/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_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 15:58:24,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 15:58:24,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 15:58:24,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 15:58:24,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 15:58:24,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 15:58:24,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 15:58:24,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 15:58:24,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 15:58:24,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 15:58:24,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 15:58:24,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 15:58:24,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 15:58:24,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 15:58:24,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 15:58:24,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 15:58:24,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 15:58:24,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 15:58:24,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 15:58:24,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 15:58:24,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 15:58:24,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 15:58:24,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 15:58:24,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 15:58:24,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 15:58:24,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 15:58:24,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 15:58:24,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 15:58:24,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 15:58:24,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 15:58:24,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 15:58:24,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 15:58:24,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 15:58:24,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 15:58:24,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 15:58:24,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 15:58:24,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 15:58:24,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 15:58:24,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 15:58:24,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 15:58:24,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 15:58:24,882 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 15:58:24,896 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 15:58:24,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 15:58:24,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 15:58:24,898 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 15:58:24,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 15:58:24,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 15:58:24,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 15:58:24,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 15:58:24,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 15:58:24,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 15:58:24,900 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 15:58:24,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 15:58:24,901 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 15:58:24,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 15:58:24,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 15:58:24,902 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 15:58:24,902 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 15:58:24,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 15:58:24,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 15:58:24,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 15:58:24,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 15:58:24,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 15:58:24,903 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 15:58:25,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 15:58:25,326 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 15:58:25,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 15:58:25,332 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 15:58:25,333 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 15:58:25,334 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2020-09-04 15:58:25,422 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8cdf8006/afb01aa62ab8445da3f76a06fe19200f/FLAGf234f72c4 [2020-09-04 15:58:26,018 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 15:58:26,019 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2020-09-04 15:58:26,034 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8cdf8006/afb01aa62ab8445da3f76a06fe19200f/FLAGf234f72c4 [2020-09-04 15:58:26,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8cdf8006/afb01aa62ab8445da3f76a06fe19200f [2020-09-04 15:58:26,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 15:58:26,323 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 15:58:26,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 15:58:26,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 15:58:26,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 15:58:26,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 03:58:26" (1/1) ... [2020-09-04 15:58:26,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b8831ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:58:26, skipping insertion in model container [2020-09-04 15:58:26,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 03:58:26" (1/1) ... [2020-09-04 15:58:26,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 15:58:26,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 15:58:26,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 15:58:26,909 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 15:58:26,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 15:58:27,032 INFO L208 MainTranslator]: Completed translation [2020-09-04 15:58:27,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:58:27 WrapperNode [2020-09-04 15:58:27,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 15:58:27,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 15:58:27,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 15:58:27,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 15:58:27,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:58:27" (1/1) ... [2020-09-04 15:58:27,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:58:27" (1/1) ... [2020-09-04 15:58:27,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:58:27" (1/1) ... [2020-09-04 15:58:27,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:58:27" (1/1) ... [2020-09-04 15:58:27,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:58:27" (1/1) ... [2020-09-04 15:58:27,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:58:27" (1/1) ... [2020-09-04 15:58:27,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:58:27" (1/1) ... [2020-09-04 15:58:27,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 15:58:27,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 15:58:27,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 15:58:27,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 15:58:27,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:58:27" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 15:58:27,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 15:58:27,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 15:58:27,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 15:58:27,240 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 15:58:27,240 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 15:58:27,240 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 15:58:27,240 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 15:58:27,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 15:58:27,241 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 15:58:27,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 15:58:27,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-04 15:58:27,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-04 15:58:27,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-04 15:58:27,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-04 15:58:27,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 15:58:27,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 15:58:27,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 15:58:27,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 15:58:27,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 15:58:27,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 15:58:27,243 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 15:58:27,243 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 15:58:27,244 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 15:58:27,244 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 15:58:27,244 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 15:58:27,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 15:58:27,244 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 15:58:27,245 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 15:58:27,245 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 15:58:27,245 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 15:58:27,245 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 15:58:27,245 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-04 15:58:27,245 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 15:58:27,246 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 15:58:27,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 15:58:27,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 15:58:27,246 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 15:58:27,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 15:58:27,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-04 15:58:27,247 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-04 15:58:27,247 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 15:58:27,247 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 15:58:27,247 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 15:58:27,247 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 15:58:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 15:58:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 15:58:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 15:58:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 15:58:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 15:58:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 15:58:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 15:58:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 15:58:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 15:58:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 15:58:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-04 15:58:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 15:58:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 15:58:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 15:58:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-04 15:58:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-04 15:58:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-04 15:58:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 15:58:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 15:58:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 15:58:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 15:58:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 15:58:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 15:58:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 15:58:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 15:58:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 15:58:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 15:58:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 15:58:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 15:58:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 15:58:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 15:58:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 15:58:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 15:58:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 15:58:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 15:58:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 15:58:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 15:58:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 15:58:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 15:58:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 15:58:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 15:58:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 15:58:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 15:58:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 15:58:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-04 15:58:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 15:58:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 15:58:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 15:58:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 15:58:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 15:58:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 15:58:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-04 15:58:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-04 15:58:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 15:58:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 15:58:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 15:58:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 15:58:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 15:58:28,531 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 15:58:28,531 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 15:58:28,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 03:58:28 BoogieIcfgContainer [2020-09-04 15:58:28,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 15:58:28,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 15:58:28,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 15:58:28,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 15:58:28,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 03:58:26" (1/3) ... [2020-09-04 15:58:28,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d365cd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 03:58:28, skipping insertion in model container [2020-09-04 15:58:28,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:58:27" (2/3) ... [2020-09-04 15:58:28,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d365cd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 03:58:28, skipping insertion in model container [2020-09-04 15:58:28,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 03:58:28" (3/3) ... [2020-09-04 15:58:28,548 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58.cil.c [2020-09-04 15:58:28,559 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 15:58:28,568 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 15:58:28,589 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 15:58:28,614 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 15:58:28,614 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 15:58:28,614 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 15:58:28,614 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 15:58:28,614 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 15:58:28,614 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 15:58:28,615 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 15:58:28,615 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 15:58:28,638 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states. [2020-09-04 15:58:28,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-04 15:58:28,662 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:58:28,664 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 15:58:28,664 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:58:28,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:58:28,672 INFO L82 PathProgramCache]: Analyzing trace with hash 797820518, now seen corresponding path program 1 times [2020-09-04 15:58:28,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:58:28,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [662889425] [2020-09-04 15:58:28,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:58:28,758 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:58:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:29,533 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:58:29,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:29,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:58:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:29,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:58:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:29,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:58:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:29,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:58:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:29,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:58:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:29,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 15:58:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:29,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:29,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 15:58:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:29,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 15:58:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:29,725 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 15:58:29,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [662889425] [2020-09-04 15:58:29,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:58:29,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 15:58:29,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161434520] [2020-09-04 15:58:29,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 15:58:29,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:58:29,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 15:58:29,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 15:58:29,764 INFO L87 Difference]: Start difference. First operand 351 states. Second operand 4 states. [2020-09-04 15:58:31,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:58:31,151 INFO L93 Difference]: Finished difference Result 563 states and 653 transitions. [2020-09-04 15:58:31,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 15:58:31,153 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-04 15:58:31,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:58:31,174 INFO L225 Difference]: With dead ends: 563 [2020-09-04 15:58:31,175 INFO L226 Difference]: Without dead ends: 348 [2020-09-04 15:58:31,181 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 15:58:31,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-09-04 15:58:31,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 300. [2020-09-04 15:58:31,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-09-04 15:58:31,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 325 transitions. [2020-09-04 15:58:31,392 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 325 transitions. Word has length 160 [2020-09-04 15:58:31,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:58:31,393 INFO L479 AbstractCegarLoop]: Abstraction has 300 states and 325 transitions. [2020-09-04 15:58:31,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 15:58:31,393 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 325 transitions. [2020-09-04 15:58:31,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-04 15:58:31,398 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:58:31,398 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 15:58:31,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 15:58:31,399 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:58:31,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:58:31,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1390258068, now seen corresponding path program 1 times [2020-09-04 15:58:31,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:58:31,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1692743134] [2020-09-04 15:58:31,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:58:31,403 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:58:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:31,796 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:58:31,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:31,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:58:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:31,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:58:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:31,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:58:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:31,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:58:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:31,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:58:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:31,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:58:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:31,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:31,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:58:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:31,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:58:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:31,901 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 15:58:31,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1692743134] [2020-09-04 15:58:31,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:58:31,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 15:58:31,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301814908] [2020-09-04 15:58:31,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 15:58:31,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:58:31,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 15:58:31,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 15:58:31,905 INFO L87 Difference]: Start difference. First operand 300 states and 325 transitions. Second operand 5 states. [2020-09-04 15:58:32,607 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:58:33,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:58:33,895 INFO L93 Difference]: Finished difference Result 488 states and 545 transitions. [2020-09-04 15:58:33,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 15:58:33,896 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-04 15:58:33,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:58:33,902 INFO L225 Difference]: With dead ends: 488 [2020-09-04 15:58:33,902 INFO L226 Difference]: Without dead ends: 337 [2020-09-04 15:58:33,905 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 15:58:33,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-09-04 15:58:33,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 290. [2020-09-04 15:58:33,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-09-04 15:58:33,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 312 transitions. [2020-09-04 15:58:33,981 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 312 transitions. Word has length 161 [2020-09-04 15:58:33,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:58:33,982 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 312 transitions. [2020-09-04 15:58:33,982 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 15:58:33,982 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 312 transitions. [2020-09-04 15:58:33,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-04 15:58:33,985 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:58:33,985 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 15:58:33,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 15:58:33,986 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:58:33,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:58:33,986 INFO L82 PathProgramCache]: Analyzing trace with hash -678353695, now seen corresponding path program 1 times [2020-09-04 15:58:33,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:58:33,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1576488289] [2020-09-04 15:58:33,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:58:33,989 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:58:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:34,362 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:58:34,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:34,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:34,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:58:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:34,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:58:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:34,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:58:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:34,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:58:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:34,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:58:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:34,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:58:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:34,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:58:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:34,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:34,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-04 