87 Difference]: Start difference. First operand 284 states and 310 transitions. Second operand 5 states. [2020-09-04 15:56:05,831 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:06,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:06,969 INFO L93 Difference]: Finished difference Result 451 states and 510 transitions. [2020-09-04 15:56:06,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 15:56:06,972 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-04 15:56:06,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:06,976 INFO L225 Difference]: With dead ends: 451 [2020-09-04 15:56:06,976 INFO L226 Difference]: Without dead ends: 322 [2020-09-04 15:56:06,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 15:56:06,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-09-04 15:56:07,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 274. [2020-09-04 15:56:07,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-09-04 15:56:07,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 297 transitions. [2020-09-04 15:56:07,057 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 297 transitions. Word has length 161 [2020-09-04 15:56:07,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:07,058 INFO L479 AbstractCegarLoop]: Abstraction has 274 states and 297 transitions. [2020-09-04 15:56:07,058 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 15:56:07,058 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 297 transitions. [2020-09-04 15:56:07,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-04 15:56:07,061 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:07,061 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 15:56:07,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 15:56:07,062 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:07,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:07,062 INFO L82 PathProgramCache]: Analyzing trace with hash 528058329, now seen corresponding path program 1 times [2020-09-04 15:56:07,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:07,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [296674066] [2020-09-04 15:56:07,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:07,066 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:07,510 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:07,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:07,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:07,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:07,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:07,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:07,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:07,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:56:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:07,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:56:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:07,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:07,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-04 15:56:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:07,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-04 15:56:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:07,684 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 15:56:07,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [296674066] [2020-09-04 15:56:07,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:07,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 15:56:07,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322297078] [2020-09-04 15:56:07,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 15:56:07,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:07,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 15:56:07,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 15:56:07,687 INFO L87 Difference]: Start difference. First operand 274 states and 297 transitions. Second operand 11 states. [2020-09-04 15:56:08,270 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:56:08,689 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:56:09,018 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:56:09,347 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:09,680 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:56:09,993 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:11,280 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:13,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:13,883 INFO L93 Difference]: Finished difference Result 759 states and 884 transitions. [2020-09-04 15:56:13,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 15:56:13,883 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-09-04 15:56:13,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:13,889 INFO L225 Difference]: With dead ends: 759 [2020-09-04 15:56:13,889 INFO L226 Difference]: Without dead ends: 600 [2020-09-04 15:56:13,891 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-09-04 15:56:13,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2020-09-04 15:56:14,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 501. [2020-09-04 15:56:14,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 501 states. [2020-09-04 15:56:14,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 563 transitions. [2020-09-04 15:56:14,082 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 563 transitions. Word has length 174 [2020-09-04 15:56:14,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:14,083 INFO L479 AbstractCegarLoop]: Abstraction has 501 states and 563 transitions. [2020-09-04 15:56:14,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 15:56:14,083 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 563 transitions. [2020-09-04 15:56:14,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-04 15:56:14,111 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:14,111 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 15:56:14,112 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 15:56:14,112 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:14,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:14,112 INFO L82 PathProgramCache]: Analyzing trace with hash 389507512, now seen corresponding path program 1 times [2020-09-04 15:56:14,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:14,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1639164162] [2020-09-04 15:56:14,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:14,116 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:14,547 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:14,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:14,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:14,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:14,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:14,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:14,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:14,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-04 15:56:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:14,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 15:56:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:14,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:14,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-04 15:56:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:14,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-04 15:56:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:14,814 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 15:56:14,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1639164162] [2020-09-04 15:56:14,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:14,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 15:56:14,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142678810] [2020-09-04 15:56:14,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 15:56:14,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:14,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 15:56:14,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 15:56:14,818 INFO L87 Difference]: Start difference. First operand 501 states and 563 transitions. Second operand 10 states. [2020-09-04 15:56:15,449 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:56:16,379 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:16,700 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:56:17,883 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:56:18,215 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:18,599 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:18,915 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:19,284 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:56:19,601 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:20,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:20,659 INFO L93 Difference]: Finished difference Result 1152 states and 1383 transitions. [2020-09-04 15:56:20,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 15:56:20,660 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-04 15:56:20,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:20,667 INFO L225 Difference]: With dead ends: 1152 [2020-09-04 15:56:20,667 INFO L226 Difference]: Without dead ends: 766 [2020-09-04 15:56:20,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-04 15:56:20,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2020-09-04 15:56:20,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 673. [2020-09-04 15:56:20,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2020-09-04 15:56:20,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 759 transitions. [2020-09-04 15:56:20,864 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 759 transitions. Word has length 179 [2020-09-04 15:56:20,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:20,864 INFO L479 AbstractCegarLoop]: Abstraction has 673 states and 759 transitions. [2020-09-04 15:56:20,865 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 15:56:20,865 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 759 transitions. [2020-09-04 15:56:20,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-04 15:56:20,868 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:20,868 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] [2020-09-04 15:56:20,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 15:56:20,869 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:20,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:20,869 INFO L82 PathProgramCache]: Analyzing trace with hash 2085074320, now seen corresponding path program 1 times [2020-09-04 15:56:20,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:20,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1529191986] [2020-09-04 15:56:20,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:20,872 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,227 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:21,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:56:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:56:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:56:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:56:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:56:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-04 15:56:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-04 15:56:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:21,565 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 15:56:21,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1529191986] [2020-09-04 15:56:21,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:21,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 15:56:21,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71240119] [2020-09-04 15:56:21,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 15:56:21,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:21,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 15:56:21,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 15:56:21,569 INFO L87 Difference]: Start difference. First operand 673 states and 759 transitions. Second operand 11 states. [2020-09-04 15:56:23,192 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:23,543 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:56:23,880 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:56:24,207 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:24,531 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:56:24,831 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:26,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:26,078 INFO L93 Difference]: Finished difference Result 1439 states and 1727 transitions. [2020-09-04 15:56:26,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 15:56:26,079 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 212 [2020-09-04 15:56:26,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:26,088 INFO L225 Difference]: With dead ends: 1439 [2020-09-04 15:56:26,088 INFO L226 Difference]: Without dead ends: 881 [2020-09-04 15:56:26,091 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-04 15:56:26,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2020-09-04 15:56:26,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 692. [2020-09-04 15:56:26,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 692 states. [2020-09-04 15:56:26,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 779 transitions. [2020-09-04 15:56:26,368 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 779 transitions. Word has length 212 [2020-09-04 15:56:26,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:26,368 INFO L479 AbstractCegarLoop]: Abstraction has 692 states and 779 transitions. [2020-09-04 15:56:26,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 15:56:26,368 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 779 transitions. [2020-09-04 15:56:26,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-04 15:56:26,371 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:26,371 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] [2020-09-04 15:56:26,371 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 15:56:26,371 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:26,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:26,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1959869936, now seen corresponding path program 1 times [2020-09-04 15:56:26,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:26,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1901138917] [2020-09-04 15:56:26,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:26,375 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,749 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:26,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:56:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:56:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:56:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:56:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:56:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-04 15:56:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-04 15:56:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:27,024 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 15:56:27,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1901138917] [2020-09-04 15:56:27,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:27,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 15:56:27,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809561369] [2020-09-04 15:56:27,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 15:56:27,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:27,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 15:56:27,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-09-04 15:56:27,029 INFO L87 Difference]: Start difference. First operand 692 states and 779 transitions. Second operand 14 states. [2020-09-04 15:56:27,595 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:27,876 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:56:28,189 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:28,500 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:56:28,790 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:30,076 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:30,415 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:56:30,772 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:31,118 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:56:31,440 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:33,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:33,196 INFO L93 Difference]: Finished difference Result 1480 states and 1794 transitions. [2020-09-04 15:56:33,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 15:56:33,196 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 212 [2020-09-04 15:56:33,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:33,202 INFO L225 Difference]: With dead ends: 1480 [2020-09-04 15:56:33,202 INFO L226 Difference]: Without dead ends: 903 [2020-09-04 15:56:33,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-09-04 15:56:33,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2020-09-04 15:56:33,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 704. [2020-09-04 15:56:33,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 704 states. [2020-09-04 15:56:33,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 791 transitions. [2020-09-04 15:56:33,513 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 791 transitions. Word has length 212 [2020-09-04 15:56:33,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:33,513 INFO L479 AbstractCegarLoop]: Abstraction has 704 states and 791 transitions. [2020-09-04 15:56:33,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 15:56:33,514 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 791 transitions. [2020-09-04 15:56:33,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-04 15:56:33,516 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:33,516 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] [2020-09-04 15:56:33,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 15:56:33,516 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:33,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:33,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1644603219, now seen corresponding path program 1 times [2020-09-04 15:56:33,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:33,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2066430081] [2020-09-04 15:56:33,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:33,520 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:33,886 