/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 04:38:20,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:38:20,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:38:20,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:38:20,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:38:20,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:38:20,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:38:20,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:38:20,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:38:20,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:38:20,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:38:20,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:38:20,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:38:20,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:38:20,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:38:20,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:38:20,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:38:20,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:38:20,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:38:20,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:38:20,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:38:20,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:38:20,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:38:20,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:38:20,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 04:38:20,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 04:38:20,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 04:38:20,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 04:38:20,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 04:38:20,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 04:38:20,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:38:20,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:38:20,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:38:20,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:38:20,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:38:20,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:38:20,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:38:20,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:38:20,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:38:20,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:38:20,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:38:20,637 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 04:38:20,651 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:38:20,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:38:20,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:38:20,656 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:38:20,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:38:20,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:38:20,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:38:20,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:38:20,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:38:20,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:38:20,659 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:38:20,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:38:20,659 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:38:20,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:38:20,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:38:20,660 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:38:20,660 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:38:20,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:38:20,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:38:20,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:38:20,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:38:20,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:38:20,661 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:38:21,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:38:21,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:38:21,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:38:21,122 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:38:21,123 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:38:21,124 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2020-11-07 04:38:21,215 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eb084137/b16138d039144af7948e5881380a48cc/FLAGffb720760 [2020-11-07 04:38:21,970 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:38:21,971 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2020-11-07 04:38:21,996 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eb084137/b16138d039144af7948e5881380a48cc/FLAGffb720760 [2020-11-07 04:38:22,213 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eb084137/b16138d039144af7948e5881380a48cc [2020-11-07 04:38:22,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:38:22,249 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:38:22,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:38:22,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:38:22,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:38:22,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:38:22" (1/1) ... [2020-11-07 04:38:22,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37159f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:38:22, skipping insertion in model container [2020-11-07 04:38:22,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:38:22" (1/1) ... [2020-11-07 04:38:22,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:38:22,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:38:22,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:38:22,676 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:38:22,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:38:22,853 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:38:22,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:38:22 WrapperNode [2020-11-07 04:38:22,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:38:22,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:38:22,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:38:22,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:38:22,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:38:22" (1/1) ... [2020-11-07 04:38:22,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:38:22" (1/1) ... [2020-11-07 04:38:22,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:38:22" (1/1) ... [2020-11-07 04:38:22,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:38:22" (1/1) ... [2020-11-07 04:38:22,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:38:22" (1/1) ... [2020-11-07 04:38:22,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:38:22" (1/1) ... [2020-11-07 04:38:22,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:38:22" (1/1) ... [2020-11-07 04:38:22,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:38:22,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:38:22,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:38:22,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:38:22,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:38:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-11-07 04:38:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:38:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:38:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 04:38:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:38:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 04:38:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 04:38:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:38:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 04:38:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-11-07 04:38:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 04:38:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 04:38:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 04:38:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 04:38:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 04:38:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 04:38:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-11-07 04:38:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-11-07 04:38:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-07 04:38:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 04:38:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:38:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:38:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:38:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 04:38:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 04:38:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 04:38:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 04:38:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 04:38:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 04:38:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 04:38:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 04:38:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 04:38:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 04:38:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:38:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 04:38:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 04:38:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 04:38:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 04:38:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 04:38:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 04:38:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 04:38:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 04:38:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 04:38:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 04:38:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 04:38:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 04:38:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-11-07 04:38:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:38:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:38:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:38:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:38:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:38:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 04:38:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 04:38:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 04:38:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 04:38:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 04:38:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-11-07 04:38:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 04:38:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 04:38:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 04:38:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 04:38:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 04:38:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-11-07 04:38:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-07 04:38:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:38:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:38:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 04:38:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 04:38:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 04:38:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:38:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-11-07 04:38:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-11-07 04:38:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 04:38:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 04:38:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 04:38:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 04:38:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 04:38:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 04:38:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 04:38:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:38:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 04:38:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 04:38:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 04:38:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 04:38:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 04:38:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:38:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 04:38:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 04:38:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:38:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 04:38:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 04:38:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:38:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 04:38:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 04:38:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 04:38:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 04:38:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 04:38:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 04:38:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 04:38:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 04:38:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 04:38:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:38:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 04:38:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:38:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:38:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:38:24,376 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:38:24,376 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 04:38:24,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:38:24 BoogieIcfgContainer [2020-11-07 04:38:24,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:38:24,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:38:24,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:38:24,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:38:24,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:38:22" (1/3) ... [2020-11-07 04:38:24,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a8163c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:38:24, skipping insertion in model container [2020-11-07 04:38:24,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:38:22" (2/3) ... [2020-11-07 04:38:24,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a8163c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:38:24, skipping insertion in model container [2020-11-07 04:38:24,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:38:24" (3/3) ... [2020-11-07 04:38:24,388 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product60.cil.c [2020-11-07 04:38:24,403 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:38:24,408 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 04:38:24,420 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 04:38:24,444 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:38:24,444 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:38:24,444 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:38:24,444 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:38:24,445 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:38:24,445 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:38:24,445 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:38:24,445 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:38:24,470 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states. [2020-11-07 04:38:24,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-07 04:38:24,491 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:38:24,492 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] [2020-11-07 04:38:24,493 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:38:24,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:38:24,499 INFO L82 PathProgramCache]: Analyzing trace with hash 455317414, now seen corresponding path program 1 times [2020-11-07 04:38:24,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:38:24,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1752657786] [2020-11-07 04:38:24,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:38:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:25,362 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:38:25,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:25,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:38:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:25,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:38:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:25,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:38:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:25,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:38:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:25,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:38:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:25,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 04:38:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:25,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:25,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-11-07 04:38:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:25,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-11-07 04:38:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:25,625 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:38:25,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1752657786] [2020-11-07 04:38:25,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:38:25,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 04:38:25,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048030676] [2020-11-07 04:38:25,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 04:38:25,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:38:25,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 04:38:25,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:38:25,660 INFO L87 Difference]: Start difference. First operand 366 states. Second operand 4 states. [2020-11-07 