15:58:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:34,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-04 15:58:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:34,560 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 15:58:34,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1576488289] [2020-09-04 15:58:34,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:58:34,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 15:58:34,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14075836] [2020-09-04 15:58:34,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 15:58:34,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:58:34,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 15:58:34,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 15:58:34,564 INFO L87 Difference]: Start difference. First operand 290 states and 312 transitions. Second operand 11 states. [2020-09-04 15:58:35,130 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:58:35,643 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:58:36,012 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:58:36,385 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:58:36,649 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:58:36,920 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:58:38,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:58:38,924 INFO L93 Difference]: Finished difference Result 535 states and 610 transitions. [2020-09-04 15:58:38,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 15:58:38,925 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-09-04 15:58:38,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:58:38,929 INFO L225 Difference]: With dead ends: 535 [2020-09-04 15:58:38,929 INFO L226 Difference]: Without dead ends: 360 [2020-09-04 15:58:38,931 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-09-04 15:58:38,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-09-04 15:58:39,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 290. [2020-09-04 15:58:39,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-09-04 15:58:39,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 311 transitions. [2020-09-04 15:58:39,019 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 311 transitions. Word has length 174 [2020-09-04 15:58:39,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:58:39,020 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 311 transitions. [2020-09-04 15:58:39,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 15:58:39,020 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 311 transitions. [2020-09-04 15:58:39,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-09-04 15:58:39,023 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:58:39,023 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] [2020-09-04 15:58:39,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 15:58:39,023 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:58:39,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:58:39,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1021606715, now seen corresponding path program 1 times [2020-09-04 15:58:39,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:58:39,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [243954305] [2020-09-04 15:58:39,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:58:39,027 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:58:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,390 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:58:39,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:58:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:58:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:58:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:58:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:58:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:58:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:58:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:58:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-04 15:58:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-04 15:58:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,586 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 15:58:39,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [243954305] [2020-09-04 15:58:39,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:58:39,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 15:58:39,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768898265] [2020-09-04 15:58:39,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 15:58:39,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:58:39,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 15:58:39,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 15:58:39,589 INFO L87 Difference]: Start difference. First operand 290 states and 311 transitions. Second operand 8 states. [2020-09-04 15:58:40,172 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:58:42,442 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:58:43,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:58:43,317 INFO L93 Difference]: Finished difference Result 724 states and 855 transitions. [2020-09-04 15:58:43,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 15:58:43,318 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 187 [2020-09-04 15:58:43,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:58:43,323 INFO L225 Difference]: With dead ends: 724 [2020-09-04 15:58:43,324 INFO L226 Difference]: Without dead ends: 549 [2020-09-04 15:58:43,325 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-09-04 15:58:43,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-09-04 15:58:43,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 411. [2020-09-04 15:58:43,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-09-04 15:58:43,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 444 transitions. [2020-09-04 15:58:43,473 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 444 transitions. Word has length 187 [2020-09-04 15:58:43,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:58:43,473 INFO L479 AbstractCegarLoop]: Abstraction has 411 states and 444 transitions. [2020-09-04 15:58:43,474 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 15:58:43,474 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 444 transitions. [2020-09-04 15:58:43,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-04 15:58:43,476 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:58:43,477 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] [2020-09-04 15:58:43,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 15:58:43,477 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:58:43,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:58:43,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1622480709, now seen corresponding path program 1 times [2020-09-04 15:58:43,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:58:43,478 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1672386613] [2020-09-04 15:58:43,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:58:43,481 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:58:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:43,855 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:58:43,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:43,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:58:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:43,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:58:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:43,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:58:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:43,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:58:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:43,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:58:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:43,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:58:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:43,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:58:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:43,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:43,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:58:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:43,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:43,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:43,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:58:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:44,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:58:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:44,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-04 15:58:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:44,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-04 15:58:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:44,074 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 15:58:44,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1672386613] [2020-09-04 15:58:44,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:58:44,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 15:58:44,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155189304] [2020-09-04 15:58:44,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 15:58:44,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:58:44,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 15:58:44,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 15:58:44,077 INFO L87 Difference]: Start difference. First operand 411 states and 444 transitions. Second operand 11 states. [2020-09-04 15:58:44,659 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:58:45,708 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:58:46,012 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:58:47,317 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:58:47,634 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:58:47,998 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:58:48,638 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:58:48,956 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:58:49,252 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:58:49,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:58:49,995 INFO L93 Difference]: Finished difference Result 844 states and 984 transitions. [2020-09-04 15:58:49,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-04 15:58:49,995 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 211 [2020-09-04 15:58:49,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:58:50,000 INFO L225 Difference]: With dead ends: 844 [2020-09-04 15:58:50,000 INFO L226 Difference]: Without dead ends: 548 [2020-09-04 15:58:50,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-09-04 15:58:50,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-09-04 15:58:50,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 410. [2020-09-04 15:58:50,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2020-09-04 15:58:50,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 441 transitions. [2020-09-04 15:58:50,215 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 441 transitions. Word has length 211 [2020-09-04 15:58:50,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:58:50,215 INFO L479 AbstractCegarLoop]: Abstraction has 410 states and 441 transitions. [2020-09-04 15:58:50,216 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 15:58:50,216 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 441 transitions. [2020-09-04 15:58:50,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-04 15:58:50,220 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:58:50,221 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:58:50,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 15:58:50,221 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:58:50,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:58:50,222 INFO L82 PathProgramCache]: Analyzing trace with hash 258575659, now seen corresponding path program 1 times [2020-09-04 15:58:50,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:58:50,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [46389764] [2020-09-04 15:58:50,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:58:50,225 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:58:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:50,538 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:58:50,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:50,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:58:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:50,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:58:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:50,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:58:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:50,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:58:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:50,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:58:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:50,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:58:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:50,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:58:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:50,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:50,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:58:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:50,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:50,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:50,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:58:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:50,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:58:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:50,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:58:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:50,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:58:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:50,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:58:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:50,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-04 15:58:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:50,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-04 15:58:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:50,895 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 15:58:50,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [46389764] [2020-09-04 15:58:50,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:58:50,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 15:58:50,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600391884] [2020-09-04 15:58:50,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 15:58:50,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:58:50,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 15:58:50,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 15:58:50,901 INFO L87 Difference]: Start difference. First operand 410 states and 441 transitions. Second operand 11 states. [2020-09-04 15:58:52,682 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:58:53,000 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:58:53,331 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:58:53,656 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:58:53,984 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:58:54,282 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:58:55,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:58:55,737 INFO L93 Difference]: Finished difference Result 847 states and 993 transitions. [2020-09-04 15:58:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 15:58:55,737 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 234 [2020-09-04 15:58:55,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:58:55,741 INFO L225 Difference]: With dead ends: 847 [2020-09-04 15:58:55,741 INFO L226 Difference]: Without dead ends: 552 [2020-09-04 15:58:55,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-04 15:58:55,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2020-09-04 15:58:55,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 418. [2020-09-04 15:58:55,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-09-04 15:58:55,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 449 transitions. [2020-09-04 15:58:55,851 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 449 transitions. Word has length 234 [2020-09-04 15:58:55,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:58:55,851 INFO L479 AbstractCegarLoop]: Abstraction has 418 states and 449 transitions. [2020-09-04 15:58:55,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 15:58:55,852 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 449 transitions. [2020-09-04 15:58:55,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-04 15:58:55,855 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:58:55,855 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:58:55,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 15:58:55,856 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:58:55,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:58:55,856 INFO L82 PathProgramCache]: Analyzing trace with hash 926322059, now seen corresponding path program 1 times [2020-09-04 15:58:55,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:58:55,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [153911449] [2020-09-04 15:58:55,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:58:55,859 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:58:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:56,174 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:58:56,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:56,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:58:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:56,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:58:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:56,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:58:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:56,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:58:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:56,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:58:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:56,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:58:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:56,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:58:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:56,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:56,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:58:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:56,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:56,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:56,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:58:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:56,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:58:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:56,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:58:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:56,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:58:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:56,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:58:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:56,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-04 15:58:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:56,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-04 15:58:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:56,589 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 15:58:56,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [153911449] [2020-09-04 15:58:56,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:58:56,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 15:58:56,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730048287] [2020-09-04 15:58:56,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 15:58:56,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:58:56,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 15:58:56,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-09-04 15:58:56,600 INFO L87 Difference]: Start difference. First operand 418 states and 449 transitions. Second operand 14 states. [2020-09-04 15:58:57,458 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:58:57,733 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:58:58,017 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:58:58,326 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:58:58,619 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:58:59,751 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:59:00,069 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:59:00,402 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:59:00,757 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:59:01,076 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:59:02,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:59:02,902 INFO L93 Difference]: Finished difference Result 864 states and 1011 transitions. [2020-09-04 15:59:02,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 15:59:02,903 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 234 [2020-09-04 15:59:02,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:59:02,906 INFO L225 Difference]: With dead ends: 864 [2020-09-04 15:59:02,907 INFO L226 Difference]: Without dead ends: 561 [2020-09-04 15:59:02,908 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-09-04 15:59:02,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2020-09-04 15:59:03,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 424. [2020-09-04 15:59:03,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-09-04 15:59:03,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 455 transitions. [2020-09-04 15:59:03,031 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 455 transitions. Word has length 234 [2020-09-04 15:59:03,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:59:03,031 INFO L479 AbstractCegarLoop]: Abstraction has 424 states and 455 transitions. [2020-09-04 15:59:03,032 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 15:59:03,032 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 455 transitions. [2020-09-04 15:59:03,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-04 15:59:03,034 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:59:03,034 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:59:03,034 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 15:59:03,034 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:59:03,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:59:03,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1653427336, now seen corresponding path program 1 times [2020-09-04 15:59:03,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:59:03,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [284163942] [2020-09-04 15:59:03,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:59:03,038 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:59:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:03,445 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:59:03,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:03,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:59:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:03,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:59:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:03,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:59:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:03,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:59:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:03,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:59:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:03,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:59:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:03,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:59:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:03,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:03,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:59:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:03,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:03,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:03,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:03,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:59:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:03,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:59:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:03,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:59:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:03,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:59:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:03,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-04 