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:33,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:33,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:33,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:33,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:33,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:34,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:34,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:56:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:34,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:56:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:34,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:34,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:56:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:34,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:34,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:34,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:56:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:34,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:56:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:34,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-04 15:56:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:34,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-04 15:56:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:34,171 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 15:56:34,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2066430081] [2020-09-04 15:56:34,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:34,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 15:56:34,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433494776] [2020-09-04 15:56:34,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 15:56:34,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:34,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 15:56:34,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 15:56:34,174 INFO L87 Difference]: Start difference. First operand 704 states and 791 transitions. Second operand 8 states. [2020-09-04 15:56:34,729 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:56:35,421 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:56:38,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:38,635 INFO L93 Difference]: Finished difference Result 2249 states and 2754 transitions. [2020-09-04 15:56:38,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-04 15:56:38,635 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 212 [2020-09-04 15:56:38,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:38,646 INFO L225 Difference]: With dead ends: 2249 [2020-09-04 15:56:38,646 INFO L226 Difference]: Without dead ends: 1660 [2020-09-04 15:56:38,649 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 44 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2020-09-04 15:56:38,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1660 states. [2020-09-04 15:56:39,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1660 to 1392. [2020-09-04 15:56:39,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1392 states. [2020-09-04 15:56:39,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1588 transitions. [2020-09-04 15:56:39,066 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1588 transitions. Word has length 212 [2020-09-04 15:56:39,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:39,066 INFO L479 AbstractCegarLoop]: Abstraction has 1392 states and 1588 transitions. [2020-09-04 15:56:39,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 15:56:39,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1588 transitions. [2020-09-04 15:56:39,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-04 15:56:39,069 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:39,070 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:56:39,070 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 15:56:39,070 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:39,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:39,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1219512252, now seen corresponding path program 1 times [2020-09-04 15:56:39,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:39,071 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [155027605] [2020-09-04 15:56:39,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:39,074 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:39,468 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:39,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:39,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:39,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:39,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:39,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:39,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:39,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:56:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:39,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:56:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:39,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 15:56:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:39,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:39,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-04 15:56:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:39,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:39,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:39,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:56:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:39,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:56:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:39,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-04 15:56:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:39,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-04 15:56:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:39,757 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 15:56:39,758 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [155027605] [2020-09-04 15:56:39,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:39,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-04 15:56:39,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660954990] [2020-09-04 15:56:39,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 15:56:39,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:39,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 15:56:39,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-09-04 15:56:39,760 INFO L87 Difference]: Start difference. First operand 1392 states and 1588 transitions. Second operand 15 states. [2020-09-04 15:56:40,659 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 15:56:41,594 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:56:43,082 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-04 15:56:43,731 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 15:56:44,137 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:44,472 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:56:45,125 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-04 15:56:45,437 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:45,821 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:56:46,159 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:50,022 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 15:56:50,917 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:56:51,219 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:51,540 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:52,999 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-04 15:56:53,594 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-04 15:56:54,217 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 15:56:55,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:55,259 INFO L93 Difference]: Finished difference Result 4271 states and 5246 transitions. [2020-09-04 15:56:55,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-09-04 15:56:55,260 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 217 [2020-09-04 15:56:55,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:55,279 INFO L225 Difference]: With dead ends: 4271 [2020-09-04 15:56:55,279 INFO L226 Difference]: Without dead ends: 3275 [2020-09-04 15:56:55,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1272 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=816, Invalid=3216, Unknown=0, NotChecked=0, Total=4032 [2020-09-04 15:56:55,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3275 states. [2020-09-04 15:56:56,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3275 to 2565. [2020-09-04 15:56:56,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2565 states. [2020-09-04 15:56:56,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 2907 transitions. [2020-09-04 15:56:56,135 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 2907 transitions. Word has length 217 [2020-09-04 15:56:56,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:56,136 INFO L479 AbstractCegarLoop]: Abstraction has 2565 states and 2907 transitions. [2020-09-04 15:56:56,136 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 15:56:56,136 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 2907 transitions. [2020-09-04 15:56:56,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-09-04 15:56:56,145 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:56,146 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:56:56,146 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 15:56:56,146 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:56,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:56,147 INFO L82 PathProgramCache]: Analyzing trace with hash -173153842, now seen corresponding path program 1 times [2020-09-04 15:56:56,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:56,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [606942805] [2020-09-04 15:56:56,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:56,186 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,639 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:56,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:56:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:56:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:56:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:56:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:56:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:56:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 15:56:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 15:56:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-04 15:56:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 15:56:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-09-04 15:56:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:56:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:56:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2020-09-04 15:56:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-09-04 15:56:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,317 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 15:56:57,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [606942805] [2020-09-04 15:56:57,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:57,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 15:56:57,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693725982] [2020-09-04 15:56:57,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 15:56:57,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:57,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 15:56:57,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-09-04 15:56:57,321 INFO L87 Difference]: Start difference. First operand 2565 states and 2907 transitions. Second operand 19 states. [2020-09-04 15:56:58,056 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:56:58,494 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:56:58,782 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 15:56:59,176 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:56:59,517 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:56:59,842 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:57:01,059 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 15:57:01,560 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:57:01,981 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:57:02,335 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:02,824 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:57:03,303 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-09-04 15:57:03,710 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:57:05,650 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:57:07,513 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:57:08,153 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 15:57:08,862 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 15:57:09,336 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:10,273 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:57:10,969 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 15:57:11,367 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 15:57:12,190 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-04 15:57:12,883 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-09-04 15:57:13,979 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-09-04 15:57:14,589 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:57:15,303 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-04 15:57:17,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:57:17,210 INFO L93 Difference]: Finished difference Result 5826 states and 6882 transitions. [2020-09-04 15:57:17,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-09-04 15:57:17,210 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 308 [2020-09-04 15:57:17,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:57:17,229 INFO L225 Difference]: With dead ends: 5826 [2020-09-04 15:57:17,229 INFO L226 Difference]: Without dead ends: 3642 [2020-09-04 15:57:17,240 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2483 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=1506, Invalid=6504, Unknown=0, NotChecked=0, Total=8010 [2020-09-04 15:57:17,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3642 states. [2020-09-04 15:57:18,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3642 to 2991. [2020-09-04 15:57:18,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2991 states. [2020-09-04 15:57:18,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2991 states to 2991 states and 3336 transitions. [2020-09-04 15:57:18,665 INFO L78 Accepts]: Start accepts. Automaton has 2991 states and 3336 transitions. Word has length 308 [2020-09-04 15:57:18,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:57:18,666 INFO L479 AbstractCegarLoop]: Abstraction has 2991 states and 3336 transitions. [2020-09-04 15:57:18,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 15:57:18,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2991 states and 3336 transitions. [2020-09-04 15:57:18,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2020-09-04 15:57:18,676 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:57:18,676 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:57:18,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 15:57:18,677 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:57:18,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:57:18,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1763340317, now seen corresponding path program 1 times [2020-09-04 15:57:18,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:57:18,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [135914325] [2020-09-04 15:57:18,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:57:18,700 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:57:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,093 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:57:19,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:57:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:57:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:57:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:57:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:57:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:57:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:57:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:57:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:57:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:57:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 15:57:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 15:57:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 15:57:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:57:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:57:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:57:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 15:57:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2020-09-04 15:57:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-09-04 15:57:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:57:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:57:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:57:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 15:57:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2020-09-04 15:57:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-09-04 15:57:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2020-09-04 15:57:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2020-09-04 15:57:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:57:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2020-09-04 15:57:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2020-09-04 15:57:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:19,820 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 15:57:19,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [135914325] [2020-09-04 15:57:19,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:57:19,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-04 15:57:19,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189080297] [2020-09-04 15:57:19,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 15:57:19,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:57:19,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 15:57:19,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-09-04 15:57:19,823 INFO L87 Difference]: Start difference. First operand 2991 states and 3336 transitions. Second operand 17 states. [2020-09-04 15:57:21,932 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:57:22,272 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:22,617 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:22,962 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:57:23,290 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:23,687 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:57:25,426 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:25,786 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:57:30,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:57:30,717 INFO L93 Difference]: Finished difference Result 8552 states and 10067 transitions. [2020-09-04 15:57:30,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-09-04 15:57:30,722 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 487 [2020-09-04 15:57:30,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:57:30,753 INFO L225 Difference]: With dead ends: 8552 [2020-09-04 15:57:30,753 INFO L226 Difference]: Without dead ends: 5161 [2020-09-04 15:57:30,763 