04:38:27,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:38:27,740 INFO L93 Difference]: Finished difference Result 588 states and 685 transitions. [2020-11-07 04:38:27,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-07 04:38:27,742 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-11-07 04:38:27,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:38:27,761 INFO L225 Difference]: With dead ends: 588 [2020-11-07 04:38:27,762 INFO L226 Difference]: Without dead ends: 363 [2020-11-07 04:38:27,768 INFO L677 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 [2020-11-07 04:38:27,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-11-07 04:38:27,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 312. [2020-11-07 04:38:27,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2020-11-07 04:38:28,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 339 transitions. [2020-11-07 04:38:28,002 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 339 transitions. Word has length 166 [2020-11-07 04:38:28,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:38:28,003 INFO L481 AbstractCegarLoop]: Abstraction has 312 states and 339 transitions. [2020-11-07 04:38:28,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 04:38:28,003 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 339 transitions. [2020-11-07 04:38:28,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-07 04:38:28,008 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:38:28,008 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] [2020-11-07 04:38:28,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:38:28,009 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:38:28,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:38:28,010 INFO L82 PathProgramCache]: Analyzing trace with hash 400671932, now seen corresponding path program 1 times [2020-11-07 04:38:28,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:38:28,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [177186194] [2020-11-07 04:38:28,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:38:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:28,466 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:38:28,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:28,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:38:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:28,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:38:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:28,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:38:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:28,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:38:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:28,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:38:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:28,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:38:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:28,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:28,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:38:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:28,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:38:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:28,648 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:38:28,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [177186194] [2020-11-07 04:38:28,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:38:28,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 04:38:28,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102448313] [2020-11-07 04:38:28,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 04:38:28,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:38:28,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 04:38:28,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 04:38:28,655 INFO L87 Difference]: Start difference. First operand 312 states and 339 transitions. Second operand 5 states. [2020-11-07 04:38:29,565 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:31,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:38:31,138 INFO L93 Difference]: Finished difference Result 504 states and 565 transitions. [2020-11-07 04:38:31,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-07 04:38:31,140 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-11-07 04:38:31,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:38:31,152 INFO L225 Difference]: With dead ends: 504 [2020-11-07 04:38:31,152 INFO L226 Difference]: Without dead ends: 352 [2020-11-07 04:38:31,155 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-07 04:38:31,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2020-11-07 04:38:31,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 302. [2020-11-07 04:38:31,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-11-07 04:38:31,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 326 transitions. [2020-11-07 04:38:31,278 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 326 transitions. Word has length 167 [2020-11-07 04:38:31,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:38:31,279 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 326 transitions. [2020-11-07 04:38:31,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 04:38:31,280 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 326 transitions. [2020-11-07 04:38:31,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-11-07 04:38:31,282 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:38:31,283 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] [2020-11-07 04:38:31,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 04:38:31,283 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:38:31,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:38:31,284 INFO L82 PathProgramCache]: Analyzing trace with hash -418624897, now seen corresponding path program 1 times [2020-11-07 04:38:31,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:38:31,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1487710755] [2020-11-07 04:38:31,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:38:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:31,768 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:38:31,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:31,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:38:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:31,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:38:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:31,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:38:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:31,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:38:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:31,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:38:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:31,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:38:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:31,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:38:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:31,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:31,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-11-07 04:38:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:31,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-11-07 04:38:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:31,965 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:38:31,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1487710755] [2020-11-07 04:38:31,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:38:31,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:38:31,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105010280] [2020-11-07 04:38:31,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:38:31,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:38:31,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:38:31,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:38:31,968 INFO L87 Difference]: Start difference. First operand 302 states and 326 transitions. Second operand 11 states. [2020-11-07 04:38:32,738 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:38:33,209 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:38:33,671 WARN L194 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:38:34,078 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:38:34,472 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:38:34,871 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:38:36,384 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:39,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:38:39,709 INFO L93 Difference]: Finished difference Result 838 states and 966 transitions. [2020-11-07 04:38:39,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 04:38:39,711 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 180 [2020-11-07 04:38:39,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:38:39,717 INFO L225 Difference]: With dead ends: 838 [2020-11-07 04:38:39,718 INFO L226 Difference]: Without dead ends: 656 [2020-11-07 04:38:39,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-11-07 04:38:39,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2020-11-07 04:38:40,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 551. [2020-11-07 04:38:40,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 551 states. [2020-11-07 04:38:40,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 615 transitions. [2020-11-07 04:38:40,017 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 615 transitions. Word has length 180 [2020-11-07 04:38:40,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:38:40,020 INFO L481 AbstractCegarLoop]: Abstraction has 551 states and 615 transitions. [2020-11-07 04:38:40,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:38:40,020 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 615 transitions. [2020-11-07 04:38:40,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-07 04:38:40,024 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:38:40,025 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] [2020-11-07 04:38:40,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 04:38:40,027 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:38:40,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:38:40,028 INFO L82 PathProgramCache]: Analyzing trace with hash -976512945, now seen corresponding path program 1 times [2020-11-07 04:38:40,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:38:40,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [610474661] [2020-11-07 04:38:40,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:38:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:40,517 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:38:40,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:40,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:38:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:40,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:38:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:40,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:38:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:40,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:38:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:40,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:38:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:40,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-11-07 04:38:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:40,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:38:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:40,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:40,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-11-07 04:38:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:40,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-11-07 04:38:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:40,734 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-07 04:38:40,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [610474661] [2020-11-07 04:38:40,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:38:40,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 04:38:40,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87163223] [2020-11-07 04:38:40,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 04:38:40,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:38:40,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 04:38:40,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:38:40,737 INFO L87 Difference]: Start difference. First operand 551 states and 615 transitions. Second operand 10 states. [2020-11-07 04:38:41,432 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:38:42,615 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:38:43,024 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:38:44,640 WARN L194 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:38:45,053 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:38:45,437 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:38:45,978 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:38:46,351 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:38:46,785 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:48,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:38:48,037 INFO L93 Difference]: Finished difference Result 1251 states and 1486 transitions. [2020-11-07 04:38:48,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-07 04:38:48,038 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 185 [2020-11-07 04:38:48,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:38:48,046 INFO L225 Difference]: With dead ends: 1251 [2020-11-07 04:38:48,046 INFO L226 Difference]: Without dead ends: 820 [2020-11-07 04:38:48,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-11-07 04:38:48,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2020-11-07 04:38:48,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 727. [2020-11-07 04:38:48,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 727 states. [2020-11-07 04:38:48,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 815 transitions. [2020-11-07 04:38:48,352 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 815 transitions. Word has length 185 [2020-11-07 04:38:48,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:38:48,353 INFO L481 AbstractCegarLoop]: Abstraction has 727 states and 815 transitions. [2020-11-07 04:38:48,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 04:38:48,353 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 815 transitions. [2020-11-07 04:38:48,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-11-07 04:38:48,358 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:38:48,358 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, 1] [2020-11-07 04:38:48,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 04:38:48,359 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:38:48,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:38:48,359 INFO L82 PathProgramCache]: Analyzing trace with hash 205876605, now seen corresponding path program 1 times [2020-11-07 04:38:48,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:38:48,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1282992752] [2020-11-07 04:38:48,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:38:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,756 WARN L194 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:38:48,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:38:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:38:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:38:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:38:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:38:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:38:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:38:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:38:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:38:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:38:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:38:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:38:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:38:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-11-07 04:38:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-11-07 04:38:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:49,014 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:38:49,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1282992752] [2020-11-07 04:38:49,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:38:49,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:38:49,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309254871] [2020-11-07 04:38:49,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:38:49,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:38:49,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:38:49,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:38:49,017 INFO L87 Difference]: Start difference. First operand 727 states and 815 transitions. Second operand 11 states. [2020-11-07 04:38:50,983 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:38:51,410 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:38:51,824 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:38:52,224 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:52,642 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:38:53,021 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:54,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:38:54,903 INFO L93 Difference]: Finished difference Result 1546 states and 1863 transitions. [2020-11-07 04:38:54,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-07 04:38:54,904 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 240 [2020-11-07 04:38:54,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:38:54,910 INFO L225 Difference]: With dead ends: 1546 [2020-11-07 04:38:54,911 INFO L226 Difference]: Without dead ends: 939 [2020-11-07 04:38:54,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-11-07 