15:59:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:03,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-04 15:59:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:03,792 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 15:59:03,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [284163942] [2020-09-04 15:59:03,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:59:03,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 15:59:03,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521565491] [2020-09-04 15:59:03,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 15:59:03,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:59:03,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 15:59:03,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 15:59:03,795 INFO L87 Difference]: Start difference. First operand 424 states and 455 transitions. Second operand 8 states. [2020-09-04 15:59:04,324 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:59:05,080 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:59:08,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:59:08,309 INFO L93 Difference]: Finished difference Result 1195 states and 1434 transitions. [2020-09-04 15:59:08,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-04 15:59:08,309 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 234 [2020-09-04 15:59:08,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:59:08,316 INFO L225 Difference]: With dead ends: 1195 [2020-09-04 15:59:08,316 INFO L226 Difference]: Without dead ends: 886 [2020-09-04 15:59:08,318 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-09-04 15:59:08,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2020-09-04 15:59:08,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 679. [2020-09-04 15:59:08,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2020-09-04 15:59:08,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 747 transitions. [2020-09-04 15:59:08,506 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 747 transitions. Word has length 234 [2020-09-04 15:59:08,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:59:08,506 INFO L479 AbstractCegarLoop]: Abstraction has 679 states and 747 transitions. [2020-09-04 15:59:08,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 15:59:08,507 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 747 transitions. [2020-09-04 15:59:08,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-04 15:59:08,509 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:59:08,510 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:59:08,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 15:59:08,510 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:59:08,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:59:08,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1392423546, now seen corresponding path program 1 times [2020-09-04 15:59:08,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:59:08,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [260572062] [2020-09-04 15:59:08,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:59:08,514 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:59:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:08,995 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:59:08,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:09,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:59:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:09,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:59:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:09,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:59:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:09,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:59:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:09,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:59:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:09,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:59:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:09,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:59:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:09,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 15:59:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:09,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:09,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-04 15:59:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:09,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:09,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:09,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:09,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:59:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:09,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:59:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:09,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:59:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:09,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:59:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:09,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-04 15:59:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:09,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 15:59:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:09,329 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 15:59:09,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [260572062] [2020-09-04 15:59:09,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:59:09,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-04 15:59:09,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563549075] [2020-09-04 15:59:09,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 15:59:09,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:59:09,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 15:59:09,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-09-04 15:59:09,331 INFO L87 Difference]: Start difference. First operand 679 states and 747 transitions. Second operand 15 states. [2020-09-04 15:59:10,197 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 15:59:11,111 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:59:13,118 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-04 15:59:13,736 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 15:59:14,123 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:59:14,448 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:59:15,068 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-04 15:59:15,389 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:59:15,796 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:59:16,114 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:59:18,532 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:59:18,831 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:59:19,195 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:59:19,929 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 15:59:21,701 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-04 15:59:22,307 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-04 15:59:22,998 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 15:59:23,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:59:23,870 INFO L93 Difference]: Finished difference Result 2110 states and 2526 transitions. [2020-09-04 15:59:23,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-09-04 15:59:23,870 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 239 [2020-09-04 15:59:23,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:59:23,880 INFO L225 Difference]: With dead ends: 2110 [2020-09-04 15:59:23,880 INFO L226 Difference]: Without dead ends: 1653 [2020-09-04 15:59:23,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1135 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=754, Invalid=2906, Unknown=0, NotChecked=0, Total=3660 [2020-09-04 15:59:23,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2020-09-04 15:59:24,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1212. [2020-09-04 15:59:24,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1212 states. [2020-09-04 15:59:24,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 1324 transitions. [2020-09-04 15:59:24,281 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 1324 transitions. Word has length 239 [2020-09-04 15:59:24,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:59:24,282 INFO L479 AbstractCegarLoop]: Abstraction has 1212 states and 1324 transitions. [2020-09-04 15:59:24,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 15:59:24,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1324 transitions. [2020-09-04 15:59:24,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-09-04 15:59:24,285 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:59:24,286 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, 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 15:59:24,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 15:59:24,286 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:59:24,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:59:24,287 INFO L82 PathProgramCache]: Analyzing trace with hash 2041397131, now seen corresponding path program 1 times [2020-09-04 15:59:24,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:59:24,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [136865949] [2020-09-04 15:59:24,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:59:24,330 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:59:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:24,747 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:59:24,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:24,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:59:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:24,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:59:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:24,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:59:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:24,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:59:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:24,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:59:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:24,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:59:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:24,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:59:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:24,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:59:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:24,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:24,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:25,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:59:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:25,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:25,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:25,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:25,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:59:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:25,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:59:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:25,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:59:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:25,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:59:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:25,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 15:59:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:25,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:25,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 15:59:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:25,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 15:59:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:25,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:25,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-09-04 15:59:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:25,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-09-04 15:59:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:25,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:25,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:25,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:59:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:25,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:25,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2020-09-04 15:59:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:25,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-09-04 15:59:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:25,360 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 15:59:25,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [136865949] [2020-09-04 15:59:25,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:59:25,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 15:59:25,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847159191] [2020-09-04 15:59:25,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 15:59:25,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:59:25,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 15:59:25,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-09-04 15:59:25,363 INFO L87 Difference]: Start difference. First operand 1212 states and 1324 transitions. Second operand 19 states. [2020-09-04 15:59:26,179 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:59:26,574 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:59:26,924 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 15:59:27,279 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:59:27,620 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:59:27,942 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:59:29,105 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:59:29,471 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:59:29,817 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:59:30,463 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 15:59:31,695 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:59:32,095 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-09-04 15:59:33,189 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:59:34,273 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:59:35,339 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:59:35,980 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 15:59:36,592 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 15:59:37,047 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:59:38,040 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:59:38,725 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 15:59:39,122 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 15:59:39,918 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-04 15:59:40,619 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-09-04 15:59:42,420 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-04 15:59:42,762 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:59:44,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:59:44,391 INFO L93 Difference]: Finished difference Result 2921 states and 3381 transitions. [2020-09-04 15:59:44,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-09-04 15:59:44,391 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 330 [2020-09-04 15:59:44,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:59:44,403 INFO L225 Difference]: With dead ends: 2921 [2020-09-04 15:59:44,403 INFO L226 Difference]: Without dead ends: 1926 [2020-09-04 15:59:44,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1907 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=1278, Invalid=5364, Unknown=0, NotChecked=0, Total=6642 [2020-09-04 15:59:44,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1926 states. [2020-09-04 15:59:45,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1926 to 1443. [2020-09-04 15:59:45,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1443 states. [2020-09-04 15:59:45,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1443 states and 1583 transitions. [2020-09-04 15:59:45,164 INFO L78 Accepts]: Start accepts. Automaton has 1443 states and 1583 transitions. Word has length 330 [2020-09-04 15:59:45,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:59:45,165 INFO L479 AbstractCegarLoop]: Abstraction has 1443 states and 1583 transitions. [2020-09-04 15:59:45,165 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 15:59:45,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1583 transitions. [2020-09-04 15:59:45,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-09-04 15:59:45,172 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:59:45,172 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, 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 15:59:45,173 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 15:59:45,173 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:59:45,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:59:45,173 INFO L82 PathProgramCache]: Analyzing trace with hash -534426062, now seen corresponding path program 1 times [2020-09-04 15:59:45,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:59:45,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1760669780] [2020-09-04 15:59:45,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:59:45,196 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:59:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,597 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:59:45,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:59:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:59:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:59:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:59:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:59:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:59:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:59:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:59:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:59:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:59:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:59:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:59:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:59:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 15:59:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 15:59:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 15:59:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:59:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:59:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:59:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:45,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 15:59:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2020-09-04 15:59:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2020-09-04 15:59:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:59:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:59:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:59:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 15:59:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2020-09-04 15:59:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-04 15:59:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-09-04 15:59:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2020-09-04 15:59:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:59:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:59:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:59:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:59:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2020-09-04 15:59:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2020-09-04 15:59:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:46,266 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 15:59:46,267 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1760669780] [2020-09-04 15:59:46,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:59:46,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-04 15:59:46,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836219247] [2020-09-04 15:59:46,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 15:59:46,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:59:46,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 15:59:46,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-09-04 15:59:46,269 INFO L87 Difference]: Start difference. First operand 1443 states and 1583 transitions. Second operand 17 states. [2020-09-04 15:59:48,662 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:59:48,996 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:59:49,352 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:59:49,704 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:59:50,020 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:59:50,334 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:59:52,984 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:59:53,328 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:59:55,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:59:55,687 INFO L93 Difference]: Finished difference Result 4230 states and 5000 transitions. [2020-09-04 15:59:55,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-09-04 15:59:55,689 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 531 [2020-09-04 15:59:55,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:59:55,705 INFO L225 Difference]: With dead ends: 4230 [2020-09-04 15:59:55,706 INFO L226 Difference]: Without dead ends: 2707 [2020-09-04 15:59:55,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 124 SyntacticMatches, 6 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 516 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=486, Invalid=1676, Unknown=0, NotChecked=0, Total=2162 [2020-09-04 15:59:55,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2707 states. [2020-09-04 15:59:56,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2707 to 1865. [2020-09-04 15:59:56,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1865 states. [2020-09-04 15:59:56,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 1865 states and 2078 transitions. [2020-09-04 15:59:56,621 INFO L78 Accepts]: Start accepts. Automaton has 1865 states and 2078 transitions. Word has length 531 [2020-09-04 15:59:56,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:59:56,621 INFO L479 AbstractCegarLoop]: Abstraction has 1865 states and 2078 transitions. [2020-09-04 15:59:56,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 15:59:56,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2078 transitions. [2020-09-04 15:59:56,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2020-09-04 15:59:56,629 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:59:56,630 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, 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 15:59:56,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 15:59:56,631 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:59:56,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:59:56,631 INFO L82 PathProgramCache]: Analyzing trace with hash -193447125, now seen corresponding path program 1 times [2020-09-04 15:59:56,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:59:56,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1570287763] [2020-09-04 15:59:56,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:59:56,653 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:59:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,143 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:59:57,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:59:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:59:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:59:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:59:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:59:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:59:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:59:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:59:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:59:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:57,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:59:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:59:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:59:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:59:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 15:59:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 15:59:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 15:59:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:59:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:59:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:59:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 15:59:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:59:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-09-04 15:59:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2020-09-04 15:59:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:59:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:59:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:59:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 