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 116 SyntacticMatches, 6 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=521, Invalid=1831, Unknown=0, NotChecked=0, Total=2352 [2020-09-04 15:57:30,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5161 states. [2020-09-04 15:57:32,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5161 to 4044. [2020-09-04 15:57:32,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4044 states. [2020-09-04 15:57:32,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4044 states to 4044 states and 4593 transitions. [2020-09-04 15:57:32,121 INFO L78 Accepts]: Start accepts. Automaton has 4044 states and 4593 transitions. Word has length 487 [2020-09-04 15:57:32,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:57:32,125 INFO L479 AbstractCegarLoop]: Abstraction has 4044 states and 4593 transitions. [2020-09-04 15:57:32,125 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 15:57:32,126 INFO L276 IsEmpty]: Start isEmpty. Operand 4044 states and 4593 transitions. [2020-09-04 15:57:32,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2020-09-04 15:57:32,138 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:57:32,138 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:32,138 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 15:57:32,138 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:57:32,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:57:32,139 INFO L82 PathProgramCache]: Analyzing trace with hash 167301394, now seen corresponding path program 1 times [2020-09-04 15:57:32,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:57:32,139 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1033486605] [2020-09-04 15:57:32,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:57:32,165 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:57:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,539 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:57:32,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:57:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:57:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:57:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:57:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:57:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:57:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:57:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:57:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:57:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:57:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 15:57:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 15:57:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 15:57:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:57:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:57:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:57:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 15:57:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:57:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2020-09-04 15:57:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2020-09-04 15:57:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:57:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:57:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:57:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 15:57:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2020-09-04 15:57:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-09-04 15:57:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2020-09-04 15:57:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:57:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-09-04 15:57:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:32,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2020-09-04 15:57:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:33,100 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 15:57:33,101 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1033486605] [2020-09-04 15:57:33,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:57:33,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 15:57:33,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137657177] [2020-09-04 15:57:33,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 15:57:33,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:57:33,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 15:57:33,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-09-04 15:57:33,103 INFO L87 Difference]: Start difference. First operand 4044 states and 4593 transitions. Second operand 19 states. [2020-09-04 15:57:33,760 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:57:34,267 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:34,604 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:57:34,938 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:35,264 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:57:35,578 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:36,811 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:57:37,160 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:38,671 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:57:39,153 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:57:39,521 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:39,906 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:57:41,206 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:57:41,534 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:42,815 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:57:43,180 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:43,499 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:57:45,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:57:45,868 INFO L93 Difference]: Finished difference Result 8172 states and 9556 transitions. [2020-09-04 15:57:45,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-09-04 15:57:45,870 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 493 [2020-09-04 15:57:45,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:57:45,893 INFO L225 Difference]: With dead ends: 8172 [2020-09-04 15:57:45,894 INFO L226 Difference]: Without dead ends: 4545 [2020-09-04 15:57:45,905 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 845 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=684, Invalid=2738, Unknown=0, NotChecked=0, Total=3422 [2020-09-04 15:57:45,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4545 states. [2020-09-04 15:57:47,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4545 to 3945. [2020-09-04 15:57:47,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3945 states. [2020-09-04 15:57:47,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3945 states to 3945 states and 4452 transitions. [2020-09-04 15:57:47,583 INFO L78 Accepts]: Start accepts. Automaton has 3945 states and 4452 transitions. Word has length 493 [2020-09-04 15:57:47,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:57:47,584 INFO L479 AbstractCegarLoop]: Abstraction has 3945 states and 4452 transitions. [2020-09-04 15:57:47,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 15:57:47,584 INFO L276 IsEmpty]: Start isEmpty. Operand 3945 states and 4452 transitions. [2020-09-04 15:57:47,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2020-09-04 15:57:47,596 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:57:47,596 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:47,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 15:57:47,596 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:57:47,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:57:47,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1124491360, now seen corresponding path program 1 times [2020-09-04 15:57:47,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:57:47,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1634444538] [2020-09-04 15:57:47,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:57:47,618 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:57:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:47,974 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:57:47,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:57:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:57:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:57:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:57:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:57:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:57:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:57:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:57:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:57:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:57:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 15:57:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 15:57:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 15:57:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:57:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:57:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:57:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 15:57:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:57:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-04 15:57:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-04 15:57:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:57:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:57:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:57:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 15:57:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2020-09-04 15:57:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-09-04 15:57:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2020-09-04 15:57:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2020-09-04 15:57:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:57:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2020-09-04 15:57:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2020-09-04 15:57:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:48,364 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 15:57:48,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1634444538] [2020-09-04 15:57:48,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:57:48,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-04 15:57:48,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501940322] [2020-09-04 15:57:48,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 15:57:48,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:57:48,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 15:57:48,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-09-04 15:57:48,366 INFO L87 Difference]: Start difference. First operand 3945 states and 4452 transitions. Second operand 13 states. [2020-09-04 15:57:51,187 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:57:51,494 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:51,814 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:57:52,132 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:57:52,459 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:52,758 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:57:54,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:57:54,314 INFO L93 Difference]: Finished difference Result 8097 states and 9414 transitions. [2020-09-04 15:57:54,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-04 15:57:54,315 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 498 [2020-09-04 15:57:54,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:57:54,336 INFO L225 Difference]: With dead ends: 8097 [2020-09-04 15:57:54,337 INFO L226 Difference]: Without dead ends: 4569 [2020-09-04 15:57:54,346 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=217, Invalid=539, Unknown=0, NotChecked=0, Total=756 [2020-09-04 15:57:54,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4569 states. [2020-09-04 15:57:55,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4569 to 3993. [2020-09-04 15:57:55,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3993 states. [2020-09-04 15:57:55,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3993 states to 3993 states and 4500 transitions. [2020-09-04 15:57:55,586 INFO L78 Accepts]: Start accepts. Automaton has 3993 states and 4500 transitions. Word has length 498 [2020-09-04 15:57:55,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:57:55,587 INFO L479 AbstractCegarLoop]: Abstraction has 3993 states and 4500 transitions. [2020-09-04 15:57:55,587 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 15:57:55,587 INFO L276 IsEmpty]: Start isEmpty. Operand 3993 states and 4500 transitions. [2020-09-04 15:57:55,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2020-09-04 15:57:55,598 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:57:55,598 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:55,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 15:57:55,599 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:57:55,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:57:55,599 INFO L82 PathProgramCache]: Analyzing trace with hash -857968640, now seen corresponding path program 1 times [2020-09-04 15:57:55,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:57:55,600 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1503128691] [2020-09-04 15:57:55,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:57:55,632 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:57:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,042 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:57:56,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:57:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:57:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:57:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:57:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:57:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:57:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:57:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:57:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:57:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:57:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 15:57:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 15:57:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 15:57:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:57:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:57:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:57:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 15:57:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:57:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-04 15:57:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-04 15:57:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:57:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:57:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:57:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 15:57:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2020-09-04 15:57:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-09-04 15:57:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2020-09-04 15:57:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2020-09-04 15:57:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:57:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2020-09-04 15:57:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2020-09-04 15:57:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,887 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 15:57:56,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1503128691] [2020-09-04 15:57:56,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:57:56,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 15:57:56,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034057647] [2020-09-04 15:57:56,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 15:57:56,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:57:56,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 15:57:56,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-09-04 15:57:56,890 INFO L87 Difference]: Start difference. First operand 3993 states and 4500 transitions. Second operand 19 states. [2020-09-04 15:57:57,562 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:57:58,567 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:57:59,829 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:58:00,198 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:58:00,868 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 15:58:01,226 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:58:01,858 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 15:58:02,196 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:58:02,829 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 15:58:06,500 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:58:06,824 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:58:07,151 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:58:07,473 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:58:07,786 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:58:10,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:58:10,357 INFO L93 Difference]: Finished difference Result 8593 states and 10192 transitions. [2020-09-04 15:58:10,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-09-04 15:58:10,358 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 498 [2020-09-04 15:58:10,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:58:10,384 INFO L225 Difference]: With dead ends: 8593 [2020-09-04 15:58:10,384 INFO L226 Difference]: Without dead ends: 6150 [2020-09-04 15:58:10,396 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 128 SyntacticMatches, 8 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1308 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=763, Invalid=3527, Unknown=0, NotChecked=0, Total=4290 [2020-09-04 15:58:10,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6150 states. [2020-09-04 15:58:12,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6150 to 5271. [2020-09-04 15:58:12,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5271 states. [2020-09-04 15:58:12,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5271 states to 5271 states and 5924 transitions. [2020-09-04 15:58:12,103 INFO L78 Accepts]: Start accepts. Automaton has 5271 states and 5924 transitions. Word has length 498 [2020-09-04 15:58:12,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:58:12,104 INFO L479 AbstractCegarLoop]: Abstraction has 5271 states and 5924 transitions. [2020-09-04 15:58:12,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 15:58:12,105 INFO L276 IsEmpty]: Start isEmpty. Operand 5271 states and 5924 transitions. [2020-09-04 15:58:12,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2020-09-04 15:58:12,115 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:58:12,116 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:58:12,116 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 15:58:12,116 