04:38:54,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2020-11-07 04:38:55,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 746. [2020-11-07 04:38:55,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2020-11-07 04:38:55,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 835 transitions. [2020-11-07 04:38:55,243 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 835 transitions. Word has length 240 [2020-11-07 04:38:55,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:38:55,244 INFO L481 AbstractCegarLoop]: Abstraction has 746 states and 835 transitions. [2020-11-07 04:38:55,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:38:55,244 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 835 transitions. [2020-11-07 04:38:55,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-11-07 04:38:55,257 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:38:55,257 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, 1] [2020-11-07 04:38:55,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 04:38:55,258 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:38:55,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:38:55,259 INFO L82 PathProgramCache]: Analyzing trace with hash -568821475, now seen corresponding path program 1 times [2020-11-07 04:38:55,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:38:55,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693667930] [2020-11-07 04:38:55,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:38:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:55,707 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:38:55,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:55,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:38:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:55,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:38:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:55,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:38:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:55,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:38:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:55,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:38:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:55,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:38:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:55,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:38:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:55,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:55,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:38:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:55,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:55,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:55,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:38:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:55,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:38:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:55,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:38:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:55,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:38:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:55,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:38:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:55,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-11-07 04:38:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:55,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-11-07 04:38:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:56,071 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:38:56,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693667930] [2020-11-07 04:38:56,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:38:56,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-07 04:38:56,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284106736] [2020-11-07 04:38:56,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 04:38:56,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:38:56,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 04:38:56,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-11-07 04:38:56,075 INFO L87 Difference]: Start difference. First operand 746 states and 835 transitions. Second operand 14 states. [2020-11-07 04:38:56,895 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:38:57,295 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:38:57,694 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:58,078 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:38:58,455 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:59,900 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:39:00,317 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:39:00,750 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:39:01,194 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:39:01,606 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:39:03,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:39:03,616 INFO L93 Difference]: Finished difference Result 1583 states and 1901 transitions. [2020-11-07 04:39:03,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 04:39:03,617 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 240 [2020-11-07 04:39:03,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:39:03,624 INFO L225 Difference]: With dead ends: 1583 [2020-11-07 04:39:03,624 INFO L226 Difference]: Without dead ends: 957 [2020-11-07 04:39:03,627 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-11-07 04:39:03,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2020-11-07 04:39:03,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 758. [2020-11-07 04:39:03,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 758 states. [2020-11-07 04:39:03,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 847 transitions. [2020-11-07 04:39:03,988 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 847 transitions. Word has length 240 [2020-11-07 04:39:03,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:39:03,989 INFO L481 AbstractCegarLoop]: Abstraction has 758 states and 847 transitions. [2020-11-07 04:39:03,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 04:39:03,989 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 847 transitions. [2020-11-07 04:39:03,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-11-07 04:39:03,996 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:39:03,996 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, 1] [2020-11-07 04:39:03,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 04:39:03,997 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:39:03,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:39:03,997 INFO L82 PathProgramCache]: Analyzing trace with hash 496605632, now seen corresponding path program 1 times [2020-11-07 04:39:03,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:39:03,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [61303603] [2020-11-07 04:39:03,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:39:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:04,421 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:39:04,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:04,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:39:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:04,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:39:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:04,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:39:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:04,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:39:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:04,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:39:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:04,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:39:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:04,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:39:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:04,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:04,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:39:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:04,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:04,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:04,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:39:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:04,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:39:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:04,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:39:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:04,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:39:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:04,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:39:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:04,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-11-07 04:39:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:04,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-11-07 04:39:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:04,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:39:04,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [61303603] [2020-11-07 04:39:04,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:39:04,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 04:39:04,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634774769] [2020-11-07 04:39:04,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 04:39:04,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:39:04,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 04:39:04,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-07 04:39:04,667 INFO L87 Difference]: Start difference. First operand 758 states and 847 transitions. Second operand 8 states. [2020-11-07 04:39:05,311 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:39:06,170 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:39:10,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:39:10,298 INFO L93 Difference]: Finished difference Result 2353 states and 2862 transitions. [2020-11-07 04:39:10,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-11-07 04:39:10,299 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 240 [2020-11-07 04:39:10,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:39:10,310 INFO L225 Difference]: With dead ends: 2353 [2020-11-07 04:39:10,311 INFO L226 Difference]: Without dead ends: 1715 [2020-11-07 04:39:10,314 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 51 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-11-07 04:39:10,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2020-11-07 04:39:10,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1446. [2020-11-07 04:39:10,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1446 states. [2020-11-07 04:39:10,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1446 states and 1644 transitions. [2020-11-07 04:39:10,940 INFO L78 Accepts]: Start accepts. Automaton has 1446 states and 1644 transitions. Word has length 240 [2020-11-07 04:39:10,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:39:10,941 INFO L481 AbstractCegarLoop]: Abstraction has 1446 states and 1644 transitions. [2020-11-07 04:39:10,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 04:39:10,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1644 transitions. [2020-11-07 04:39:10,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-11-07 04:39:10,944 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:39:10,944 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, 1, 1, 1, 1, 1, 1] [2020-11-07 04:39:10,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 04:39:10,945 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:39:10,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:39:10,945 INFO L82 PathProgramCache]: Analyzing trace with hash -881316495, now seen corresponding path program 1 times [2020-11-07 04:39:10,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:39:10,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2143314188] [2020-11-07 04:39:10,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:39:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:11,498 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:39:11,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:11,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:39:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:11,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:39:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:11,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:39:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:11,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:39:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:11,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:39:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:11,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:39:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:11,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:39:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:11,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:39:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:11,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:11,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-11-07 04:39:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:11,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:11,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:11,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:39:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:11,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:39:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:11,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:39:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:11,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:39:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:11,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:39:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:11,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-11-07 04:39:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:11,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:39:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:11,797 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:39:11,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2143314188] [2020-11-07 04:39:11,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:39:11,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-11-07 04:39:11,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958492404] [2020-11-07 04:39:11,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-07 04:39:11,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:39:11,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-07 04:39:11,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-11-07 04:39:11,799 INFO L87 Difference]: Start difference. First operand 1446 states and 1644 transitions. Second operand 15 states. [2020-11-07 04:39:12,881 WARN L194 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-07 04:39:13,951 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:39:15,609 WARN L194 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-11-07 04:39:16,391 WARN L194 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:39:16,888 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:39:17,313 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:39:18,113 WARN L194 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-11-07 04:39:18,524 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:39:18,989 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:39:19,389 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:39:23,512 WARN L194 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-11-07 04:39:24,511 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:39:24,967 WARN L194 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:39:25,465 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:39:27,118 WARN L194 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-11-07 04:39:27,867 WARN L194 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-11-07 04:39:28,640 WARN L194 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-11-07 04:39:29,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:39:29,705 INFO L93 Difference]: Finished difference Result 4424 states and 5405 transitions. [2020-11-07 04:39:29,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-11-07 04:39:29,706 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 245 [2020-11-07 04:39:29,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:39:29,726 INFO L225 Difference]: With dead ends: 4424 [2020-11-07 04:39:29,726 INFO L226 Difference]: Without dead ends: 3379 [2020-11-07 04:39:29,733 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1260 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=816, Invalid=3216, Unknown=0, NotChecked=0, Total=4032 [2020-11-07 04:39:29,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3379 states. [2020-11-07 04:39:31,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3379 to 2667. [2020-11-07 04:39:31,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2667 states. [2020-11-07 04:39:31,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2667 states and 3013 transitions. [2020-11-07 04:39:31,265 INFO L78 Accepts]: Start accepts. Automaton has 2667 states and 3013 transitions. Word has length 245 [2020-11-07 04:39:31,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:39:31,266 INFO L481 AbstractCegarLoop]: Abstraction has 2667 states and 3013 transitions. [2020-11-07 04:39:31,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-07 04:39:31,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 3013 transitions. [2020-11-07 04:39:31,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-11-07 04:39:31,273 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:39:31,274 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, 1, 1, 1, 1, 1, 1] [2020-11-07 