15:59:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2020-09-04 15:59:57,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-09-04 15:59:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-09-04 15:59:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-09-04 15:59:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:59:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:59:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:59:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:59:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2020-09-04 15:59:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2020-09-04 15:59:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:57,729 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 15:59:57,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1570287763] [2020-09-04 15:59:57,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:59:57,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 15:59:57,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548830802] [2020-09-04 15:59:57,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 15:59:57,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:59:57,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 15:59:57,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-09-04 15:59:57,732 INFO L87 Difference]: Start difference. First operand 1865 states and 2078 transitions. Second operand 19 states. [2020-09-04 15:59:58,396 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:59:58,841 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:59:59,180 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:59:59,513 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:59:59,846 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 16:00:00,164 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 16:00:01,452 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 16:00:01,769 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 16:00:03,557 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 16:00:04,073 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 16:00:04,596 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 16:00:05,351 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 16:00:06,806 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 16:00:07,128 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 16:00:08,291 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 16:00:08,646 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 16:00:08,964 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 16:00:10,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:00:10,778 INFO L93 Difference]: Finished difference Result 3920 states and 4580 transitions. [2020-09-04 16:00:10,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-09-04 16:00:10,778 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 541 [2020-09-04 16:00:10,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:00:10,791 INFO L225 Difference]: With dead ends: 3920 [2020-09-04 16:00:10,791 INFO L226 Difference]: Without dead ends: 2308 [2020-09-04 16:00:10,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=665, Invalid=2641, Unknown=0, NotChecked=0, Total=3306 [2020-09-04 16:00:10,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2308 states. [2020-09-04 16:00:11,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2308 to 1793. [2020-09-04 16:00:11,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1793 states. [2020-09-04 16:00:11,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1793 states and 1979 transitions. [2020-09-04 16:00:11,417 INFO L78 Accepts]: Start accepts. Automaton has 1793 states and 1979 transitions. Word has length 541 [2020-09-04 16:00:11,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:00:11,417 INFO L479 AbstractCegarLoop]: Abstraction has 1793 states and 1979 transitions. [2020-09-04 16:00:11,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 16:00:11,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 1979 transitions. [2020-09-04 16:00:11,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2020-09-04 16:00:11,425 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:00:11,426 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:00:11,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 16:00:11,426 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:00:11,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:00:11,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1594060712, now seen corresponding path program 1 times [2020-09-04 16:00:11,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:00:11,427 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [866968771] [2020-09-04 16:00:11,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:00:11,451 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:00:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,837 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 16:00:11,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:00:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 16:00:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 16:00:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 16:00:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 16:00:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 16:00:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 16:00:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:00:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 16:00:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:00:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:00:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 16:00:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:00:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 16:00:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:00:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:00:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:00:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 16:00:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 16:00:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 16:00:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:00:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:00:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 16:00:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:00:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:00:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 16:00:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 16:00:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 16:00:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 16:00:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:11,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 16:00:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:12,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:00:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:12,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:00:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:12,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 16:00:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:12,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:00:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:12,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:12,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:00:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:12,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 16:00:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:12,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 16:00:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:12,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:12,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2020-09-04 16:00:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:12,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2020-09-04 16:00:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:12,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:00:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:12,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-09-04 16:00:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:12,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:12,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:12,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:00:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:12,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 16:00:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:12,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:00:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:12,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:00:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:12,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:00:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:12,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2020-09-04 16:00:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:12,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2020-09-04 16:00:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:12,375 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 16:00:12,376 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [866968771] [2020-09-04 16:00:12,376 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:00:12,376 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-04 16:00:12,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010415134] [2020-09-04 16:00:12,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 16:00:12,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:00:12,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 16:00:12,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-09-04 16:00:12,378 INFO L87 Difference]: Start difference. First operand 1793 states and 1979 transitions. Second operand 13 states. [2020-09-04 16:00:15,316 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 16:00:15,633 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 16:00:15,945 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 16:00:16,259 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 16:00:16,582 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 16:00:16,874 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 16:00:18,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:00:18,034 INFO L93 Difference]: Finished difference Result 3822 states and 4424 transitions. [2020-09-04 16:00:18,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 16:00:18,034 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 538 [2020-09-04 16:00:18,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:00:18,046 INFO L225 Difference]: With dead ends: 3822 [2020-09-04 16:00:18,047 INFO L226 Difference]: Without dead ends: 2282 [2020-09-04 16:00:18,051 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=203, Invalid=499, Unknown=0, NotChecked=0, Total=702 [2020-09-04 16:00:18,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2282 states. [2020-09-04 16:00:18,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2282 to 1817. [2020-09-04 16:00:18,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1817 states. [2020-09-04 16:00:18,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1817 states and 2003 transitions. [2020-09-04 16:00:18,838 INFO L78 Accepts]: Start accepts. Automaton has 1817 states and 2003 transitions. Word has length 538 [2020-09-04 16:00:18,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:00:18,839 INFO L479 AbstractCegarLoop]: Abstraction has 1817 states and 2003 transitions. [2020-09-04 16:00:18,839 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 16:00:18,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 2003 transitions. [2020-09-04 16:00:18,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2020-09-04 16:00:18,847 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:00:18,847 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, 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 16:00:18,847 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 16:00:18,847 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:00:18,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:00:18,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1226583404, now seen corresponding path program 1 times [2020-09-04 16:00:18,848 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:00:18,848 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1380766924] [2020-09-04 16:00:18,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:00:18,864 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:00:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,282 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 16:00:19,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:00:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 16:00:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 16:00:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 16:00:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 16:00:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 16:00:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 16:00:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:00:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 16:00:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:00:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:00:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 16:00:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:00:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 16:00:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:00:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:00:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:00:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 16:00:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 16:00:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 16:00:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:00:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:00:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 16:00:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:00:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:00:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 16:00:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 16:00:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 16:00:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 16:00:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 16:00:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:00:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:00:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 16:00:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:00:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:00:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 16:00:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:19,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 16:00:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:20,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:20,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-09-04 16:00:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:20,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2020-09-04 16:00:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:20,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-09-04 16:00:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:20,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:00:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:20,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2020-09-04 16:00:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:20,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:20,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:20,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:00:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:20,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 16:00:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:20,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:00:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:20,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:00:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:20,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:00:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:20,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-09-04 16:00:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:20,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2020-09-04 16:00:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:20,566 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 16:00:20,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1380766924] [2020-09-04 16:00:20,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:00:20,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-09-04 16:00:20,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105510684] [2020-09-04 16:00:20,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 16:00:20,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:00:20,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 16:00:20,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-09-04 16:00:20,570 INFO L87 Difference]: Start difference. First operand 1817 states and 2003 transitions. Second operand 18 states. [2020-09-04 16:00:21,174 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 16:00:23,491 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 16:00:23,852 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 16:00:24,508 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 16:00:24,841 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 16:00:25,554 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 16:00:25,896 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 16:00:26,506 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 16:00:26,862 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 16:00:27,246 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 16:00:27,573 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 16:00:27,890 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 16:00:30,091 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 16:00:30,453 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 16:00:33,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:00:33,577 INFO L93 Difference]: Finished difference Result 4098 states and 4814 transitions. [2020-09-04 16:00:33,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-09-04 16:00:33,578 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 542 [2020-09-04 16:00:33,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:00:33,594 INFO L225 Difference]: With dead ends: 4098 [2020-09-04 16:00:33,594 INFO L226 Difference]: Without dead ends: 3029 [2020-09-04 16:00:33,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 137 SyntacticMatches, 8 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1185 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=755, Invalid=3277, Unknown=0, NotChecked=0, Total=4032 [2020-09-04 16:00:33,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3029 states. [2020-09-04 16:00:34,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3029 to 2220. [2020-09-04 16:00:34,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2220 states. [2020-09-04 16:00:34,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 2220 states and 2438 transitions. [2020-09-04 16:00:34,459 INFO L78 Accepts]: Start accepts. Automaton has 2220 states and 2438 transitions. Word has length 542 [2020-09-04 16:00:34,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:00:34,460 INFO L479 AbstractCegarLoop]: Abstraction has 2220 states and 2438 transitions. [2020-09-04 16:00:34,460 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 16:00:34,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 2438 transitions. [2020-09-04 16:00:34,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2020-09-04 16:00:34,470 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:00:34,471 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:00:34,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-04 16:00:34,471 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:00:34,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:00:34,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1229463039, now seen corresponding path program 1 times [2020-09-04 16:00:34,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:00:34,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [330638820] [2020-09-04 16:00:34,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:00:34,491 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:00:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,016 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 16:00:35,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:00:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 16:00:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 16:00:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 16:00:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 16:00:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 16:00:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 16:00:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:00:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 16:00:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:00:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:00:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 16:00:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:00:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 16:00:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:00:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:00:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:00:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 16:00:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 16:00:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 16:00:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:00:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:00:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 16:00:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:00:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:00:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 16:00:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 16:00:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 16:00:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 16:00:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 16:00:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:00:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:00:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 16:00:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:00:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:00:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 16:00:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 16:00:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 16:00:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-09-04 16:00:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-09-04 16:00:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-09-04 16:00:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:00:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2020-09-04 16:00:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:00:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:00:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 16:00:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:00:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:00:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:00:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2020-09-04 16:00:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2020-09-04 16:00:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:00:35,755 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 16:00:35,756 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [330638820] [2020-09-04 16:00:35,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:00:35,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-09-04 16:00:35,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368322783] [2020-09-04 16:00:35,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 16:00:35,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:00:35,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 16:00:35,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-09-04 16:00:35,758 INFO L87 Difference]: Start difference. First operand 2220 states and 2438 transitions. Second operand 18 states. [2020-09-04 16:00:36,395 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 16:00:38,246 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 16:00:39,262 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 16:00:39,620 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 16:00:40,385 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 16:00:40,721 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 16:00:41,371 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-04 16:00:41,704 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 