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:58:12,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:58:12,117 INFO L82 PathProgramCache]: Analyzing trace with hash 132482183, now seen corresponding path program 1 times [2020-09-04 15:58:12,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:58:12,117 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1283094588] [2020-09-04 15:58:12,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:58:12,131 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:58:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,506 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:58:12,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:58:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:58:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:58:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:58:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:58:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:58:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:58:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:58:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:58:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:58:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:58:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 15:58:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 15:58:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 15:58:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:58:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:58:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:58:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:58:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 15:58:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:58:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-04 15:58:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-04 15:58:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:58:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:13,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:58:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:13,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:13,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:58:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:13,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:58:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:13,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 15:58:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:13,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:13,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:58:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:13,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2020-09-04 15:58:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:13,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-09-04 15:58:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:13,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-09-04 15:58:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:13,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:13,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-09-04 15:58:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:13,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:13,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:13,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:58:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:13,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:58:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:13,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2020-09-04 15:58:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:13,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2020-09-04 15:58:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:13,468 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 15:58:13,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1283094588] [2020-09-04 15:58:13,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:58:13,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-09-04 15:58:13,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215184392] [2020-09-04 15:58:13,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-09-04 15:58:13,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:58:13,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-09-04 15:58:13,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2020-09-04 15:58:13,470 INFO L87 Difference]: Start difference. First operand 5271 states and 5924 transitions. Second operand 24 states. [2020-09-04 15:58:14,426 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-09-04 15:58:15,992 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-04 15:58:17,934 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-04 15:58:18,629 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2020-09-04 15:58:19,345 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-04 15:58:20,016 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-04 15:58:20,692 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-04 15:58:21,321 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-04 15:58:21,984 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-04 15:58:24,765 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-09-04 15:58:25,422 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 195 [2020-09-04 15:58:27,376 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:58:27,739 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 15:58:28,102 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:58:28,449 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:58:28,778 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:58:29,099 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:58:30,068 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 15:58:30,860 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 15:58:31,518 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-09-04 15:58:32,217 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 197 [2020-09-04 15:58:32,554 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:58:32,873 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:58:33,612 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 202 [2020-09-04 15:58:34,277 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 197 [2020-09-04 15:58:34,644 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:58:35,051 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 15:58:35,534 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:58:36,510 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-04 15:58:39,376 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 15:58:40,057 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-04 15:58:40,740 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-04 15:58:41,448 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 196 [2020-09-04 15:58:42,105 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-04 15:58:46,648 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:58:47,099 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:58:47,580 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 15:58:48,090 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 15:58:48,550 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 15:58:51,831 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-04 15:58:52,470 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-04 15:58:55,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:58:55,704 INFO L93 Difference]: Finished difference Result 15243 states and 19023 transitions. [2020-09-04 15:58:55,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2020-09-04 15:58:55,706 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 508 [2020-09-04 15:58:55,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:58:55,755 INFO L225 Difference]: With dead ends: 15243 [2020-09-04 15:58:55,756 INFO L226 Difference]: Without dead ends: 11480 [2020-09-04 15:58:55,773 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 156 SyntacticMatches, 4 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5797 ImplicationChecksByTransitivity, 24.7s TimeCoverageRelationStatistics Valid=2580, Invalid=13422, Unknown=0, NotChecked=0, Total=16002 [2020-09-04 15:58:55,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11480 states. [2020-09-04 15:58:59,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11480 to 7888. [2020-09-04 15:58:59,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7888 states. [2020-09-04 15:58:59,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7888 states to 7888 states and 9075 transitions. [2020-09-04 15:58:59,629 INFO L78 Accepts]: Start accepts. Automaton has 7888 states and 9075 transitions. Word has length 508 [2020-09-04 15:58:59,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:58:59,630 INFO L479 AbstractCegarLoop]: Abstraction has 7888 states and 9075 transitions. [2020-09-04 15:58:59,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-09-04 15:58:59,631 INFO L276 IsEmpty]: Start isEmpty. Operand 7888 states and 9075 transitions. [2020-09-04 15:58:59,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2020-09-04 15:58:59,644 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:58:59,645 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 15:58:59,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-04 15:58:59,645 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:58:59,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:58:59,645 INFO L82 PathProgramCache]: Analyzing trace with hash 767400583, now seen corresponding path program 1 times [2020-09-04 15:58:59,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:58:59,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1011747168] [2020-09-04 15:58:59,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:58:59,660 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:58:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,021 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:59:00,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:59:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:59:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:59:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:59:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:59:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:59:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:59:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:59:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:59:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:59:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 15:59:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 15:59:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 15:59:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:59:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:59:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:59:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 15:59:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:59:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-04 15:59:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-04 15:59:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:59:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:59:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:59:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 15:59:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:59:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-09-04 15:59:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2020-09-04 15:59:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:59:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-09-04 15:59:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-09-04 15:59:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:59:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2020-09-04 15:59:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-09-04 15:59:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,502 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 15:59:00,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1011747168] [2020-09-04 15:59:00,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:59:00,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 15:59:00,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836388415] [2020-09-04 15:59:00,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 15:59:00,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:59:00,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 15:59:00,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-09-04 15:59:00,503 INFO L87 Difference]: Start difference. First operand 7888 states and 9075 transitions. Second operand 10 states. [2020-09-04 15:59:01,704 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:59:05,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:59:05,496 INFO L93 Difference]: Finished difference Result 13669 states and 16116 transitions. [2020-09-04 15:59:05,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-04 15:59:05,497 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 522 [2020-09-04 15:59:05,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:59:05,515 INFO L225 Difference]: With dead ends: 13669 [2020-09-04 15:59:05,515 INFO L226 Difference]: Without dead ends: 5932 [2020-09-04 15:59:05,534 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=191, Invalid=459, Unknown=0, NotChecked=0, Total=650 [2020-09-04 15:59:05,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5932 states. [2020-09-04 15:59:07,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5932 to 4803. [2020-09-04 15:59:07,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4803 states. [2020-09-04 15:59:07,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4803 states to 4803 states and 5426 transitions. [2020-09-04 15:59:07,199 INFO L78 Accepts]: Start accepts. Automaton has 4803 states and 5426 transitions. Word has length 522 [2020-09-04 15:59:07,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:59:07,199 INFO L479 AbstractCegarLoop]: Abstraction has 4803 states and 5426 transitions. [2020-09-04 15:59:07,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 15:59:07,200 INFO L276 IsEmpty]: Start isEmpty. Operand 4803 states and 5426 transitions. [2020-09-04 15:59:07,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2020-09-04 15:59:07,207 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:59:07,208 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:59:07,208 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-04 15:59:07,208 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:59:07,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:59:07,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1396703404, now seen corresponding path program 2 times [2020-09-04 15:59:07,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:59:07,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1668430106] [2020-09-04 15:59:07,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:59:07,228 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:59:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:07,688 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:59:07,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:07,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:59:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:07,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:59:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:07,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:59:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:07,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:59:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:07,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:59:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:07,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:59:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:07,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:59:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:07,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:59:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:07,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:07,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:07,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:59:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:07,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:07,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:07,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:07,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:59:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:07,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 15:59:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:07,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:07,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 15:59:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:07,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 15:59:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:59:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:59:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:59:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 15:59:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:59:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-04 15:59:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-04 15:59:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:59:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:59:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:59:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 15:59:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:59:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-09-04 15:59:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-09-04 15:59:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2020-09-04 15:59:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:59:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:59:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:59:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 15:59:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:59:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-09-04 15:59:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2020-09-04 15:59:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2020-09-04 15:59:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2020-09-04 15:59:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:59:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2020-09-04 15:59:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2020-09-04 15:59:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,510 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-04 15:59:08,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1668430106] [2020-09-04 15:59:08,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:59:08,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-04 15:59:08,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025867802] [2020-09-04 