04:39:31,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 04:39:31,274 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:39:31,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:39:31,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1391984860, now seen corresponding path program 1 times [2020-11-07 04:39:31,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:39:31,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1876897727] [2020-11-07 04:39:31,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:39:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:31,764 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:39:31,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:31,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:39:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:31,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:39:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:31,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:39:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:31,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:39:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:31,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:39:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:31,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:39:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:31,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:39:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:31,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:39:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:31,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:31,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:31,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:39:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:31,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:31,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:31,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:39:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:31,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:39:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:31,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:39:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:31,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:39:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:31,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:39:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:32,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:39:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:32,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:32,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:39:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:32,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:39:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:32,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:32,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-11-07 04:39:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:32,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2020-11-07 04:39:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:32,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:32,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:39:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:32,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:39:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:32,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:32,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-11-07 04:39:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:32,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-11-07 04:39:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:32,328 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-07 04:39:32,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1876897727] [2020-11-07 04:39:32,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:39:32,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:39:32,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552002582] [2020-11-07 04:39:32,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:39:32,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:39:32,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:39:32,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:39:32,331 INFO L87 Difference]: Start difference. First operand 2667 states and 3013 transitions. Second operand 19 states. [2020-11-07 04:39:33,404 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:39:33,808 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:39:34,209 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:39:34,608 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:39:34,985 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:39:36,263 WARN L194 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-11-07 04:39:36,883 WARN L194 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:39:37,377 WARN L194 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:39:37,765 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:39:38,181 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:39:38,760 WARN L194 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:39:39,271 WARN L194 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-11-07 04:39:39,755 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:39:42,626 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:39:44,342 WARN L194 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:39:45,137 WARN L194 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:39:45,982 WARN L194 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:39:46,598 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:39:47,683 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:39:48,499 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:39:48,977 WARN L194 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:39:49,979 WARN L194 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-11-07 04:39:50,830 WARN L194 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-11-07 04:39:52,361 WARN L194 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-11-07 04:39:53,172 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:39:54,045 WARN L194 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-11-07 04:39:56,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:39:56,670 INFO L93 Difference]: Finished difference Result 6025 states and 7089 transitions. [2020-11-07 04:39:56,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-11-07 04:39:56,670 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 336 [2020-11-07 04:39:56,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:39:56,691 INFO L225 Difference]: With dead ends: 6025 [2020-11-07 04:39:56,691 INFO L226 Difference]: Without dead ends: 3744 [2020-11-07 04:39:56,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2458 ImplicationChecksByTransitivity, 14.8s TimeCoverageRelationStatistics Valid=1409, Invalid=6601, Unknown=0, NotChecked=0, Total=8010 [2020-11-07 04:39:56,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2020-11-07 04:39:57,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3093. [2020-11-07 04:39:57,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3093 states. [2020-11-07 04:39:58,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3093 states to 3093 states and 3442 transitions. [2020-11-07 04:39:58,001 INFO L78 Accepts]: Start accepts. Automaton has 3093 states and 3442 transitions. Word has length 336 [2020-11-07 04:39:58,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:39:58,002 INFO L481 AbstractCegarLoop]: Abstraction has 3093 states and 3442 transitions. [2020-11-07 04:39:58,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:39:58,002 INFO L276 IsEmpty]: Start isEmpty. Operand 3093 states and 3442 transitions. [2020-11-07 04:39:58,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2020-11-07 04:39:58,014 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:39:58,015 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:39:58,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 04:39:58,015 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:39:58,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:39:58,016 INFO L82 PathProgramCache]: Analyzing trace with hash 2000876231, now seen corresponding path program 1 times [2020-11-07 04:39:58,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:39:58,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [714177110] [2020-11-07 04:39:58,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:39:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,524 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:39:58,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:39:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:39:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:39:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:39:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:39:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:39:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:39:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:39:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:39:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:39:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:39:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:39:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:39:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:39:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:39:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:39:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:39:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:39:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:39:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:39:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:39:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:39:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-11-07 04:39:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-11-07 04:39:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:39:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:39:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:39:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:39:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:39:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-11-07 04:39:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-11-07 04:39:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:39:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2020-11-07 04:39:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2020-11-07 04:39:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2020-11-07 04:39:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:39:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:39:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:39:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:39:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:39:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2020-11-07 04:39:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:58,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2020-11-07 04:39:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:59,114 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 157 proven. 5 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2020-11-07 04:39:59,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [714177110] [2020-11-07 04:39:59,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:39:59,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-11-07 04:39:59,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940839975] [2020-11-07 04:39:59,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 04:39:59,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:39:59,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 04:39:59,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-11-07 04:39:59,116 INFO L87 Difference]: Start difference. First operand 3093 states and 3442 transitions. Second operand 14 states. [2020-11-07 04:40:02,691 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:40:03,075 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:40:03,461 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:40:03,858 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:40:04,262 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:40:04,669 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:40:06,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:40:06,403 INFO L93 Difference]: Finished difference Result 6227 states and 7123 transitions. [2020-11-07 04:40:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-11-07 04:40:06,404 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 588 [2020-11-07 04:40:06,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:40:06,424 INFO L225 Difference]: With dead ends: 6227 [2020-11-07 04:40:06,424 INFO L226 Difference]: Without dead ends: 3556 [2020-11-07 04:40:06,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=217, Invalid=539, Unknown=0, NotChecked=0, Total=756 [2020-11-07 04:40:06,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3556 states. [2020-11-07 04:40:07,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3556 to 3141. [2020-11-07 04:40:07,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3141 states. [2020-11-07 04:40:07,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3141 states to 3141 states and 3490 transitions. [2020-11-07 04:40:07,735 INFO L78 Accepts]: Start accepts. Automaton has 3141 states and 3490 transitions. Word has length 588 [2020-11-07 04:40:07,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:40:07,736 INFO L481 AbstractCegarLoop]: Abstraction has 3141 states and 3490 transitions. [2020-11-07 04:40:07,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 04:40:07,737 INFO L276 IsEmpty]: Start isEmpty. Operand 3141 states and 3490 transitions. [2020-11-07 04:40:07,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2020-11-07 04:40:07,748 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:40:07,749 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:40:07,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 04:40:07,749 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:40:07,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:40:07,750 INFO L82 PathProgramCache]: Analyzing trace with hash -2107306086, now seen corresponding path program 1 times [2020-11-07 04:40:07,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:40:07,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [124913174] [2020-11-07 04:40:07,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:40:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,180 WARN L194 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:40:08,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:40:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:40:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:40:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:40:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:40:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:40:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:40:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:40:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:40:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:40:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:40:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:40:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:40:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:40:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:40:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:40:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-11-07 04:40:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-11-07 04:40:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:40:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:40:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:40:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2020-11-07 04:40:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-11-07 04:40:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-11-07 04:40:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2020-11-07 04:40:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:40:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2020-11-07 04:40:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:08,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2020-11-07 04:40:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:09,168 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 125 proven. 