16:00:42,323 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 16:00:42,986 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-04 16:00:43,704 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 16:00:44,323 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-04 16:00:44,619 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 16:00:47,011 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 16:00:47,350 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 16:00:48,881 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 16:00:50,153 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 16:00:50,512 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 16:00:51,136 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 16:00:51,445 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 16:00:52,055 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 16:00:52,366 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 16:00:52,953 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 16:00:53,314 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 16:00:53,696 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 16:00:54,037 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 16:00:58,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:00:58,490 INFO L93 Difference]: Finished difference Result 5478 states and 6488 transitions. [2020-09-04 16:00:58,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2020-09-04 16:00:58,491 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 553 [2020-09-04 16:00:58,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:00:58,512 INFO L225 Difference]: With dead ends: 5478 [2020-09-04 16:00:58,513 INFO L226 Difference]: Without dead ends: 4177 [2020-09-04 16:00:58,521 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 156 SyntacticMatches, 7 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3273 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=1592, Invalid=7720, Unknown=0, NotChecked=0, Total=9312 [2020-09-04 16:00:58,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4177 states. [2020-09-04 16:01:00,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4177 to 2779. [2020-09-04 16:01:00,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2779 states. [2020-09-04 16:01:00,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3046 transitions. [2020-09-04 16:01:00,281 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3046 transitions. Word has length 553 [2020-09-04 16:01:00,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:01:00,281 INFO L479 AbstractCegarLoop]: Abstraction has 2779 states and 3046 transitions. [2020-09-04 16:01:00,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 16:01:00,281 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3046 transitions. [2020-09-04 16:01:00,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 646 [2020-09-04 16:01:00,291 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:01:00,292 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 16:01:00,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-04 16:01:00,292 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:01:00,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:01:00,293 INFO L82 PathProgramCache]: Analyzing trace with hash 551208705, now seen corresponding path program 1 times [2020-09-04 16:01:00,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:01:00,293 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [582916436] [2020-09-04 16:01:00,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:01:00,309 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:01:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:00,780 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 16:01:00,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:01:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:00,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 16:01:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:00,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 16:01:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:00,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 16:01:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:00,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 16:01:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:00,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 16:01:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:00,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 16:01:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:00,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:01:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:00,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 16:01:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:00,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:01:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:00,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:01:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:00,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 16:01:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:00,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:00,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:00,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:01:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:00,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 16:01:00,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:00,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:01:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:00,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:01:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:00,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:01:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:00,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 16:01:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 16:01:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 16:01:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:01:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:01:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 16:01:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:01:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:01:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 16:01:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 16:01:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 16:01:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-09-04 16:01:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-09-04 16:01:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-09-04 16:01:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:01:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:01:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 16:01:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:01:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:01:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 16:01:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 16:01:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 16:01:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-09-04 16:01:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2020-09-04 16:01:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:01:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:01:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 16:01:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:01:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:01:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 16:01:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 16:01:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2020-09-04 16:01:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2020-09-04 16:01:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:01:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2020-09-04 16:01:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:01:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 16:01:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:01:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:01:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:01:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2020-09-04 16:01:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2020-09-04 16:01:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:01,943 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 16:01:01,944 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [582916436] [2020-09-04 16:01:01,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:01:01,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 16:01:01,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931185988] [2020-09-04 16:01:01,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 16:01:01,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:01:01,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 16:01:01,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-09-04 16:01:01,946 INFO L87 Difference]: Start difference. First operand 2779 states and 3046 transitions. Second operand 19 states. [2020-09-04 16:01:02,563 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 16:01:03,623 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 16:01:04,718 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 16:01:05,694 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 16:01:06,054 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 16:01:06,721 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 16:01:07,066 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 16:01:07,676 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 16:01:08,004 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 16:01:08,579 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 16:01:12,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:01:12,655 INFO L93 Difference]: Finished difference Result 5325 states and 6138 transitions. [2020-09-04 16:01:12,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-09-04 16:01:12,656 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 645 [2020-09-04 16:01:12,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:01:12,671 INFO L225 Difference]: With dead ends: 5325 [2020-09-04 16:01:12,672 INFO L226 Difference]: Without dead ends: 3493 [2020-09-04 16:01:12,678 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 163 SyntacticMatches, 10 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 984 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=709, Invalid=2597, Unknown=0, NotChecked=0, Total=3306 [2020-09-04 16:01:12,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3493 states. [2020-09-04 16:01:13,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3493 to 2609. [2020-09-04 16:01:13,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2609 states. [2020-09-04 16:01:13,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2609 states and 2829 transitions. [2020-09-04 16:01:13,521 INFO L78 Accepts]: Start accepts. Automaton has 2609 states and 2829 transitions. Word has length 645 [2020-09-04 16:01:13,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:01:13,522 INFO L479 AbstractCegarLoop]: Abstraction has 2609 states and 2829 transitions. [2020-09-04 16:01:13,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 16:01:13,522 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 2829 transitions. [2020-09-04 16:01:13,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2020-09-04 16:01:13,531 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:01:13,532 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:01:13,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-04 16:01:13,532 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:01:13,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:01:13,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1507476049, now seen corresponding path program 1 times [2020-09-04 16:01:13,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:01:13,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1212569844] [2020-09-04 16:01:13,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:01:13,550 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:01:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,003 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 16:01:14,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:01:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 16:01:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 16:01:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 16:01:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 16:01:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 16:01:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 16:01:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:01:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 16:01:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:01:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:01:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 16:01:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:01:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 16:01:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:01:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:01:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:01:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 16:01:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 16:01:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 16:01:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:01:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:01:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 16:01:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:01:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:01:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 16:01:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 16:01:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 16:01:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 16:01:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 16:01:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:01:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:01:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 16:01:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:01:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:01:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 16:01:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 16:01:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 16:01:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-09-04 16:01:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-09-04 16:01:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-09-04 16:01:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:01:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:01:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 16:01:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:01:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 16:01:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 16:01:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 16:01:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2020-09-04 16:01:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2020-09-04 16:01:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2020-09-04 16:01:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:01:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2020-09-04 16:01:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:01:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:01:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 16:01:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:01:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:01:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:01:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2020-09-04 16:01:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:14,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2020-09-04 16:01:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:15,111 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 16:01:15,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1212569844] [2020-09-04 16:01:15,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:01:15,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-09-04 16:01:15,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088041647] [2020-09-04 16:01:15,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-09-04 16:01:15,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:01:15,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-09-04 16:01:15,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2020-09-04 16:01:15,113 INFO L87 Difference]: Start difference. First operand 2609 states and 2829 transitions. Second operand 24 states. [2020-09-04 16:01:15,828 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 16:01:18,356 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-04 16:01:19,572 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 16:01:19,963 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:01:20,699 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-04 16:01:21,360 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 16:01:22,040 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-09-04 16:01:22,682 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-04 16:01:23,337 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-04 16:01:24,003 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-04 16:01:24,771 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 196 [2020-09-04 16:01:25,431 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-04 16:01:26,017 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-04 16:01:28,741 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-09-04 16:01:29,655 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-09-04 16:01:30,315 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 195 [2020-09-04 16:01:31,036 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-04 16:01:31,698 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-04 16:01:33,177 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-04 16:01:33,837 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2020-09-04 16:01:34,477 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-04 16:01:35,194 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-04 16:01:35,811 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-04 16:01:37,075 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 16:01:37,385 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 16:01:37,927 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:01:38,321 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 16:01:38,716 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 16:01:39,076 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 16:01:39,444 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:01:39,801 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 16:01:40,133 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 16:01:40,496 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 16:01:40,863 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 16:01:41,193 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 16:01:41,513 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 16:01:42,745 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 16:01:43,348 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 16:01:43,688 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 16:01:44,324 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-09-04 16:01:44,962 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 16:01:45,689 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 197 [2020-09-04 16:01:46,013 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 16:01:46,662 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-04 16:01:47,006 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 16:01:47,753 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 202 [2020-09-04 16:01:48,389 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 16:01:49,072 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 197 [2020-09-04 16:01:49,458 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 16:01:49,856 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 16:01:50,210 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 16:01:54,015 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 16:01:54,781 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 196 [2020-09-04 16:01:58,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:01:58,095 INFO L93 Difference]: Finished difference Result 6444 states and 7361 transitions. [2020-09-04 16:01:58,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2020-09-04 16:01:58,096 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 655 [2020-09-04 16:01:58,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:01:58,118 INFO L225 Difference]: With dead ends: 6444 [2020-09-04 16:01:58,118 INFO L226 Difference]: Without dead ends: 4160 [2020-09-04 16:01:58,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 178 SyntacticMatches, 5 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6218 ImplicationChecksByTransitivity, 29.3s TimeCoverageRelationStatistics Valid=2709, Invalid=14321, Unknown=0, NotChecked=0, Total=17030 [2020-09-04 16:01:58,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4160 states. [2020-09-04 16:01:59,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4160 to 2796. [2020-09-04 16:01:59,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2796 states. [2020-09-04 16:01:59,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 3018 transitions. [2020-09-04 16:01:59,326 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 3018 transitions. Word has length 655 [2020-09-04 16:01:59,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:01:59,326 INFO L479 AbstractCegarLoop]: Abstraction has 2796 states and 3018 transitions. [2020-09-04 16:01:59,327 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-09-04 16:01:59,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 3018 transitions. [2020-09-04 16:01:59,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 661 [2020-09-04 16:01:59,335 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:01:59,336 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, 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] [2020-09-04 16:01:59,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-04 16:01:59,337 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:01:59,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:01:59,338 INFO L82 PathProgramCache]: Analyzing trace with hash 218975718, now seen corresponding path program 2 times [2020-09-04 16:01:59,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:01:59,338 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [628067498] [2020-09-04 16:01:59,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:01:59,353 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:01:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:59,935 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 16:01:59,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:01:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:59,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 16:01:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:59,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 16:01:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:59,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 16:01:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:59,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 16:01:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:59,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 16:01:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:59,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 16:01:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:01:59,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:02:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 16:02:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 16:02:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:02:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 16:02:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:02:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:02:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:02:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 16:02:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 16:02:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 16:02:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 16:02:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:02:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:02:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 16:02:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 16:02:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 16:02:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-09-04 16:02:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-09-04 16:02:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-09-04 16:02:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 