15:59:08,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 15:59:08,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:59:08,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 15:59:08,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2020-09-04 15:59:08,512 INFO L87 Difference]: Start difference. First operand 4803 states and 5426 transitions. Second operand 17 states. [2020-09-04 15:59:09,173 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:59:11,061 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:59:11,421 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:59:12,087 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 15:59:12,433 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:59:13,085 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-04 15:59:13,421 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:59:14,051 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 15:59:14,355 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:59:14,729 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:59:15,143 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 15:59:15,512 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:59:16,105 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 15:59:17,360 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:59:17,719 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:59:18,506 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 15:59:19,193 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 196 [2020-09-04 15:59:19,833 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 15:59:20,871 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 15:59:21,542 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-09-04 15:59:24,908 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:59:25,810 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:59:26,161 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:59:26,792 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:59:27,453 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 15:59:28,069 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:59:33,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:59:33,014 INFO L93 Difference]: Finished difference Result 12888 states and 15314 transitions. [2020-09-04 15:59:33,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2020-09-04 15:59:33,015 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 614 [2020-09-04 15:59:33,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:59:33,039 INFO L225 Difference]: With dead ends: 12888 [2020-09-04 15:59:33,039 INFO L226 Difference]: Without dead ends: 8098 [2020-09-04 15:59:33,053 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 157 SyntacticMatches, 6 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2605 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=1307, Invalid=6525, Unknown=0, NotChecked=0, Total=7832 [2020-09-04 15:59:33,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8098 states. [2020-09-04 15:59:35,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8098 to 6216. [2020-09-04 15:59:35,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6216 states. [2020-09-04 15:59:35,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6216 states to 6216 states and 6954 transitions. [2020-09-04 15:59:35,612 INFO L78 Accepts]: Start accepts. Automaton has 6216 states and 6954 transitions. Word has length 614 [2020-09-04 15:59:35,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:59:35,613 INFO L479 AbstractCegarLoop]: Abstraction has 6216 states and 6954 transitions. [2020-09-04 15:59:35,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 15:59:35,613 INFO L276 IsEmpty]: Start isEmpty. Operand 6216 states and 6954 transitions. [2020-09-04 15:59:35,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2020-09-04 15:59:35,622 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:59:35,623 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:59:35,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-04 15:59:35,623 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:59:35,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:59:35,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1074030899, now seen corresponding path program 1 times [2020-09-04 15:59:35,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:59:35,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1663081911] [2020-09-04 15:59:35,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:59:35,640 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:59:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,084 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:59:36,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:59:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:59:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:59:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:59:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:59:36,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:59:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:59:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:59:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:59:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:59:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 15:59:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 15:59:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 15:59:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:36,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:59:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:59:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:59:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 15:59:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:59:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-04 15:59:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-04 15:59:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:59:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:59:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:59:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 15:59:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:59:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-09-04 15:59:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-09-04 15:59:36,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:59:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-09-04 15:59:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:59:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:59:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2020-09-04 15:59:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2020-09-04 15:59:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-09-04 15:59:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2020-09-04 15:59:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:59:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2020-09-04 15:59:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2020-09-04 15:59:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:36,783 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 15:59:36,784 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1663081911] [2020-09-04 15:59:36,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:59:36,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-09-04 15:59:36,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826211971] [2020-09-04 15:59:36,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 15:59:36,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:59:36,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 15:59:36,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2020-09-04 15:59:36,785 INFO L87 Difference]: Start difference. First operand 6216 states and 6954 transitions. Second operand 18 states. [2020-09-04 15:59:37,896 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:59:39,270 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:59:42,520 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:59:42,871 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 15:59:43,209 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:59:43,545 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:59:43,860 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:59:44,438 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 15:59:48,223 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:59:48,593 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 15:59:48,952 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:59:49,303 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:59:49,631 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:59:51,522 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-04 15:59:52,349 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-04 15:59:54,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:59:54,720 INFO L93 Difference]: Finished difference Result 14941 states and 17397 transitions. [2020-09-04 15:59:54,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-09-04 15:59:54,721 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 588 [2020-09-04 15:59:54,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:59:54,754 INFO L225 Difference]: With dead ends: 14941 [2020-09-04 15:59:54,754 INFO L226 Difference]: Without dead ends: 8757 [2020-09-04 15:59:54,773 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 147 SyntacticMatches, 7 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1612 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=1224, Invalid=4326, Unknown=0, NotChecked=0, Total=5550 [2020-09-04 15:59:54,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8757 states. [2020-09-04 15:59:57,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8757 to 5884. [2020-09-04 15:59:57,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5884 states. [2020-09-04 15:59:57,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5884 states to 5884 states and 6476 transitions. [2020-09-04 15:59:57,219 INFO L78 Accepts]: Start accepts. Automaton has 5884 states and 6476 transitions. Word has length 588 [2020-09-04 15:59:57,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:59:57,220 INFO L479 AbstractCegarLoop]: Abstraction has 5884 states and 6476 transitions. [2020-09-04 15:59:57,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 15:59:57,220 INFO L276 IsEmpty]: Start isEmpty. Operand 5884 states and 6476 transitions. [2020-09-04 15:59:57,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2020-09-04 15:59:57,230 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:59:57,230 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:59:57,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-04 15:59:57,230 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:59:57,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:59:57,231 INFO L82 PathProgramCache]: Analyzing trace with hash 331704109, now seen corresponding path program 1 times [2020-09-04 15:59:57,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:59:57,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [899745886] [2020-09-04 15:59:57,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:59:57,241 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:59:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,651 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:59:57,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:59:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:59:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:59:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:59:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:59:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:59:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:59:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:59:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:59:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:59:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 15:59:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 15:59:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 15:59:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:59:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:59:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:59:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 15:59:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:59:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-04 15:59:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-04 15:59:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:59:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:59:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:59:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 15:59:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:59:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-09-04 15:59:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:58,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-09-04 15:59:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:58,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:59:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:58,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-09-04 15:59:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:58,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:58,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:58,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:59:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:58,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:58,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:59:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:58,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2020-09-04 15:59:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:58,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2020-09-04 15:59:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:58,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-09-04 15:59:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:58,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:58,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2020-09-04 15:59:58,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:58,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:58,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:58,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:58,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:59:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:58,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2020-09-04 15:59:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:58,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2020-09-04 15:59:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:58,856 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 15:59:58,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [899745886] [2020-09-04 15:59:58,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:59:58,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-09-04 15:59:58,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387887895] [2020-09-04 15:59:58,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 15:59:58,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:59:58,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 15:59:58,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-09-04 15:59:58,858 INFO L87 Difference]: Start difference. First operand 5884 states and 6476 transitions. Second operand 18 states. [2020-09-04 15:59:59,584 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:59:59,912 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 16:00:00,237 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 16:00:00,560 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 16:00:00,870 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 16:00:04,131 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 16:00:04,446 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 16:00:04,772 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 16:00:05,099 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 16:00:05,434 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 16:00:05,741 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 16:00:06,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:00:06,497 INFO L93 Difference]: Finished difference Result 6834 states and 7577 transitions. [2020-09-04 16:00:06,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-04 16:00:06,498 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 588 [2020-09-04 16:00:06,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:00:06,500 INFO L225 Difference]: With dead ends: 6834 [2020-09-04 16:00:06,500 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 16:00:06,513 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=331, Invalid=1075, Unknown=0, NotChecked=0, Total=1406 [2020-09-04 16:00:06,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 16:00:06,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 16:00:06,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 16:00:06,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 16:00:06,514 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 588 [2020-09-04 16:00:06,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:00:06,515 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 16:00:06,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 16:00:06,515 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 16:00:06,515 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 16:00:06,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-04 16:00:06,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 16:00:06,970 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:00:07,615 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 16:00:08,426 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:00:08,792 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:09,163 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:09,734 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 16:00:10,302 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:00:10,680 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:11,047 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:11,395 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:00:11,746 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:12,096 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:00:12,454 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:14,786 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 233 [2020-09-04 16:00:15,137 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:15,489 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:16,370 WARN L193 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 231 [2020-09-04 16:00:17,239 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 231 [2020-09-04 16:00:17,607 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:17,967 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:18,835 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 232 [2020-09-04 16:00:19,701 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 232 [2020-09-04 16:00:20,080 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:00:21,377 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 246 DAG size of output: 234 [2020-09-04 16:00:22,634 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 246 DAG size of output: 234 [2020-09-04 16:00:23,365 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 233 [2020-09-04 16:00:24,723 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 16:00:25,146 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:00:25,498 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:00:25,853 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:00:26,213 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:00:26,565 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:00:26,917 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:27,269 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:27,620 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:00:28,693 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 245 DAG size of output: 228 [2020-09-04 16:00:29,746 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 245 DAG size of output: 228 [2020-09-04 16:00:30,098 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:30,451 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:30,812 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:31,164 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:00:31,521 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:31,872 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:32,232 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:33,140 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:00:33,496 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 225 [2020-09-04 16:00:33,858 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:34,216 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:34,576 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:34,925 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:35,274 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:35,632 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:35,978 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:00:36,923 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 224 [2020-09-04 16:00:37,281 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:00:37,643 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:00:38,002 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:38,364 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:38,713 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:39,061 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:39,426 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:39,784 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:40,139 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:00:41,218 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 245 DAG size of output: 228 [2020-09-04 16:00:42,271 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 245 DAG size of output: 228 [2020-09-04 16:00:43,005 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 226 [2020-09-04 16:00:43,740 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 226 [2020-09-04 16:00:44,102 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:44,999 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:00:45,891 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:00:46,241 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:46,590 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:00:46,957 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:47,309 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:47,662 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:48,018 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:00:48,378 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:49,428 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 245 DAG size of output: 228 [2020-09-04 16:00:50,364 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 224 [2020-09-04 16:00:50,739 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:00:51,364 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 16:00:52,156 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:00:52,519 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:52,883 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:53,450 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 16:00:54,011 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:00:54,389 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:54,758 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:55,107 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:00:55,456 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:55,805 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:00:56,163 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:56,525 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:56,907 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:57,820 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:00:58,170 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:00:58,539 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:58,904 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 225 [2020-09-04 16:00:59,262 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:00,197 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 224 [2020-09-04 16:01:00,583 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:01:00,942 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:01,301 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:01,650 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:02,563 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:01:03,318 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 16:01:03,998 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 226 [2020-09-04 16:01:04,365 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:04,706 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:01:05,082 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:01:05,438 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:05,833 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:01:06,195 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:06,559 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:06,901 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:01:07,263 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:01:08,174 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:01:08,871 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 228 [2020-09-04 16:01:09,237 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:09,603 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:09,955 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:01:10,307 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:01:10,663 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 225 [2020-09-04 16:01:11,020 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:01:11,684 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 16:01:12,040 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:12,400 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 225 [2020-09-04 16:01:12,939 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 16:01:13,297 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:01:13,655 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:01:14,003 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:14,361 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:14,730 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:15,089 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:01:15,437 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:01:15,786 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:01:16,141 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:16,507 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:16,878 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:01:17,233 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:17,615 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:17,978 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:18,345 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:19,056 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 16:01:19,420 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:20,468 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 245 DAG size of output: 228 [2020-09-04 16:01:20,817 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:21,159 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:01:21,514 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:21,870 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:22,845 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 226 [2020-09-04 16:01:23,193 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:01:23,549 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:01:24,246 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 228 [2020-09-04 16:01:24,627 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:25,012 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:25,371 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:26,285 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:01:26,668 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:01:27,026 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:27,376 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:27,717 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:01:28,080 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:28,438 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:28,797 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:29,179 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:30,045 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 226 [2020-09-04 16:01:30,943 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:01:31,851 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:01:32,202 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:32,550 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:01:34,442 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 246 DAG size of output: 239 [2020-09-04 16:01:34,867 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 16:01:35,261 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 231 [2020-09-04 16:01:35,674 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 16:01:36,101 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 239 [2020-09-04 16:01:36,510 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 16:01:36,898 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 233 [2020-09-04 16:01:37,289 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:01:38,317 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 246 DAG size of output: 239 [2020-09-04 16:01:38,684 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 16:01:39,104 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 16:01:39,516 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 16:01:39,926 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 16:01:40,372 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 16:01:40,785 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 16:01:41,165 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 16:01:41,915 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 16:01:54,516 WARN L193 SmtUtils]: Spent 12.58 s on a formula simplification. DAG size of input: 759 DAG size of output: 547 [2020-09-04 16:01:55,265 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 16:02:02,389 WARN L193 SmtUtils]: Spent 7.07 s on a formula simplification. DAG size of input: 631 DAG size of output: 482 [2020-09-04 16:02:02,755 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:02:12,487 WARN L193 SmtUtils]: Spent 9.73 s on a formula simplification. DAG size of input: 698 DAG size of output: 548 [2020-09-04 16:02:12,890 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 16:02:13,316 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 16:02:14,333 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 16:02:15,257 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 234 [2020-09-04 16:02:15,681 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 16:02:16,108 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 16:02:16,521 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 16:02:16,934 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 16:02:17,351 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 16:02:17,769 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 16:02:18,750 WARN L193 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 16:02:19,167 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 16:02:19,587 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 16:02:20,392 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-09-04 16:02:20,811 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 16:02:21,229 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 16:02:21,639 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 16:02:22,060 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 16:02:22,490 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 16:02:22,907 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 16:02:23,317 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 16:02:23,727 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 16:02:24,139 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 16:02:24,566 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 16:02:24,968 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:02:25,384 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 16:02:25,817 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 16:02:26,242 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 16:02:26,670 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 16:02:28,026 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 249 DAG size of output: 244 [2020-09-04 16:02:28,450 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 16:02:30,257 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 260 DAG size of output: 251 [2020-09-04 16:02:30,667 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 16:02:31,068 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 16:02:31,484 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 16:02:31,902 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 16:02:33,405 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 259 DAG size of output: 248 [2020-09-04 16:02:33,813 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 16:02:34,198 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:02:35,050 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 234 [2020-09-04 16:02:35,492 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 16:02:35,941 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 16:02:36,329 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:02:37,370 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 16:02:37,781 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:02:38,201 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 16:02:38,612 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 16:02:39,014 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 16:02:39,408 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:02:39,828 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 16:02:40,217 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:02:40,627 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:02:41,801 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 16:02:42,819 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 16:02:43,835 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 16:02:44,248 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 16:02:44,656 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 16:02:45,263 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 16:02:45,819 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 16:02:46,379 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 16:02:47,428 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 16:02:48,680 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2020-09-04 16:02:49,641 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 16:02:50,035 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 230 [2020-09-04 16:02:50,397 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 225 [2020-09-04 16:02:50,773 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:02:51,170 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 233 [2020-09-04 16:02:51,549 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:02:51,908 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:02:52,284 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:02:53,252 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 16:02:53,603 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:02:53,988 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:02:54,385 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 16:02:54,762 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:02:55,170 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 16:02:55,552 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:02:55,911 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:02:56,889 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 16:02:57,297 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 16:02:57,673 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 228 [2020-09-04 16:02:58,064 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 16:02:58,474 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 236 [2020-09-04 16:02:58,867 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:02:59,240 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 16:02:59,623 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:03:00,628 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 16:03:00,986 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:03:01,385 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 16:03:01,788 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 16:03:02,184 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:03:02,606 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 16:03:03,002 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:03:03,367 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:03:04,343 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 16:03:04,751 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 16:03:05,129 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 228 [2020-09-04 16:03:05,521 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 16:03:05,932 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 236 [2020-09-04 16:03:06,326 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:03:06,699 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 16:03:07,084 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:03:08,089 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 16:03:08,447 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:03:08,846 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 16:03:09,251 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 