38 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2020-11-07 04:40:09,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [124913174] [2020-11-07 04:40:09,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:40:09,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-11-07 04:40:09,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242838957] [2020-11-07 04:40:09,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-07 04:40:09,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:40:09,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-07 04:40:09,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:40:09,174 INFO L87 Difference]: Start difference. First operand 3141 states and 3490 transitions. Second operand 17 states. [2020-11-07 04:40:11,271 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:40:11,681 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:40:12,101 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:40:12,524 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:40:12,926 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:40:13,329 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:40:15,386 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:40:15,827 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:40:20,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:40:20,647 INFO L93 Difference]: Finished difference Result 8944 states and 10471 transitions. [2020-11-07 04:40:20,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-11-07 04:40:20,647 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 537 [2020-11-07 04:40:20,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:40:20,676 INFO L225 Difference]: With dead ends: 8944 [2020-11-07 04:40:20,677 INFO L226 Difference]: Without dead ends: 5408 [2020-11-07 04:40:20,689 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 129 SyntacticMatches, 6 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 600 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=521, Invalid=1831, Unknown=0, NotChecked=0, Total=2352 [2020-11-07 04:40:20,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5408 states. [2020-11-07 04:40:22,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5408 to 4242. [2020-11-07 04:40:22,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4242 states. [2020-11-07 04:40:22,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4242 states to 4242 states and 4797 transitions. [2020-11-07 04:40:22,831 INFO L78 Accepts]: Start accepts. Automaton has 4242 states and 4797 transitions. Word has length 537 [2020-11-07 04:40:22,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:40:22,832 INFO L481 AbstractCegarLoop]: Abstraction has 4242 states and 4797 transitions. [2020-11-07 04:40:22,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-07 04:40:22,832 INFO L276 IsEmpty]: Start isEmpty. Operand 4242 states and 4797 transitions. [2020-11-07 04:40:22,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2020-11-07 04:40:22,849 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:40:22,849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:40:22,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-07 04:40:22,850 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:40:22,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:40:22,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1917762309, now seen corresponding path program 1 times [2020-11-07 04:40:22,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:40:22,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1857176823] [2020-11-07 04:40:22,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:40:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,284 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:40:23,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:40:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:40:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:40:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:40:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:40:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:40:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:40:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:40:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:40:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:40:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:40:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:40:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:40:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:40:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:40:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:40:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:40:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-11-07 04:40:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2020-11-07 04:40:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:40:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:40:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:40:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2020-11-07 04:40:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-11-07 04:40:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2020-11-07 04:40:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:40:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-11-07 04:40:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2020-11-07 04:40:23,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:23,924 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 133 proven. 41 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-11-07 04:40:23,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1857176823] [2020-11-07 04:40:23,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:40:23,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:40:23,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338477764] [2020-11-07 04:40:23,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:40:23,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:40:23,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:40:23,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:40:23,927 INFO L87 Difference]: Start difference. First operand 4242 states and 4797 transitions. Second operand 19 states. [2020-11-07 04:40:24,738 WARN L194 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:40:25,260 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:40:25,680 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:40:26,097 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:40:26,508 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:40:26,907 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:40:28,288 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:40:28,726 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:40:30,605 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:40:31,082 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:40:31,546 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:40:32,235 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:40:33,769 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:40:34,177 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:40:35,573 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:40:35,981 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:40:36,407 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:40:39,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:40:39,282 INFO L93 Difference]: Finished difference Result 8563 states and 9959 transitions. [2020-11-07 04:40:39,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-11-07 04:40:39,282 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 543 [2020-11-07 04:40:39,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:40:39,309 INFO L225 Difference]: With dead ends: 8563 [2020-11-07 04:40:39,309 INFO L226 Difference]: Without dead ends: 4743 [2020-11-07 04:40:39,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 837 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=646, Invalid=2660, Unknown=0, NotChecked=0, Total=3306 [2020-11-07 04:40:39,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4743 states. [2020-11-07 04:40:41,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4743 to 4143. [2020-11-07 04:40:41,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4143 states. [2020-11-07 04:40:41,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4143 states to 4143 states and 4656 transitions. [2020-11-07 04:40:41,219 INFO L78 Accepts]: Start accepts. Automaton has 4143 states and 4656 transitions. Word has length 543 [2020-11-07 04:40:41,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:40:41,220 INFO L481 AbstractCegarLoop]: Abstraction has 4143 states and 4656 transitions. [2020-11-07 04:40:41,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:40:41,221 INFO L276 IsEmpty]: Start isEmpty. Operand 4143 states and 4656 transitions. [2020-11-07 04:40:41,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2020-11-07 04:40:41,239 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:40:41,239 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:40:41,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-07 04:40:41,240 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:40:41,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:40:41,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1920893540, now seen corresponding path program 1 times [2020-11-07 04:40:41,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:40:41,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [768751634] [2020-11-07 04:40:41,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:40:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,717 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:40:41,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:40:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:40:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:40:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:40:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:40:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:40:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:40:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:40:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:40:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:40:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:40:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:40:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:40:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:40:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:40:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:40:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:40:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-11-07 04:40:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-11-07 04:40:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:40:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:40:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:42,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:40:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:42,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:42,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-11-07 04:40:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:42,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-11-07 04:40:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:42,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2020-11-07 04:40:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:42,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:42,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:42,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:40:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:42,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:42,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2020-11-07 04:40:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:42,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2020-11-07 04:40:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:42,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:42,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2020-11-07 04:40:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:42,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:42,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:42,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:42,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:40:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:42,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:42,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:42,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:42,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-11-07 04:40:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:42,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2020-11-07 04:40:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:42,456 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 150 proven. 8 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2020-11-07 04:40:42,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [768751634] [2020-11-07 04:40:42,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:40:42,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-11-07 04:40:42,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106574533] [2020-11-07 04:40:42,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-07 04:40:42,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:40:42,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-07 04:40:42,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2020-11-07 04:40:42,458 INFO L87 Difference]: Start difference. First operand 4143 states and 4656 transitions. Second operand 16 states. [2020-11-07 04:40:44,555 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:40:44,970 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:40:45,411 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:40:45,873 WARN L194 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-11-07 04:40:46,301 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:40:46,777 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:40:47,395 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:40:48,929 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:40:49,418 WARN L194 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:40:49,885 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:40:50,323 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:40:54,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:40:54,463 INFO L93 Difference]: Finished difference Result 7616 states and 8861 transitions. [2020-11-07 04:40:54,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-11-07 04:40:54,470 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 603 [2020-11-07 04:40:54,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:40:54,496 INFO L225 Difference]: With dead ends: 7616 [2020-11-07 04:40:54,496 INFO L226 Difference]: Without dead ends: 5132 [2020-11-07 04:40:54,506 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 138 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 390 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=521, Invalid=1371, Unknown=0, NotChecked=0, Total=1892 [2020-11-07 04:40:54,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5132 states. [2020-11-07 04:40:56,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5132 to 3812. [2020-11-07 04:40:56,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3812 states. [2020-11-07 04:40:56,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3812 states to 3812 states and 4247 transitions. [2020-11-07 04:40:56,055 INFO L78 Accepts]: Start accepts. Automaton has 3812 states and 4247 transitions. Word has length 603 [2020-11-07 04:40:56,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:40:56,056 INFO L481 AbstractCegarLoop]: Abstraction has 3812 states and 4247 transitions. [2020-11-07 04:40:56,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-07 04:40:56,056 INFO L276 IsEmpty]: Start isEmpty. Operand 3812 states and 4247 transitions. [2020-11-07 04:40:56,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 651 [2020-11-07 04:40:56,070 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:40:56,071 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 04:40:56,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-07 04:40:56,071 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:40:56,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:40:56,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1978412718, now seen corresponding path program 1 times [2020-11-07 04:40:56,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:40:56,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2110732333] [2020-11-07 04:40:56,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:40:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,559 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:40:56,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:40:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:40:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:40:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:40:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:40:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:40:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:40:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:40:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:40:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:40:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:40:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:40:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:40:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:40:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:40:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:40:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:40:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-11-07 04:40:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2020-11-07 04:40:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2020-11-07 04:40:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:40:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:40:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:56,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:40:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-11-07 04:40:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2020-11-07 04:40:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:40:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:40:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:40:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:40:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2020-11-07 04:40:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2020-11-07 04:40:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2020-11-07 04:40:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:40:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2020-11-07 04:40:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2020-11-07 04:40:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:57,472 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 212 proven. 