16:02:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:02:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:02:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 16:02:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 16:02:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 16:02:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-09-04 16:02:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2020-09-04 16:02:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 16:02:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:02:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:02:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 16:02:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 16:02:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 16:02:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2020-09-04 16:02:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2020-09-04 16:02:00,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2020-09-04 16:02:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2020-09-04 16:02:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:02:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 16:02:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:02:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:02:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:02:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2020-09-04 16:02:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:00,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2020-09-04 16:02:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:01,173 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 16:02:01,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [628067498] [2020-09-04 16:02:01,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:02:01,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 16:02:01,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105673849] [2020-09-04 16:02:01,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 16:02:01,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:02:01,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 16:02:01,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2020-09-04 16:02:01,177 INFO L87 Difference]: Start difference. First operand 2796 states and 3018 transitions. Second operand 19 states. [2020-09-04 16:02:01,938 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 16:02:03,092 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 16:02:04,253 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 16:02:05,173 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 16:02:05,514 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 16:02:06,172 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 16:02:06,502 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 16:02:07,133 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-04 16:02:07,454 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 16:02:08,047 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 16:02:11,368 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 16:02:12,178 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 16:02:12,516 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 16:02:13,130 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 16:02:13,776 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 16:02:14,375 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 16:02:19,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:02:19,175 INFO L93 Difference]: Finished difference Result 6133 states and 7017 transitions. [2020-09-04 16:02:19,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-09-04 16:02:19,176 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 660 [2020-09-04 16:02:19,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:02:19,192 INFO L225 Difference]: With dead ends: 6133 [2020-09-04 16:02:19,192 INFO L226 Difference]: Without dead ends: 4294 [2020-09-04 16:02:19,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 180 SyntacticMatches, 9 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2005 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=1292, Invalid=4870, Unknown=0, NotChecked=0, Total=6162 [2020-09-04 16:02:19,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4294 states. [2020-09-04 16:02:20,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4294 to 3037. [2020-09-04 16:02:20,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3037 states. [2020-09-04 16:02:20,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3037 states to 3037 states and 3280 transitions. [2020-09-04 16:02:20,306 INFO L78 Accepts]: Start accepts. Automaton has 3037 states and 3280 transitions. Word has length 660 [2020-09-04 16:02:20,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:02:20,307 INFO L479 AbstractCegarLoop]: Abstraction has 3037 states and 3280 transitions. [2020-09-04 16:02:20,307 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 16:02:20,307 INFO L276 IsEmpty]: Start isEmpty. Operand 3037 states and 3280 transitions. [2020-09-04 16:02:20,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 762 [2020-09-04 16:02:20,314 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:02:20,315 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:02:20,315 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-04 16:02:20,315 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:02:20,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:02:20,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1654059893, now seen corresponding path program 1 times [2020-09-04 16:02:20,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:02:20,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1339084800] [2020-09-04 16:02:20,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:02:20,327 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:02:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,807 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 16:02:20,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 16:02:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 16:02:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 16:02:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 16:02:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 16:02:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 16:02:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:02:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 16:02:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 16:02:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:02:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 16:02:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:02:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:02:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:02:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 16:02:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 16:02:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 16:02:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 16:02:20,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:02:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:02:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 16:02:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 16:02:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 16:02:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 16:02:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 16:02:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:20,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 16:02:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:02:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:02:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 16:02:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 16:02:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 16:02:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-09-04 16:02:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-09-04 16:02:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2020-09-04 16:02:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 16:02:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 16:02:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:02:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 16:02:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 16:02:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 16:02:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2020-09-04 16:02:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2020-09-04 16:02:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2020-09-04 16:02:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 16:02:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:02:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 16:02:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 16:02:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 16:02:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2020-09-04 16:02:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 656 [2020-09-04 16:02:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2020-09-04 16:02:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2020-09-04 16:02:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:02:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 16:02:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:02:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:02:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:02:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 738 [2020-09-04 16:02:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 748 [2020-09-04 16:02:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:21,540 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 16:02:21,540 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1339084800] [2020-09-04 16:02:21,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:02:21,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-04 16:02:21,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039430600] [2020-09-04 16:02:21,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-04 16:02:21,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:02:21,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-04 16:02:21,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-09-04 16:02:21,542 INFO L87 Difference]: Start difference. First operand 3037 states and 3280 transitions. Second operand 12 states. [2020-09-04 16:02:22,148 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 16:02:24,461 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 16:02:26,148 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 16:02:27,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:02:27,844 INFO L93 Difference]: Finished difference Result 5820 states and 6557 transitions. [2020-09-04 16:02:27,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-09-04 16:02:27,845 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 761 [2020-09-04 16:02:27,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:02:27,859 INFO L225 Difference]: With dead ends: 5820 [2020-09-04 16:02:27,859 INFO L226 Difference]: Without dead ends: 3778 [2020-09-04 16:02:27,864 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 183 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=352, Invalid=1288, Unknown=0, NotChecked=0, Total=1640 [2020-09-04 16:02:27,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3778 states. [2020-09-04 16:02:28,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3778 to 2999. [2020-09-04 16:02:28,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2999 states. [2020-09-04 16:02:28,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2999 states to 2999 states and 3224 transitions. [2020-09-04 16:02:28,935 INFO L78 Accepts]: Start accepts. Automaton has 2999 states and 3224 transitions. Word has length 761 [2020-09-04 16:02:28,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:02:28,936 INFO L479 AbstractCegarLoop]: Abstraction has 2999 states and 3224 transitions. [2020-09-04 16:02:28,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-04 16:02:28,936 INFO L276 IsEmpty]: Start isEmpty. Operand 2999 states and 3224 transitions. [2020-09-04 16:02:28,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 763 [2020-09-04 16:02:28,945 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:02:28,946 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:02:28,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-04 16:02:28,946 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:02:28,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:02:28,947 INFO L82 PathProgramCache]: Analyzing trace with hash 431658232, now seen corresponding path program 2 times [2020-09-04 16:02:28,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:02:28,947 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [707340386] [2020-09-04 16:02:28,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:02:28,959 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:02:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,431 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 16:02:29,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 16:02:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 16:02:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 16:02:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 16:02:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 16:02:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 16:02:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:02:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 16:02:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 16:02:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:02:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 16:02:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:02:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:02:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:02:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 16:02:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 16:02:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 16:02:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 16:02:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:02:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:02:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 16:02:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 16:02:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 16:02:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-09-04 16:02:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-09-04 16:02:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-09-04 16:02:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 16:02:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:02:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:02:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 16:02:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-04 16:02:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 16:02:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-09-04 16:02:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2020-09-04 16:02:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 16:02:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:02:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:02:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 16:02:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 16:02:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 16:02:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2020-09-04 16:02:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2020-09-04 16:02:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2020-09-04 16:02:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 16:02:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:02:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 16:02:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 16:02:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 16:02:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 644 [2020-09-04 16:02:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2020-09-04 16:02:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 662 [2020-09-04 16:02:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:02:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:29,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2020-09-04 16:02:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:30,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:30,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 16:02:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:30,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:02:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:30,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 16:02:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:30,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:02:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:30,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 16:02:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:30,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:02:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:30,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 739 [2020-09-04 16:02:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:30,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2020-09-04 16:02:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:02:30,283 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 16:02:30,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [707340386] [2020-09-04 16:02:30,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:02:30,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 16:02:30,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389378895] [2020-09-04 16:02:30,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 16:02:30,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:02:30,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 16:02:30,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2020-09-04 16:02:30,286 INFO L87 Difference]: Start difference. First operand 2999 states and 3224 transitions. Second operand 19 states. [2020-09-04 16:02:31,212 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-04 16:02:32,241 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 16:02:35,333 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 16:02:35,984 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 16:02:36,602 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-04 16:02:37,975 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 16:02:38,428 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:02:38,803 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 16:02:39,178 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 16:02:39,548 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:02:39,898 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 16:02:41,273 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-04 16:02:42,593 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 199 [2020-09-04 16:02:43,294 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 205 [2020-09-04 16:02:44,009 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2020-09-04 16:02:44,693 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 199 [2020-09-04 16:02:45,323 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2020-09-04 16:02:47,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:02:47,469 INFO L93 Difference]: Finished difference Result 4889 states and 5451 transitions. [2020-09-04 16:02:47,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2020-09-04 16:02:47,470 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 762 [2020-09-04 16:02:47,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:02:47,473 INFO L225 Difference]: With dead ends: 4889 [2020-09-04 16:02:47,473 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 16:02:47,484 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 195 SyntacticMatches, 4 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2113 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=1227, Invalid=5415, Unknown=0, NotChecked=0, Total=6642 [2020-09-04 16:02:47,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 16:02:47,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 16:02:47,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 16:02:47,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 16:02:47,485 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 762 [2020-09-04 16:02:47,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:02:47,485 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 16:02:47,486 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 16:02:47,486 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 16:02:47,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 16:02:47,486 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-04 16:02:47,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 16:02:47,706 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:02:48,081 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:02:48,947 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 16:02:49,150 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:02:49,700 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 228 [2020-09-04 16:02:50,538 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 16:02:50,926 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:02:51,702 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 199 [2020-09-04 16:02:52,097 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:02:52,493 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:02:53,203 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 197 [2020-09-04 16:02:53,397 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:02:53,576 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:02:53,971 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:02:54,336 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:02:54,750 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:02:55,145 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:02:56,873 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 255 DAG size of output: 245 [2020-09-04 16:02:58,104 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 249 DAG size of output: 233 [2020-09-04 16:02:58,288 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:02:59,589 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 247 DAG size of output: 233 [2020-09-04 16:03:00,962 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 247 DAG size of output: 233 [2020-09-04 16:03:03,433 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 272 DAG size of output: 233 [2020-09-04 16:03:04,155 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 16:03:04,864 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 16:03:05,593 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 16:03:06,277 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 16:03:06,989 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 16:03:07,697 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 16:03:08,097 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:03:08,275 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:03:08,456 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:03:08,954 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-09-04 16:03:10,017 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 16:03:10,511 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-09-04 16:03:11,125 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 231 [2020-09-04 16:03:11,752 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 233 [2020-09-04 16:03:12,238 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-04 16:03:12,726 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-04 16:03:13,200 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2020-09-04 16:03:13,382 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:03:14,421 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 243 DAG size of output: 242 [2020-09-04 16:03:14,814 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:03:15,204 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:03:15,607 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:03:15,790 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:03:16,185 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:03:16,367 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:03:16,548 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:03:16,726 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:03:16,904 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:03:17,285 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:03:17,904 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 16:03:18,734 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 245 [2020-09-04 16:03:19,554 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 233 [2020-09-04 16:03:20,317 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 245 [2020-09-04 16:03:20,694 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 200 [2020-09-04 16:03:21,063 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 200 [2020-09-04 16:03:21,437 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 200 [2020-09-04 16:03:22,030 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 