16:03:09,644 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:03:10,067 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 16:03:10,465 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:03:10,830 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:03:27,324 WARN L193 SmtUtils]: Spent 16.24 s on a formula simplification. DAG size of input: 910 DAG size of output: 696 [2020-09-04 16:03:27,676 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:03:28,682 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 16:03:29,074 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 16:03:29,487 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:03:29,892 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 233 [2020-09-04 16:03:30,293 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:03:31,449 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 247 DAG size of output: 234 [2020-09-04 16:03:31,852 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 16:03:32,255 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:03:32,658 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:03:33,050 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:03:34,089 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 16:03:35,083 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-09-04 16:03:35,980 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 234 [2020-09-04 16:03:36,390 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:03:36,776 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 16:03:37,194 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:03:37,595 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:03:38,031 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:03:38,435 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:03:38,814 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:03:39,205 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 16:03:40,164 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 16:03:40,916 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-09-04 16:03:41,309 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:03:41,702 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:03:42,083 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:03:42,464 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:03:42,849 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 16:03:43,236 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:03:44,161 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 16:03:44,544 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:03:44,933 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 16:03:45,695 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 16:03:46,082 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 16:03:46,467 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:03:46,845 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:03:47,232 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:03:47,629 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:03:48,013 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:03:48,391 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:03:48,769 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:03:49,150 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:03:49,544 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:03:49,930 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:03:50,314 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:03:50,715 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:03:51,107 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:03:51,503 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:03:52,730 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 243 DAG size of output: 238 [2020-09-04 16:03:53,122 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:03:54,365 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 254 DAG size of output: 247 [2020-09-04 16:03:54,743 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:03:55,113 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:03:55,498 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:03:55,883 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:03:57,333 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 253 DAG size of output: 243 [2020-09-04 16:03:57,710 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 16:03:58,081 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:03:58,891 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-09-04 16:03:59,303 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:03:59,715 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:04:00,088 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:04:01,070 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 16:04:01,465 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:04:01,853 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:04:02,231 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:04:02,602 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:04:02,979 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:04:03,367 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:04:03,740 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:04:04,133 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:04:05,168 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-09-04 16:04:06,131 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 16:04:07,088 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 16:04:07,471 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:04:07,847 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:04:08,203 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:04:08,631 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 16:04:09,024 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:04:09,809 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:04:10,384 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:04:10,950 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 16:04:11,300 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:04:11,649 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:04:11,998 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:04:12,346 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:04:12,693 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:04:13,051 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:04:13,409 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:04:14,037 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 16:04:30,794 WARN L193 SmtUtils]: Spent 13.28 s on a formula simplification. DAG size of input: 728 DAG size of output: 576 [2020-09-04 16:04:31,571 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:04:32,148 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:04:32,714 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 16:04:33,065 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:04:33,413 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:04:33,762 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:04:34,111 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:04:34,459 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:04:34,818 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:04:35,176 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:04:35,805 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 16:04:36,394 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 16:04:36,952 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:04:37,310 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:04:37,660 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:04:38,021 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:04:38,644 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 16:04:38,996 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:04:39,343 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:04:39,690 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:04:40,038 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:04:40,814 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:04:41,779 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:04:42,169 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:04:42,742 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:04:43,736 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 16:04:44,140 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:04:44,711 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 16:04:45,080 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:04:45,458 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:04:45,824 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:04:46,181 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:04:46,551 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:04:47,461 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:04:48,514 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 16:04:49,561 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 16:04:49,926 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:04:50,298 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:04:50,660 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:04:51,018 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:04:51,382 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:04:51,741 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:04:52,813 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 16:04:53,861 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 16:04:54,221 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:04:55,135 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:04:56,190 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 16:04:56,556 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:04:56,916 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:05:06,567 WARN L193 SmtUtils]: Spent 9.65 s on a formula simplification. DAG size of input: 698 DAG size of output: 548 [2020-09-04 16:05:06,922 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:05:07,278 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:05:07,648 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:05:08,366 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 233 [2020-09-04 16:05:08,717 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:05:09,588 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 231 [2020-09-04 16:05:09,951 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:05:10,816 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 232 [2020-09-04 16:05:11,181 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:05:11,541 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:05:12,806 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 246 DAG size of output: 234 [2020-09-04 16:05:13,201 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:05:13,581 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:05:14,421 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:05:14,832 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:05:15,215 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:05:16,401 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 16:05:16,796 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 16:05:17,178 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:05:17,551 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 16:05:18,483 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:05:19,283 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 16:05:19,638 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:05:20,547 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:05:20,896 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:05:21,263 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:05:21,626 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 225 [2020-09-04 16:05:21,984 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:05:22,919 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 224 [2020-09-04 16:05:23,279 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:05:23,639 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:05:23,998 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:05:24,346 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:05:25,250 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:05:26,004 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 16:05:26,683 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 226 [2020-09-04 16:05:27,048 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:05:27,391 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:05:27,765 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:05:28,122 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:05:28,514 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:05:28,875 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:05:29,246 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:05:30,236 WARN L193 SmtUtils]: Spent 987.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 16:05:30,641 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:05:31,214 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 16:05:31,599 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:05:31,966 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:05:32,339 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:05:32,703 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:05:33,608 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:05:34,359 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 16:05:34,546 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 26 [2020-09-04 16:05:34,707 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 26 [2020-09-04 16:05:35,251 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 225 [2020-09-04 16:05:35,876 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 226 [2020-09-04 16:05:36,055 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 25 [2020-09-04 16:05:36,175 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 21 [2020-09-04 16:05:36,398 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 26 [2020-09-04 16:05:36,616 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 26 [2020-09-04 16:05:36,785 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 24 [2020-09-04 16:05:37,331 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 225 [2020-09-04 16:05:37,952 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 226 [2020-09-04 16:05:38,105 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 25 [2020-09-04 16:05:38,268 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 26 [2020-09-04 16:05:38,430 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 26 [2020-09-04 16:05:38,596 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 26 [2020-09-04 16:05:38,757 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 26 [2020-09-04 16:05:39,391 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 226 [2020-09-04 16:05:40,009 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 226 [2020-09-04 16:05:40,569 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 226 [2020-09-04 16:05:41,127 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 226 [2020-09-04 16:05:41,348 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 26 [2020-09-04 16:05:41,563 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 26 [2020-09-04 16:05:41,724 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 24 [2020-09-04 16:05:41,850 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 21 [2020-09-04 16:05:42,073 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 26 [2020-09-04 16:05:42,240 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 26 [2020-09-04 16:05:42,401 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 26 [2020-09-04 16:05:42,780 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:05:43,148 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:05:43,521 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:05:43,886 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:05:44,790 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:05:45,541 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 16:05:46,398 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 233 [2020-09-04 16:05:46,784 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:05:47,156 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:05:47,537 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:05:47,720 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 28 [2020-09-04 16:05:47,885 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 26 [2020-09-04 16:06:01,027 WARN L193 SmtUtils]: Spent 13.13 s on a formula simplification. DAG size of input: 728 DAG size of output: 576 [2020-09-04 16:06:01,379 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:06:03,069 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 257 DAG size of output: 227 [2020-09-04 16:06:04,190 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 243 DAG size of output: 226 [2020-09-04 16:06:04,767 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-09-04 16:06:05,334 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-09-04 16:06:05,911 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:06:06,489 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:06:07,066 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:06:07,637 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 226 [2020-09-04 16:06:09,325 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 257 DAG size of output: 227 [2020-09-04 16:06:09,895 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 226 [2020-09-04 16:06:10,604 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 228 [2020-09-04 16:06:11,179 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 226 [2020-09-04 16:06:11,757 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:06:12,328 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 226 [2020-09-04 16:06:14,013 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 257 DAG size of output: 227 [2020-09-04 16:06:14,592 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:06:15,404 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 16:06:16,215 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 16:06:17,160 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 227 [2020-09-04 16:06:18,093 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 227 [2020-09-04 16:06:18,659 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-09-04 16:06:19,780 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 243 DAG size of output: 226 [2020-09-04 16:06:20,723 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 227 [2020-09-04 16:06:22,411 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 257 DAG size of output: 227 [2020-09-04 16:06:23,187 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 226 [2020-09-04 16:06:23,847 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 16:06:24,620 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 226 [2020-09-04 16:06:25,196 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:06:25,773 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:06:26,347 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:06:27,035 