77 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2020-11-07 04:40:57,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2110732333] [2020-11-07 04:40:57,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:40:57,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:40:57,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732721379] [2020-11-07 04:40:57,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:40:57,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:40:57,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:40:57,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:40:57,474 INFO L87 Difference]: Start difference. First operand 3812 states and 4247 transitions. Second operand 19 states. [2020-11-07 04:40:58,211 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:40:59,380 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:00,678 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:01,112 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:41:01,904 WARN L194 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:41:02,380 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:03,143 WARN L194 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:41:03,565 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:41:04,325 WARN L194 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:41:04,708 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:05,162 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:41:05,628 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:41:06,065 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:41:07,401 WARN L194 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:07,850 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:41:12,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:12,917 INFO L93 Difference]: Finished difference Result 6835 states and 8002 transitions. [2020-11-07 04:41:12,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-11-07 04:41:12,918 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 650 [2020-11-07 04:41:12,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:12,938 INFO L225 Difference]: With dead ends: 6835 [2020-11-07 04:41:12,938 INFO L226 Difference]: Without dead ends: 4626 [2020-11-07 04:41:12,948 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 164 SyntacticMatches, 8 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1358 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=948, Invalid=3474, Unknown=0, NotChecked=0, Total=4422 [2020-11-07 04:41:12,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4626 states. [2020-11-07 04:41:14,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4626 to 3786. [2020-11-07 04:41:14,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3786 states. [2020-11-07 04:41:14,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3786 states to 3786 states and 4173 transitions. [2020-11-07 04:41:14,694 INFO L78 Accepts]: Start accepts. Automaton has 3786 states and 4173 transitions. Word has length 650 [2020-11-07 04:41:14,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:41:14,695 INFO L481 AbstractCegarLoop]: Abstraction has 3786 states and 4173 transitions. [2020-11-07 04:41:14,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:41:14,695 INFO L276 IsEmpty]: Start isEmpty. Operand 3786 states and 4173 transitions. [2020-11-07 04:41:14,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2020-11-07 04:41:14,706 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:14,707 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, 1, 1, 1, 1, 1, 1] [2020-11-07 04:41:14,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-07 04:41:14,707 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:41:14,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:14,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1879855373, now seen corresponding path program 2 times [2020-11-07 04:41:14,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:14,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [850912582] [2020-11-07 04:41:14,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,148 WARN L194 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:15,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:41:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:41:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:41:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:41:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:41:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:41:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:41:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:41:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:41:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:41:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:41:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:41:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-11-07 04:41:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-11-07 04:41:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:41:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:41:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:41:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:41:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-11-07 04:41:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-11-07 04:41:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-11-07 04:41:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2020-11-07 04:41:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:41:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2020-11-07 04:41:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2020-11-07 04:41:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,965 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 132 proven. 66 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2020-11-07 04:41:15,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [850912582] [2020-11-07 04:41:15,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:41:15,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:41:15,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685704537] [2020-11-07 04:41:15,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:41:15,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:15,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:41:15,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:41:15,967 INFO L87 Difference]: Start difference. First operand 3786 states and 4173 transitions. Second operand 18 states. [2020-11-07 04:41:16,751 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:18,863 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:19,303 WARN L194 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:41:20,108 WARN L194 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:41:20,526 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:21,317 WARN L194 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-11-07 04:41:21,767 WARN L194 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:41:22,545 WARN L194 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:41:22,922 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:23,381 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:41:23,881 WARN L194 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-11-07 04:41:24,331 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:41:24,737 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:26,197 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:26,650 WARN L194 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:41:27,539 WARN L194 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-11-07 04:41:28,421 WARN L194 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-11-07 04:41:29,228 WARN L194 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-11-07 04:41:30,284 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:30,727 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:41:35,353 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:36,404 WARN L194 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:36,829 WARN L194 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:41:37,595 WARN L194 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:41:38,399 WARN L194 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:41:39,164 WARN L194 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:41:44,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:44,557 INFO L93 Difference]: Finished difference Result 9786 states and 11366 transitions. [2020-11-07 04:41:44,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2020-11-07 04:41:44,558 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 559 [2020-11-07 04:41:44,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:44,589 INFO L225 Difference]: With dead ends: 9786 [2020-11-07 04:41:44,590 INFO L226 Difference]: Without dead ends: 7561 [2020-11-07 04:41:44,600 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 167 SyntacticMatches, 7 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3269 ImplicationChecksByTransitivity, 15.6s TimeCoverageRelationStatistics Valid=1638, Invalid=7868, Unknown=0, NotChecked=0, Total=9506 [2020-11-07 04:41:44,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7561 states. [2020-11-07 04:41:47,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7561 to 5759. [2020-11-07 04:41:47,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5759 states. [2020-11-07 04:41:47,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5759 states to 5759 states and 6367 transitions. [2020-11-07 04:41:47,148 INFO L78 Accepts]: Start accepts. Automaton has 5759 states and 6367 transitions. Word has length 559 [2020-11-07 04:41:47,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:41:47,149 INFO L481 AbstractCegarLoop]: Abstraction has 5759 states and 6367 transitions. [2020-11-07 04:41:47,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:41:47,149 INFO L276 IsEmpty]: Start isEmpty. Operand 5759 states and 6367 transitions. [2020-11-07 04:41:47,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2020-11-07 04:41:47,164 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:47,165 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:41:47,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-07 04:41:47,165 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:41:47,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:47,166 INFO L82 PathProgramCache]: Analyzing trace with hash 565909734, now seen corresponding path program 1 times [2020-11-07 04:41:47,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:47,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [239253136] [2020-11-07 04:41:47,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,618 WARN L194 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:47,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:41:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:41:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:41:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:41:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:41:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:41:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:41:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:41:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:41:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:41:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:41:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:41:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-11-07 04:41:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:47,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-11-07 04:41:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:41:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:41:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:41:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:41:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-11-07 04:41:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2020-11-07 04:41:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2020-11-07 04:41:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:41:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:41:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-11-07 04:41:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2020-11-07 04:41:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2020-11-07 04:41:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2020-11-07 04:41:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:41:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2020-11-07 04:41:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2020-11-07 04:41:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:48,802 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 220 proven. 69 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2020-11-07 04:41:48,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [239253136] [2020-11-07 04:41:48,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:41:48,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-11-07 04:41:48,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135891571] [2020-11-07 04:41:48,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-11-07 04:41:48,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:48,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-11-07 04:41:48,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2020-11-07 04:41:48,805 INFO L87 Difference]: Start difference. First operand 5759 states and 6367 transitions. Second operand 25 states. [2020-11-07 04:41:49,634 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:52,328 WARN L194 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:41:52,807 WARN L194 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:41:53,678 WARN L194 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-11-07 04:41:54,132 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:54,973 WARN L194 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-11-07 04:41:55,404 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:41:56,232 WARN L194 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-11-07 04:41:56,975 WARN L194 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-11-07 04:41:57,530 WARN L194 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:41:58,065 WARN L194 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-11-07 04:41:58,535 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:41:59,304 WARN L194 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 207 [2020-11-07 04:42:01,388 WARN L194 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-11-07 04:42:02,245 WARN L194 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-11-07 04:42:03,207 WARN L194 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 211 [2020-11-07 04:42:04,138 WARN L194 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 214 [2020-11-07 04:42:04,987 WARN L194 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 211 [2020-11-07 04:42:06,541 WARN L194 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-11-07 04:42:07,394 WARN L194 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 213 [2020-11-07 04:42:10,059 WARN L194 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2020-11-07 04:42:10,978 WARN L194 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 211 [2020-11-07 04:42:11,799 WARN L194 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 213 [2020-11-07 04:42:13,357 WARN L194 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-11-07 04:42:14,208 WARN L194 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-11-07 04:42:15,033 WARN L194 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-11-07 04:42:15,879 WARN L194 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-11-07 04:42:16,685 WARN L194 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-11-07 04:42:18,642 WARN L194 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-11-07 04:42:19,041 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:42:19,658 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:42:20,117 WARN L194 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:42:20,587 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:42:21,016 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:42:21,459 WARN L194 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:42:21,900 WARN L194 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-11-07 04:42:22,324 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:42:22,779 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:42:23,236 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:42:23,665 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:42:24,171 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:42:25,607 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:26,384 WARN L194 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-11-07 04:42:26,820 WARN L194 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:42:27,652 WARN L194 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 213 [2020-11-07 04:42:28,464 WARN L194 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:42:29,397 WARN L194 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 215 [2020-11-07 04:42:30,224 WARN L194 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-11-07 04:42:31,120 WARN L194 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 220 [2020-11-07 04:42:31,892 WARN L194 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:42:32,718 WARN L194 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 215 [2020-11-07 04:42:35,173 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:42:35,633 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:42:36,130 WARN L194 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:42:36,626 WARN L194 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:42:37,088 WARN L194 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:42:40,585 WARN L194 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-11-07 04:42:41,413 WARN L194 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 214 [2020-11-07 