16:03:22,770 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 16:03:23,374 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 16:03:23,997 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 237 [2020-09-04 16:03:24,760 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 245 [2020-09-04 16:03:25,530 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 245 [2020-09-04 16:03:25,906 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 199 [2020-09-04 16:03:26,287 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 202 [2020-09-04 16:03:26,657 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 199 [2020-09-04 16:03:27,038 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 202 [2020-09-04 16:03:27,813 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 245 [2020-09-04 16:03:28,184 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 199 [2020-09-04 16:03:30,214 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 292 DAG size of output: 261 [2020-09-04 16:03:30,669 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 16:03:31,122 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 16:03:31,564 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 16:03:32,015 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 16:03:32,469 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 16:03:32,940 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 16:03:36,111 WARN L193 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 280 DAG size of output: 264 [2020-09-04 16:03:36,506 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:03:36,895 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:03:37,290 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:03:37,701 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:03:38,097 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:03:38,485 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:03:38,872 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:03:40,194 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 242 DAG size of output: 232 [2020-09-04 16:03:40,379 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:03:40,774 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:03:40,952 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:03:41,348 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:03:41,758 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:03:42,150 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:03:42,334 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:03:42,722 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:03:43,430 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 16:03:43,823 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:03:44,199 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:03:44,569 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:03:45,861 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 247 DAG size of output: 233 [2020-09-04 16:03:46,050 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:03:46,231 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:03:46,613 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:03:46,986 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:03:47,390 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:03:47,586 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 16:03:47,993 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 16:03:48,182 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 16:03:48,566 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:03:48,961 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:03:49,146 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 16:03:49,332 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 16:03:49,518 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 16:03:49,922 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:03:50,315 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:03:52,339 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 260 DAG size of output: 253 [2020-09-04 16:03:52,520 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:03:52,893 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:03:53,283 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:03:53,943 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 204 [2020-09-04 16:03:54,577 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 16:03:55,121 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 230 [2020-09-04 16:03:55,515 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:03:55,919 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:03:56,315 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:03:57,199 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 16:03:57,381 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:03:57,769 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:03:58,139 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:03:58,848 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 16:03:59,230 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:03:59,593 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:03:59,960 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:04:00,145 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:04:00,514 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:04:00,696 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:04:01,707 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 16:04:02,147 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 199 [2020-09-04 16:04:02,535 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:04:02,931 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:04:03,323 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:04:03,727 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:04:04,100 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:04:05,842 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 261 DAG size of output: 247 [2020-09-04 16:04:06,243 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:04:06,654 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:04:07,217 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 197 [2020-09-04 16:04:07,879 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 206 [2020-09-04 16:04:08,261 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:04:08,649 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:04:09,037 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:04:09,431 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:04:09,613 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:04:11,082 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 259 DAG size of output: 206 [2020-09-04 16:04:11,477 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:04:11,654 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:04:11,830 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:04:12,229 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:04:12,604 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:04:12,991 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:04:13,365 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:04:14,447 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 16:04:14,812 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:04:15,984 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 245 DAG size of output: 243 [2020-09-04 16:04:16,661 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 233 [2020-09-04 16:04:17,055 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:04:17,658 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 200 [2020-09-04 16:04:18,047 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:04:18,674 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 16:04:19,973 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 247 DAG size of output: 233 [2020-09-04 16:04:21,275 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 247 DAG size of output: 233 [2020-09-04 16:04:22,085 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 16:04:22,894 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 16:04:23,707 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 16:04:24,520 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 16:04:25,492 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 236 [2020-09-04 16:04:26,266 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 16:04:27,239 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 236 [2020-09-04 16:04:28,013 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 16:04:28,986 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 236 [2020-09-04 16:04:29,814 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 16:04:30,626 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 16:04:31,431 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:04:32,237 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:04:33,383 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 249 DAG size of output: 232 [2020-09-04 16:04:34,530 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 249 DAG size of output: 232 [2020-09-04 16:04:35,683 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 249 DAG size of output: 232 [2020-09-04 16:04:36,656 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 236 [2020-09-04 16:04:37,803 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 249 DAG size of output: 232 [2020-09-04 16:04:38,774 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 236 [2020-09-04 16:04:39,587 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:04:40,391 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:04:41,362 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 236 [2020-09-04 16:04:42,335 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 236 [2020-09-04 16:04:43,156 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 16:04:43,528 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:04:44,338 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 16:04:44,710 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:04:45,509 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:04:46,305 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:05:01,857 WARN L193 SmtUtils]: Spent 15.55 s on a formula simplification. DAG size of input: 950 DAG size of output: 682 [2020-09-04 16:05:04,487 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 266 DAG size of output: 261 [2020-09-04 16:05:04,898 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:05:05,335 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 16:05:05,754 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:05:07,031 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 16:05:07,835 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 248 [2020-09-04 16:05:08,593 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 236 [2020-09-04 16:05:09,051 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-09-04 16:05:09,521 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-09-04 16:05:09,979 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-09-04 16:05:11,132 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 246 DAG size of output: 237 [2020-09-04 16:05:11,547 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:05:11,998 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-09-04 16:05:12,431 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 16:05:13,076 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 16:05:13,484 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:05:13,909 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 16:05:14,339 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 16:05:14,759 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 16:05:15,192 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 16:05:15,609 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 16:05:16,866 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 16:05:17,868 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 227 DAG size of output: 219 [2020-09-04 16:05:18,321 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-09-04 16:05:18,748 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 16:05:19,204 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-09-04 16:05:19,673 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-09-04 16:05:20,109 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 16:05:22,144 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 276 DAG size of output: 264 [2020-09-04 16:05:22,575 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 16:05:23,016 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 16:05:24,098 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 228 DAG size of output: 223 [2020-09-04 16:05:25,273 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 249 DAG size of output: 244 [2020-09-04 16:05:25,685 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:05:26,137 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-09-04 16:05:26,589 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-09-04 16:05:27,048 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-09-04 16:05:27,465 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:05:29,330 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 265 DAG size of output: 254 [2020-09-04 16:05:29,756 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 16:05:30,166 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:05:30,576 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:05:31,003 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 16:05:31,442 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 16:05:31,895 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 16:05:32,332 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 16:05:33,589 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 250 DAG size of output: 245 [2020-09-04 16:05:34,017 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 16:05:35,573 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 251 DAG size of output: 249 [2020-09-04 16:05:37,097 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 261 DAG size of output: 253 [2020-09-04 16:05:37,555 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-09-04 16:05:38,515 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 16:05:38,968 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 16:05:40,166 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 16:05:40,561 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:05:41,155 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:05:41,339 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:05:41,515 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:05:41,696 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:05:42,082 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:05:42,489 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:05:42,901 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:05:43,088 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:05:43,275 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 16:05:43,452 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:05:43,639 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 16:05:43,828 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:05:45,329 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 252 DAG size of output: 242 [2020-09-04 16:05:45,850 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 16:05:46,359 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 16:05:46,885 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 16:05:47,381 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 16:05:47,892 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 16:05:48,401 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 16:05:51,081 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 275 DAG size of output: 252 [2020-09-04 16:05:51,654 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 16:05:52,215 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 16:05:52,787 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 16:05:53,335 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 16:05:53,897 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 16:05:54,460 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 16:05:55,680 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 249 DAG size of output: 233 [2020-09-04 16:05:56,094 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:05:57,743 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 255 DAG size of output: 245 [2020-09-04 16:05:58,107 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:05:58,913 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 16:05:59,277 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:06:00,050 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 199 [2020-09-04 16:06:00,598 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 228 [2020-09-04 16:06:01,427 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 16:06:02,136 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 197 [2020-09-04 16:06:02,575 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:06:22,037 WARN L193 SmtUtils]: Spent 19.46 s on a formula simplification. DAG size of input: 983 DAG size of output: 737 [2020-09-04 16:06:41,578 WARN L193 SmtUtils]: Spent 19.41 s on a formula simplification. DAG size of input: 983 DAG size of output: 737 [2020-09-04 16:06:41,966 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:06:42,610 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 228 [2020-09-04 16:06:43,827 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 244 DAG size of output: 239 [2020-09-04 16:06:46,533 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 266 DAG size of output: 257 [2020-09-04 16:06:46,921 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:06:47,266 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 198 [2020-09-04 16:06:47,797 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 228 [2020-09-04 16:06:48,614 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 232 [2020-09-04 16:06:50,558 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 265 DAG size of output: 248 [2020-09-04 16:06:51,083 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 16:06:51,876 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 233 [2020-09-04 16:06:52,501 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 197 [2020-09-04 16:06:53,616 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 246 DAG size of output: 241 [2020-09-04 16:06:54,428 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 16:06:55,539 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 244 DAG size of output: 239 [2020-09-04 16:06:56,349 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 232 [2020-09-04 16:06:56,882 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 228 [2020-09-04 16:06:59,594 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 265 DAG size of output: 256 [2020-09-04 16:06:59,982 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:07:00,612 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 16:07:01,145 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 228 [2020-09-04 16:07:02,210 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 16:07:03,458 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 247 DAG size of output: 242 [2020-09-04 16:07:04,058 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 228 [2020-09-04 16:07:04,609 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 16:07:06,308 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 251 DAG size of output: 248 [2020-09-04 16:07:06,933 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 16:07:07,313 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:07:08,286 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 235 [2020-09-04 16:07:08,987 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-09-04 16:07:10,077 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 243 DAG size of output: 238 [2020-09-04 16:07:10,511 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 16:07:10,947 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 16:07:11,388 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 16:07:11,846 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 16:07:12,287 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 16:07:12,721 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 16:07:13,154 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 16:07:14,655 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 16:07:14,869 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 16:07:15,309 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 16:07:15,517 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 16:07:15,960 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 16:07:16,416 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 16:07:16,853 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 16:07:17,068 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 16:07:17,501 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 16:07:18,207 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 241 [2020-09-04 16:07:18,646 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 16:07:19,065 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:07:19,479 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 16:07:20,855 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 255 DAG size of output: 241 [2020-09-04 16:07:21,071 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-09-04 16:07:21,284 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-09-04 16:07:21,710 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 16:07:22,128 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:07:22,578 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 16:07:22,978 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:07:23,429 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 16:07:23,882 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 16:07:24,324 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 16:07:24,775 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 16:07:25,229 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 16:07:25,698 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 16:07:27,507 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-09-04 16:07:27,909 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:07:28,308 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:07:28,764 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 16:07:29,218 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 16:07:29,671 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 16:07:30,081 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:07:30,533 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 16:07:30,749 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-04 16:07:30,963 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-04 16:07:31,176 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-04 16:07:31,572 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:07:32,006 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 16:07:32,429 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 16:07:32,851 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 16:07:33,258 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 16:07:33,672 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 16:07:34,918 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 249 DAG size of output: 234 [2020-09-04 16:07:35,335 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 16:07:35,749 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 16:07:36,179 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 16:07:36,612 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 16:07:37,090 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 16:07:37,502 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 16:07:37,909 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 16:07:38,330 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 16:07:39,204 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 240 [2020-09-04 16:07:39,598 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 16:07:40,010 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 16:07:40,434 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 16:07:40,856 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 16:07:42,088 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 254 DAG size of output: 235 [2020-09-04 16:07:42,476 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 16:07:42,868 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 16:07:43,267 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 16:07:43,689 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 16:07:44,102 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 16:07:44,517 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 16:07:44,979 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 16:07:45,443 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 243 [2020-09-04 16:07:45,908 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 243 [2020-09-04 16:07:46,337 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 16:07:46,773 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 16:07:48,071 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 255 DAG size of output: 243 [2020-09-04 16:07:48,529 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 243 [2020-09-04 