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 16:06:28,041 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 16:06:29,046 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 16:06:29,635 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 228 [2020-09-04 16:06:30,220 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 228 [2020-09-04 16:06:30,792 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:06:31,360 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:06:32,068 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 228 [2020-09-04 16:06:32,634 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-09-04 16:06:33,751 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 243 DAG size of output: 226 [2020-09-04 16:06:34,329 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:06:35,100 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 16:06:36,786 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 257 DAG size of output: 227 [2020-09-04 16:06:37,554 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 16:06:38,123 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-09-04 16:06:38,700 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:06:39,075 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:06:39,455 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:06:39,819 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:06:40,202 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:06:40,902 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 16:06:41,260 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:06:41,612 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:06:41,960 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:06:42,301 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:06:42,656 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:06:43,012 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:06:44,060 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 245 DAG size of output: 228 [2020-09-04 16:06:45,108 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 245 DAG size of output: 228 [2020-09-04 16:06:45,464 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:06:46,160 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 16:06:46,856 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 16:06:47,831 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 226 [2020-09-04 16:06:48,522 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 228 [2020-09-04 16:06:48,875 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:06:49,226 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:06:49,584 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:06:50,636 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 245 DAG size of output: 228 [2020-09-04 16:06:51,334 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 228 [2020-09-04 16:06:52,029 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 228 [2020-09-04 16:06:52,381 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:06:52,733 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:06:53,087 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:06:53,444 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:06:53,791 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:06:54,448 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 16:06:55,104 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 16:06:55,457 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:06:55,814 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:06:56,364 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 16:06:56,713 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:06:57,070 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 225 [2020-09-04 16:06:57,437 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:06:57,797 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:06:58,155 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:06:58,523 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:06:59,215 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 228 [2020-09-04 16:06:59,574 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:07:00,554 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 226 [2020-09-04 16:07:00,913 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:07:01,263 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:07:01,629 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:07:01,994 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:07:02,344 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:07:02,685 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:07:03,033 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:07:03,394 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:07:03,753 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:07:04,113 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:07:04,473 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:07:04,831 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:07:05,190 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:07:05,558 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:07:05,932 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:07:06,291 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:07:07,340 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 245 DAG size of output: 228 [2020-09-04 16:07:08,391 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 245 DAG size of output: 228 [2020-09-04 16:07:09,211 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 226 [2020-09-04 16:07:09,567 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:07:10,387 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 226 [2020-09-04 16:07:11,286 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:07:12,178 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:07:13,229 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 245 DAG size of output: 228 [2020-09-04 16:07:13,580 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:07:14,483 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:07:14,833 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:07:15,830 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 226 [2020-09-04 16:07:16,178 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:07:16,535 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:07:17,232 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-09-04 16:07:17,615 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:07:17,995 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:07:18,369 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:07:18,754 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:07:19,339 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 16:07:19,896 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:07:20,254 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:07:20,604 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:07:20,966 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:07:21,590 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 16:07:21,942 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:07:22,290 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:07:22,637 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:07:22,986 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:07:23,762 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:07:24,173 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:07:24,545 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 16:07:24,921 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 16:07:25,856 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:07:26,612 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 16:07:27,010 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 16:07:27,374 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:07:27,742 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:07:28,672 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 16:07:29,427 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 16:07:42,565 WARN L193 SmtUtils]: Spent 13.13 s on a formula simplification. DAG size of input: 728 DAG size of output: 576 [2020-09-04 16:07:42,959 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 16:07:43,323 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:07:43,694 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:07:44,624 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 16:07:45,379 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 16:07:45,763 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:07:46,111 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:07:46,458 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:07:46,808 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:07:47,155 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:07:47,508 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:07:48,134 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 16:07:48,911 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:07:49,284 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:07:49,852 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 16:07:50,412 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:07:50,767 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:07:51,138 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:07:51,535 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:07:51,902 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:07:52,261 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:07:53,157 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:07:53,517 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:08:04,827 WARN L193 SmtUtils]: Spent 11.31 s on a formula simplification. DAG size of input: 659 DAG size of output: 517 [2020-09-04 16:08:11,723 WARN L193 SmtUtils]: Spent 6.89 s on a formula simplification. DAG size of input: 631 DAG size of output: 482 [2020-09-04 16:08:12,107 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:08:12,696 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:08:13,686 WARN L193 SmtUtils]: Spent 944.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:08:14,079 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:08:14,666 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:08:15,669 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:08:16,054 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:08:16,643 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:08:17,633 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:08:18,009 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 16:08:18,643 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 16:08:19,296 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-09-04 16:08:20,368 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 259 DAG size of output: 244 [2020-09-04 16:08:21,684 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 271 DAG size of output: 252 [2020-09-04 16:08:22,148 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 16:08:22,815 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 240 [2020-09-04 16:08:23,484 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-09-04 16:08:23,974 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 16:08:24,329 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:08:24,680 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:08:25,033 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:08:25,392 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:08:25,744 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:08:26,095 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:08:26,446 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:08:26,797 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:08:27,849 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 245 DAG size of output: 228 [2020-09-04 16:08:28,898 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 245 DAG size of output: 228 [2020-09-04 16:08:29,249 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:08:29,601 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:08:29,962 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:08:30,314 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:08:30,669 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:08:31,019 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:08:31,377 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:08:32,284 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:08:32,639 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 225 [2020-09-04 16:08:33,004 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:08:33,362 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:08:33,720 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:08:34,069 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:08:34,421 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:08:34,779 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:08:35,123 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:08:36,066 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 224 [2020-09-04 16:08:36,424 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:08:36,784 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:08:37,143 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:08:37,504 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:08:37,853 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:08:38,201 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:08:38,566 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:08:38,924 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:08:39,276 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:08:40,349 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 245 DAG size of output: 228 [2020-09-04 16:08:41,401 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 245 DAG size of output: 228 [2020-09-04 16:08:42,135 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 226 [2020-09-04 16:08:42,870 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 226 [2020-09-04 16:08:43,232 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:08:44,129 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:08:45,021 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:08:45,370 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:08:45,717 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 16:08:46,078 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:08:46,430 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:08:46,783 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:08:47,137 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:08:47,496 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:08:48,547 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 245 DAG size of output: 228 [2020-09-04 16:08:49,482 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 224 [2020-09-04 16:08:49,851 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:08:50,240 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:08:50,642 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:08:51,004 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:08:51,372 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:08:51,751 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:08:51,934 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 28 [2020-09-04 16:08:52,099 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 26 [2020-09-04 16:08:53,091 WARN L193 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 227 [2020-09-04 16:08:54,797 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 257 DAG size of output: 227 [2020-09-04 16:08:55,585 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 16:08:56,171 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-09-04 16:08:56,858 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 225 [2020-09-04 16:08:58,565 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 257 DAG size of output: 227 [2020-09-04 16:08:59,165 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-09-04 16:09:00,155 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 227 [2020-09-04 16:09:00,991 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 16:09:01,773 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 16:09:02,490 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 233 [2020-09-04 16:09:02,841 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:09:03,193 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:09:03,798 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:09:04,403 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:09:05,273 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 231 [2020-09-04 16:09:06,141 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 231 [2020-09-04 16:09:07,860 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 257 DAG size of output: 227 [2020-09-04 16:09:09,572 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 257 DAG size of output: 227 [2020-09-04 16:09:09,930 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:09:10,290 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:09:10,885 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 226 [2020-09-04 16:09:11,480 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 226 [2020-09-04 16:09:12,344 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 232 [2020-09-04 16:09:13,208 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 232 [2020-09-04 16:09:13,802 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-09-04 16:09:14,794 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 227 [2020-09-04 16:09:15,388 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:09:15,986 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:09:16,346 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:09:17,181 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 16:09:17,891 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-09-04 16:09:18,700 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 16:09:20,405 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 257 DAG size of output: 227 [2020-09-04 16:09:21,654 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 246 DAG size of output: 234 [2020-09-04 16:09:22,454 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 16:09:23,699 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 246 DAG size of output: 234 [2020-09-04 16:09:24,301 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:09:24,900 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:09:26,371 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 249 DAG size of output: 233 [2020-09-04 16:09:27,841 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 249 DAG size of output: 233 [2020-09-04 16:09:28,562 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 233 [2020-09-04 16:09:29,157 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:09:29,750 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 16:09:30,442 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 225 [2020-09-04 16:09:31,029 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 16:09:31,588 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227