04:42:46,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:42:46,593 INFO L93 Difference]: Finished difference Result 14571 states and 16610 transitions. [2020-11-07 04:42:46,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2020-11-07 04:42:46,594 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 629 [2020-11-07 04:42:46,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:42:46,627 INFO L225 Difference]: With dead ends: 14571 [2020-11-07 04:42:46,627 INFO L226 Difference]: Without dead ends: 9769 [2020-11-07 04:42:46,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 171 SyntacticMatches, 5 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7201 ImplicationChecksByTransitivity, 39.2s TimeCoverageRelationStatistics Valid=3202, Invalid=16820, Unknown=0, NotChecked=0, Total=20022 [2020-11-07 04:42:46,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9769 states. [2020-11-07 04:42:49,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9769 to 7116. [2020-11-07 04:42:49,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7116 states. [2020-11-07 04:42:49,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7116 states to 7116 states and 7824 transitions. [2020-11-07 04:42:49,985 INFO L78 Accepts]: Start accepts. Automaton has 7116 states and 7824 transitions. Word has length 629 [2020-11-07 04:42:49,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:42:49,986 INFO L481 AbstractCegarLoop]: Abstraction has 7116 states and 7824 transitions. [2020-11-07 04:42:49,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-11-07 04:42:49,986 INFO L276 IsEmpty]: Start isEmpty. Operand 7116 states and 7824 transitions. [2020-11-07 04:42:50,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 639 [2020-11-07 04:42:50,007 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:42:50,008 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:42:50,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-07 04:42:50,008 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:42:50,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:42:50,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1395906238, now seen corresponding path program 1 times [2020-11-07 04:42:50,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:42:50,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1426386269] [2020-11-07 04:42:50,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:42:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,644 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:42:50,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:42:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:42:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:42:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:42:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:42:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:42:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:42:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:42:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:42:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:42:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:42:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:42:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:42:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:42:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:42:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:42:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:42:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-11-07 04:42:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-11-07 04:42:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:42:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:42:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:42:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:42:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2020-11-07 04:42:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2020-11-07 04:42:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2020-11-07 04:42:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:42:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:42:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-11-07 04:42:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2020-11-07 04:42:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2020-11-07 04:42:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2020-11-07 04:42:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:42:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2020-11-07 04:42:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2020-11-07 04:42:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,442 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 179 proven. 75 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2020-11-07 04:42:51,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1426386269] [2020-11-07 04:42:51,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:42:51,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:42:51,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702008390] [2020-11-07 04:42:51,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:42:51,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:42:51,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:42:51,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:42:51,445 INFO L87 Difference]: Start difference. First operand 7116 states and 7824 transitions. Second operand 18 states. [2020-11-07 04:42:52,793 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:42:54,472 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:42:58,908 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:42:59,356 WARN L194 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-11-07 04:42:59,805 WARN L194 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:00,256 WARN L194 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:00,681 WARN L194 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:01,472 WARN L194 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-07 04:43:05,027 WARN L194 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:43:05,516 WARN L194 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:43:06,007 WARN L194 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:43:06,509 WARN L194 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:43:07,056 WARN L194 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:43:11,201 WARN L194 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 210 [2020-11-07 04:43:12,062 WARN L194 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-11-07 04:43:13,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:43:13,855 INFO L93 Difference]: Finished difference Result 16920 states and 19159 transitions. [2020-11-07 04:43:13,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-11-07 04:43:13,856 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 638 [2020-11-07 04:43:13,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:43:13,893 INFO L225 Difference]: With dead ends: 16920 [2020-11-07 04:43:13,894 INFO L226 Difference]: Without dead ends: 10010 [2020-11-07 04:43:13,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 159 SyntacticMatches, 7 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1525 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=1141, Invalid=4115, Unknown=0, NotChecked=0, Total=5256 [2020-11-07 04:43:13,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10010 states. [2020-11-07 04:43:17,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10010 to 7635. [2020-11-07 04:43:17,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7635 states. [2020-11-07 04:43:17,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7635 states to 7635 states and 8364 transitions. [2020-11-07 04:43:17,529 INFO L78 Accepts]: Start accepts. Automaton has 7635 states and 8364 transitions. Word has length 638 [2020-11-07 04:43:17,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:43:17,530 INFO L481 AbstractCegarLoop]: Abstraction has 7635 states and 8364 transitions. [2020-11-07 04:43:17,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:43:17,530 INFO L276 IsEmpty]: Start isEmpty. Operand 7635 states and 8364 transitions. [2020-11-07 04:43:17,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 639 [2020-11-07 04:43:17,544 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:43:17,545 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 04:43:17,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-07 04:43:17,545 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:43:17,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:43:17,546 INFO L82 PathProgramCache]: Analyzing trace with hash -343020318, now seen corresponding path program 1 times [2020-11-07 04:43:17,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:43:17,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1630398154] [2020-11-07 04:43:17,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:43:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:17,982 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:43:17,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:17,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:43:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:43:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:43:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:43:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:43:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:43:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:43:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:43:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:43:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:43:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:43:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:43:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:43:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:43:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:43:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:43:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:43:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-11-07 04:43:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-11-07 04:43:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:43:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:43:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:43:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:43:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2020-11-07 04:43:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2020-11-07 04:43:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2020-11-07 04:43:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:43:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:43:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-11-07 04:43:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2020-11-07 04:43:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2020-11-07 04:43:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2020-11-07 04:43:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:43:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2020-11-07 04:43:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2020-11-07 04:43:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,966 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 164 proven. 19 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2020-11-07 04:43:18,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1630398154] [2020-11-07 04:43:18,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:43:18,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:43:18,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095371573] [2020-11-07 04:43:18,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:43:18,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:43:18,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:43:18,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:43:18,973 INFO L87 Difference]: Start difference. First operand 7635 states and 8364 transitions. Second operand 18 states. [2020-11-07 04:43:19,913 WARN L194 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:43:20,323 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:43:20,761 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:43:21,200 WARN L194 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:21,627 WARN L194 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:43:25,667 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:43:26,083 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:26,522 WARN L194 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:43:26,973 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:43:27,397 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:27,795 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:43:28,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:43:28,600 INFO L93 Difference]: Finished difference Result 8831 states and 9740 transitions. [2020-11-07 04:43:28,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-11-07 04:43:28,601 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 638 [2020-11-07 04:43:28,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:43:28,603 INFO L225 Difference]: With dead ends: 8831 [2020-11-07 04:43:28,603 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 04:43:28,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=331, Invalid=1075, Unknown=0, NotChecked=0, Total=1406 [2020-11-07 04:43:28,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 04:43:28,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 04:43:28,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 04:43:28,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 04:43:28,626 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 638 [2020-11-07 04:43:28,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:43:28,626 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 04:43:28,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:43:28,627 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 04:43:28,627 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 04:43:28,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-07 04:43:28,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 04:43:29,064 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2020-11-07 04:43:29,511 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 34 [2020-11-07 04:43:29,781 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 261 [2020-11-07 04:43:29,890 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 257 [2020-11-07 04:43:30,337 WARN L194 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 276 [2020-11-07 04:43:30,806 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 279 [2020-11-07 04:43:31,686 WARN L194 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 254 [2020-11-07 04:43:32,010 WARN L194 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-07 04:43:34,421 WARN L194 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 282 [2020-11-07 04:43:34,679 WARN L194 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 284 [2020-11-07 04:43:35,310 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:43:37,492 WARN L194 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 695 DAG size of output: 512 [2020-11-07 04:43:41,353 WARN L194 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 727 DAG size of output: 559 [2020-11-07 04:43:41,846 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 253 [2020-11-07 04:43:42,241 WARN L194 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 254 [2020-11-07 04:43:42,548 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:43:42,729 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 253 [2020-11-07 04:43:43,230 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 254 [2020-11-07 04:43:43,439 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-11-07 04:43:43,719 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 253 [2020-11-07 04:43:44,244 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:43:44,427 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 253 [2020-11-07 04:43:44,948 WARN L194 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:43:46,010 WARN L194 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:43:46,265 WARN L194 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 222 [2020-11-07 04:43:47,223 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:43:47,566 WARN L194 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 267 [2020-11-07 04:43:48,032 WARN L194 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 250 [2020-11-07 04:43:48,491 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-11-07 04:43:49,068 WARN L194 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 280 [2020-11-07 04:43:49,381 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 256 [2020-11-07 04:43:49,536 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 257 [2020-11-07 04:43:50,291 WARN L194 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 276 [2020-11-07 04:43:50,626 WARN L194 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 278 [2020-11-07 04:43:51,883 WARN L194 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 254 [2020-11-07 04:43:52,180 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 248 [2020-11-07 04:43:52,572 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:43:53,387 WARN L194 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 265 [2020-11-07 04:43:54,140 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 261 [2020-11-07 04:43:54,300 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 257 [2020-11-07 04:43:58,077 WARN L194 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 801 DAG size of output: 635 [2020-11-07 04:43:58,394 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-11-07 04:44:05,428 WARN L194 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 801 DAG size of output: 635 [2020-11-07 04:44:09,071 WARN L194 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 691 DAG size of output: 562 [2020-11-07 