16:07:48,986 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 243 [2020-09-04 16:07:49,458 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 245 [2020-09-04 16:07:49,930 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 245 [2020-09-04 16:07:50,386 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 16:07:50,821 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 16:07:51,249 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 16:07:51,713 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 243 [2020-09-04 16:07:52,890 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 254 DAG size of output: 248 [2020-09-04 16:07:53,305 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 16:07:53,740 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 16:07:54,206 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 244 [2020-09-04 16:07:54,670 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 244 [2020-09-04 16:07:56,186 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 260 DAG size of output: 237 [2020-09-04 16:07:56,595 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 16:07:57,011 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 16:07:57,432 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 16:07:57,876 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 16:07:58,306 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 16:07:58,742 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 16:07:59,344 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 228 [2020-09-04 16:08:00,556 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 244 DAG size of output: 239 [2020-09-04 16:08:03,260 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 266 DAG size of output: 257 [2020-09-04 16:08:03,648 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:08:03,994 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 198 [2020-09-04 16:08:04,524 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 228 [2020-09-04 16:08:05,340 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 232 [2020-09-04 16:08:07,280 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 265 DAG size of output: 248 [2020-09-04 16:08:07,804 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 16:08:08,598 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 233 [2020-09-04 16:08:09,222 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 197 [2020-09-04 16:08:10,337 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 246 DAG size of output: 241 [2020-09-04 16:08:11,148 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 16:08:12,259 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 244 DAG size of output: 239 [2020-09-04 16:08:13,069 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 232 [2020-09-04 16:08:13,601 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 228 [2020-09-04 16:08:16,312 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 265 DAG size of output: 256 [2020-09-04 16:08:16,700 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:08:17,323 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 16:08:17,857 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 228 [2020-09-04 16:08:18,923 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 16:08:20,171 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 247 DAG size of output: 242 [2020-09-04 16:08:20,770 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 228 [2020-09-04 16:08:21,321 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 16:08:23,017 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 251 DAG size of output: 248 [2020-09-04 16:08:23,640 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 16:08:24,020 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:08:24,992 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 235 [2020-09-04 16:08:25,692 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-09-04 16:08:26,783 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 243 DAG size of output: 238 [2020-09-04 16:08:28,076 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 247 DAG size of output: 233 [2020-09-04 16:08:28,500 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:08:28,888 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:08:29,275 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:08:29,663 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:08:30,057 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:08:31,421 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 242 DAG size of output: 232 [2020-09-04 16:08:31,600 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:08:31,776 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:08:32,171 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:08:32,565 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:08:32,982 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:08:33,375 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:08:33,560 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:08:33,947 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:08:34,653 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 16:08:35,029 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:08:35,423 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:08:35,605 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:08:35,787 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:08:37,074 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 247 DAG size of output: 233 [2020-09-04 16:08:37,443 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:08:37,816 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:08:38,197 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:08:38,600 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:08:38,989 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:08:39,385 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:08:39,816 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 16:08:40,239 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 16:08:40,661 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 16:08:41,069 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 16:08:41,483 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 16:08:42,762 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 249 DAG size of output: 234 [2020-09-04 16:08:43,179 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 16:08:43,594 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 16:08:44,024 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 16:08:44,454 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 16:08:44,896 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 16:08:45,310 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 16:08:45,718 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 16:08:46,140 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 16:08:47,015 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 240 [2020-09-04 16:08:47,422 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 16:08:47,841 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 16:08:48,267 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 16:08:48,690 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 16:08:49,921 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 254 DAG size of output: 235 [2020-09-04 16:08:50,309 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 16:08:50,701 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 16:08:51,098 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 16:08:51,521 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 16:08:51,930 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 16:08:52,345 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 16:08:54,834 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 249 DAG size of output: 233 [2020-09-04 16:08:55,248 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:08:56,894 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 255 DAG size of output: 245 [2020-09-04 16:08:57,258 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:08:58,063 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 16:08:58,427 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:08:59,199 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 199 [2020-09-04 16:08:59,739 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 228 [2020-09-04 16:09:00,567 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 16:09:01,276 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 197 [2020-09-04 16:09:01,669 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:09:06,428 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 247 DAG size of output: 233 [2020-09-04 16:09:07,728 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 247 DAG size of output: 233 [2020-09-04 16:09:08,141 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:09:08,541 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:09:08,983 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:09:09,363 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 16:09:09,763 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:09:10,162 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:09:10,343 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:09:10,519 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:09:11,020 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-09-04 16:09:12,090 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 16:09:12,589 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-09-04 16:09:13,195 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 16:09:13,826 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 16:09:14,317 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-04 16:09:14,808 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-04 16:09:15,288 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-09-04 16:09:15,467 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:09:16,515 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 245 DAG size of output: 244 [2020-09-04 16:09:18,828 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 269 DAG size of output: 233 [2020-09-04 16:09:19,441 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 16:09:20,043 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 16:09:20,654 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 16:09:21,233 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 16:09:21,836 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 16:09:22,439 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 16:09:32,741 WARN L193 SmtUtils]: Spent 10.30 s on a formula simplification. DAG size of input: 802 DAG size of output: 585 [2020-09-04 16:09:33,135 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:09:33,528 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:09:34,819 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 247 DAG size of output: 233 [2020-09-04 16:09:35,224 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:09:35,621 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:09:35,798 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:09:35,985 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 16:09:36,172 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 16:09:36,553 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:09:36,967 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:09:37,362 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:09:38,816 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 16:09:40,106 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 247 DAG size of output: 233 [2020-09-04 16:09:40,989 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 16:09:42,282 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 247 DAG size of output: 233 [2020-09-04 16:09:42,697 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 16:09:43,105 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 16:09:43,494 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:09:43,903 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 16:09:44,314 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 16:09:44,705 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:09:45,105 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:09:45,282 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:09:45,458 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:09:46,007 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-09-04 16:09:47,078 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 16:09:47,576 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-09-04 16:09:48,181 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 16:09:48,808 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 16:09:49,299 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-04 16:09:49,792 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-04 16:09:50,270 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-09-04 16:09:50,450 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:09:51,495 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 245 DAG size of output: 244 [2020-09-04 16:09:51,976 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-04 16:09:52,446 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 16:09:52,623 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:09:53,645 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 16:09:53,823 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:09:54,433 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:09:55,478 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 16:09:55,954 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-04 16:09:56,424 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-04 16:09:57,051 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:09:57,233 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:09:57,716 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-04 16:09:58,127 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 16:09:59,379 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 257 DAG size of output: 248 [2020-09-04 16:10:00,263 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 242 [2020-09-04 16:10:01,644 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 258 DAG size of output: 249 [2020-09-04 16:10:02,785 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 232 DAG size of output: 222 [2020-09-04 16:10:03,566 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 214 [2020-09-04 16:10:03,984 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 16:10:04,710 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 16:10:05,156 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 16:10:06,906 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-09-04 16:10:08,535 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-09-04 16:10:08,854 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 207 [2020-09-04 16:10:09,505 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 245 [2020-09-04 16:10:10,015 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 207 [2020-09-04 16:10:10,319 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 205 [2020-09-04 16:10:10,946 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 241 [2020-09-04 16:10:11,598 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 245 [2020-09-04 16:10:12,402 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 241 [2020-09-04 16:10:13,055 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 245 [2020-09-04 16:10:13,355 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 205 [2020-09-04 16:10:13,850 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 237 [2020-09-04 16:10:14,490 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 16:10:14,814 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 207 [2020-09-04 16:10:15,133 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 207 [2020-09-04 16:10:15,650 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 239 [2020-09-04 16:10:16,305 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 245 [2020-09-04 16:10:16,606 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 205 [2020-09-04 16:10:18,535 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 287 DAG size of output: 262 [2020-09-04 16:10:19,188 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 245 [2020-09-04 16:10:19,508 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 207 [2020-09-04 16:10:19,687 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:10:20,082 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:10:20,675 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:10:20,858 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:10:21,040 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:10:21,217 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:10:21,610 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:10:22,904 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 247 DAG size of output: 233 [2020-09-04 16:10:23,284 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:10:23,682 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:10:24,092 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:10:24,462 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:10:24,858 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:10:25,254 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:10:25,437 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:10:25,623 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 16:10:25,800 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:10:25,987 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 16:10:26,186 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 28 [2020-09-04 16:10:26,381 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 28 [2020-09-04 16:10:26,576 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 28 [2020-09-04 16:10:26,772 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 28 [2020-09-04 16:10:27,032 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 28 [2020-09-04 16:10:27,370 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 29 [2020-09-04 16:10:27,631 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 28 [2020-09-04 16:10:27,968 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 29 [2020-09-04 16:10:28,229 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 28 [2020-09-04 16:10:28,823 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 229 [2020-09-04 16:10:29,410 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 229 [2020-09-04 16:10:30,207 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 229 [2020-09-04 16:10:30,997 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 229 [2020-09-04 16:10:31,193 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 28 [2020-09-04 16:10:31,387 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 28 [2020-09-04 16:10:31,584 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 27 [2020-09-04 16:10:31,781 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 27 [2020-09-04 16:10:32,165 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 31 [2020-09-04 16:10:32,549 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 31 [2020-09-04 16:10:32,939 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 31 [2020-09-04 16:10:33,243 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 28 [2020-09-04 16:10:33,627 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 31 [2020-09-04 16:10:33,888 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 28 [2020-09-04 16:10:34,092 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 27 [2020-09-04 16:10:34,289 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 27 [2020-09-04 16:10:34,552 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 28 [2020-09-04 16:10:34,815 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 28 [2020-09-04 16:10:35,615 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 229 [2020-09-04 16:10:36,407 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 229 [2020-09-04 16:10:36,599 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 28 [2020-09-04 16:10:36,778 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 29 [2020-09-04 16:10:36,969 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 28 [2020-09-04 16:10:37,147 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 29 [2020-09-04 16:10:37,344 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 27 [2020-09-04 16:10:37,541 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 27 [2020-09-04 16:10:37,721 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:10:38,117 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:10:38,712 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:10:38,895 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:10:39,077 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:10:39,253 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 16:10:39,646 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:10:40,942 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 247 DAG size of output: 233 [2020-09-04 16:10:41,323 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:10:41,722 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:10:42,131 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:10:42,501 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:10:42,895 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:10:43,292 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:10:43,474 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:10:43,661 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 16:10:43,838 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:10:44,025 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 16:10:57,576 WARN L193 SmtUtils]: Spent 13.55 s on a formula simplification. DAG size of input: 698 DAG size of output: 516 [2020-09-04 16:10:57,970 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:10:58,374 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:10:58,769 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:10:59,143 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:10:59,536 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:10:59,931 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:11:10,340 WARN L193 SmtUtils]: Spent 10.41 s on a formula simplification. DAG size of input: 802 DAG size of output: 585 [2020-09-04 16:11:11,249 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 29 [2020-09-04 16:11:11,611 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 29 [2020-09-04 16:11:11,972 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 29 [2020-09-04 16:11:12,358 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 34 [2020-09-04 16:11:12,742 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 35 [2020-09-04 16:11:13,105 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 30 [2020-09-04 16:11:13,471 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 30 [2020-09-04 16:11:13,837 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 30 [2020-09-04 16:11:14,744 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 237 [2020-09-04 16:11:15,652 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 237 [2020-09-04 16:11:31,295 WARN L193 SmtUtils]: Spent 15.64 s on a formula simplification. DAG size of input: 950 DAG size of output: 682 [2020-09-04 16:11:31,668 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:11:32,297 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 16:11:32,923 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 16:11:33,293 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:11:33,856 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 197 [2020-09-04 16:11:34,422 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 197 [2020-09-04 16:11:35,085 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 206 [2020-09-04 16:11:36,832 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 261 DAG size of output: 247 [2020-09-04 16:11:37,493 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 206 [2020-09-04 16:11:39,231 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 261 DAG size of output: 247 [2020-09-04 16:11:39,619 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:11:41,368 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 261 DAG size of output: 247 [2020-09-04 16:11:41,756 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:11:42,151 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:11:42,544 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:11:43,184 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 204 [2020-09-04 16:11:44,923 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 261 DAG size of output: 247 [2020-09-04 16:11:46,663 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 261 DAG size of output: 247 [2020-09-04 16:11:47,301 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 204 [2020-09-04 16:11:47,675 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:11:48,049 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:11:48,424 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:11:48,796 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:11:49,940 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 255 DAG size of output: 209 [2020-09-04 16:11:51,080 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 255 DAG size of output: 209 [2020-09-04 16:11:51,257 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 16:11:51,433 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198