04:44:09,188 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:44:09,293 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 254 [2020-11-07 04:44:09,609 WARN L194 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 254 [2020-11-07 04:44:09,871 WARN L194 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 248 [2020-11-07 04:44:10,274 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 271 [2020-11-07 04:44:10,437 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 272 [2020-11-07 04:44:10,857 WARN L194 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:44:11,200 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 254 [2020-11-07 04:44:11,487 WARN L194 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-07 04:44:12,618 WARN L194 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 275 [2020-11-07 04:44:12,903 WARN L194 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 276 [2020-11-07 04:44:13,669 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:44:13,893 WARN L194 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:44:14,679 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 253 [2020-11-07 04:44:14,851 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 253 [2020-11-07 04:44:15,391 WARN L194 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:44:15,616 WARN L194 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:44:15,824 WARN L194 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:44:16,107 WARN L194 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:44:16,371 WARN L194 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:44:16,572 WARN L194 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:44:16,755 WARN L194 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 255 [2020-11-07 04:44:17,071 WARN L194 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 239 [2020-11-07 04:44:18,338 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:44:18,795 WARN L194 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 267 [2020-11-07 04:44:19,085 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:44:19,426 WARN L194 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 270 [2020-11-07 04:44:19,711 WARN L194 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 248 [2020-11-07 04:44:21,918 WARN L194 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 695 DAG size of output: 512 [2020-11-07 04:44:22,548 WARN L194 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 266 [2020-11-07 04:44:22,912 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 260 [2020-11-07 04:44:23,132 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 250 [2020-11-07 04:44:23,501 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-11-07 04:44:23,814 WARN L194 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 266 [2020-11-07 04:44:24,174 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 260 [2020-11-07 04:44:24,394 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 250 [2020-11-07 04:44:24,767 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-11-07 04:44:25,201 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:44:25,464 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 272 [2020-11-07 04:44:25,818 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 263 [2020-11-07 04:44:26,095 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 265 [2020-11-07 04:44:26,301 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 263 [2020-11-07 04:44:26,506 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 264 [2020-11-07 04:44:27,629 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:44:27,880 WARN L194 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 260 [2020-11-07 04:44:28,347 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 252 [2020-11-07 04:44:28,561 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-11-07 04:44:29,266 WARN L194 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 257 [2020-11-07 04:44:29,610 WARN L194 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-11-07 04:44:30,168 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:44:31,959 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 260 [2020-11-07 04:44:32,415 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 252 [2020-11-07 04:44:32,625 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-11-07 04:44:33,345 WARN L194 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 257 [2020-11-07 04:44:33,690 WARN L194 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-11-07 04:44:34,399 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 253 [2020-11-07 04:44:34,905 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:44:35,080 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 253 [2020-11-07 04:44:35,777 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:44:36,142 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 254 [2020-11-07 04:44:36,464 WARN L194 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-07 04:44:37,542 WARN L194 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 255 [2020-11-07 04:44:38,356 WARN L194 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 255 [2020-11-07 04:44:38,770 WARN L194 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 255 [2020-11-07 04:44:38,993 WARN L194 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 255 [2020-11-07 04:44:39,249 WARN L194 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 255 [2020-11-07 04:44:39,618 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 254 [2020-11-07 04:44:39,898 WARN L194 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-07 04:44:42,045 WARN L194 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 695 DAG size of output: 512 [2020-11-07 04:44:42,246 WARN L194 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:44:42,460 WARN L194 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:44:42,661 WARN L194 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:44:42,862 WARN L194 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:44:43,254 WARN L194 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:44:44,119 WARN L194 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 222 [2020-11-07 04:44:44,310 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 222 [2020-11-07 04:44:45,010 WARN L194 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:44:45,294 WARN L194 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:44:45,559 WARN L194 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 222 [2020-11-07 04:44:45,794 WARN L194 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:44:46,107 WARN L194 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 276 [2020-11-07 04:44:46,406 WARN L194 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 276 [2020-11-07 04:44:46,711 WARN L194 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 276 [2020-11-07 04:44:47,803 WARN L194 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 276 [2020-11-07 04:44:48,602 WARN L194 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 276 [2020-11-07 04:44:50,885 WARN L194 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 695 DAG size of output: 512 [2020-11-07 04:44:56,465 WARN L194 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 831 DAG size of output: 622 [2020-11-07 04:45:01,993 WARN L194 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 831 DAG size of output: 622 [2020-11-07 04:45:04,100 WARN L194 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 695 DAG size of output: 512 [2020-11-07 04:45:04,351 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:45:09,348 WARN L194 SmtUtils]: Spent 4.45 s on a formula simplification. DAG size of input: 831 DAG size of output: 622 [2020-11-07 04:45:09,583 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:45:14,055 WARN L194 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 831 DAG size of output: 622 [2020-11-07 04:45:14,281 WARN L194 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 275 [2020-11-07 04:45:14,560 WARN L194 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 276 [2020-11-07 04:45:15,336 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:45:19,060 WARN L194 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 801 DAG size of output: 635 [2020-11-07 04:45:19,204 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:45:19,309 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 254 [2020-11-07 04:45:19,527 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:45:19,720 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 257 [2020-11-07 04:45:19,868 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 254 [2020-11-07 04:45:20,118 WARN L194 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 255 [2020-11-07 04:45:20,360 WARN L194 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 255 [2020-11-07 04:45:20,597 WARN L194 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 255 [2020-11-07 04:45:21,576 WARN L194 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 255 [2020-11-07 04:45:22,117 WARN L194 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 267 [2020-11-07 04:45:22,353 WARN L194 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 267 [2020-11-07 04:45:22,697 WARN L194 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 255 [2020-11-07 04:45:23,573 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 254 [2020-11-07 04:45:23,894 WARN L194 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-07 04:45:24,306 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:45:24,732 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:45:25,752 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:45:26,113 WARN L194 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 276 [2020-11-07 04:45:26,395 WARN L194 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 279 [2020-11-07 04:45:31,301 WARN L194 SmtUtils]: Spent 4.45 s on a formula simplification. DAG size of input: 831 DAG size of output: 622 [2020-11-07 04:45:31,557 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 254 [2020-11-07 04:45:31,871 WARN L194 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-07 04:45:32,239 WARN L194 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 273 [2020-11-07 04:45:32,549 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 260 [2020-11-07 04:45:32,690 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 255 [2020-11-07 04:45:33,394 WARN L194 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 269 [2020-11-07 04:45:33,687 WARN L194 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 274 [2020-11-07 04:45:34,936 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:45:35,300 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:45:35,564 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:45:35,782 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:45:36,100 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:45:36,295 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 253 [2020-11-07 04:45:36,806 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:45:36,981 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 253 [2020-11-07 04:45:37,407 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 254 [2020-11-07 04:45:37,674 WARN L194 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-07 04:45:38,216 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:45:38,632 WARN L194 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:45:39,417 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 253 [2020-11-07 04:45:39,589 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 253 [2020-11-07 04:45:40,118 WARN L194 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:45:40,345 WARN L194 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:45:40,551 WARN L194 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:45:40,836 WARN L194 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:45:41,102 WARN L194 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:45:41,302 WARN L194 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:45:41,876 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:45:42,094 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:45:42,312 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:45:42,701 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 254 [2020-11-07 04:45:43,013 WARN L194 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-07 04:45:43,307 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 254 [2020-11-07 04:45:43,600 WARN L194 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-07 04:45:44,126 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:45:44,464 WARN L194 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 264 [2020-11-07 04:45:44,782 WARN L194 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2020-11-07 04:45:45,135 WARN L194 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 281 [2020-11-07 04:45:45,392 WARN L194 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 284 [2020-11-07 04:45:45,796 WARN L194 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 255 [2020-11-07 04:45:46,136 WARN L194 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 239 [2020-11-07 04:45:46,626 WARN L194 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 281 [2020-11-07 04:45:46,886 WARN L194 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 284 [2020-11-07 04:45:47,163 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 257 [2020-11-07 04:45:47,315 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 257 [2020-11-07 04:45:49,597 WARN L194 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 695 DAG size of output: 512 [2020-11-07 04:45:53,050 WARN L194 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 697 DAG size of output: 525 [2020-11-07 04:45:53,527 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 253 [2020-11-07 04:45:54,042 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:45:54,220 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 253 [2020-11-07 04:45:54,683 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:45:58,446 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 254 [2020-11-07 04:45:58,607 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:46:02,350 WARN L194 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 801 DAG size of output: 635 [2020-11-07 04:46:02,592 WARN L194 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 265 [2020-11-07 04:46:03,142 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 256 [2020-11-07 04:46:03,336 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 261 [2020-11-07 04:46:03,839 WARN L194 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 283 [2020-11-07 04:46:04,107 WARN L194 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 286 [2020-11-07 04:46:04,492 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:04,881 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 249 [2020-11-07 04:46:05,538 WARN L194 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:05,785 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 222 [2020-11-07 04:46:12,998 WARN L194 SmtUtils]: Spent 6.36 s on a formula simplification. DAG size of input: 945 DAG size of output: 714 [2020-11-07 04:46:17,476 WARN L194 SmtUtils]: Spent 4.47 s on a formula simplification. DAG size of input: 831 DAG size of output: 622 [2020-11-07 04:46:17,695 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 254 [2020-11-07 04:46:17,993 WARN L194 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-07 04:46:18,921 WARN L194 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:19,707 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 253 [2020-11-07 04:46:19,875 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 253 [2020-11-07 04:46:20,401 WARN L194 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:20,635 WARN L194 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:20,838 WARN L194 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:21,119 WARN L194 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:21,384 WARN L194 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:21,584 WARN L194 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:25,408 WARN L194 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 801 DAG size of output: 635 [2020-11-07 04:46:26,207 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2020-11-07 04:46:26,757 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2020-11-07 04:46:26,866 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2020-11-07 04:46:26,982 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2020-11-07 04:46:27,092 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2020-11-07 04:46:27,649 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:28,725 WARN L194 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:28,977 WARN L194 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 222 [2020-11-07 04:46:29,223 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 257 [2020-11-07 04:46:29,367 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 254 [2020-11-07 04:46:30,798 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 268 [2020-11-07 04:46:30,964 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 270 [2020-11-07 04:46:36,596 WARN L194 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 831 DAG size of output: 622 [2020-11-07 04:46:37,104 WARN L194 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 267 [2020-11-07 04:46:37,349 WARN L194 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 267 [2020-11-07 04:46:41,891 WARN L194 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 831 DAG size of output: 622 [2020-11-07 04:46:44,209 WARN L194 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 254 [2020-11-07 04:46:44,494 WARN L194 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 248 [2020-11-07 04:46:44,827 WARN L194 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 280 [2020-11-07 04:46:45,118 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 256 [2020-11-07 04:46:45,268 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 257 [2020-11-07 04:46:46,006 WARN L194 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 276 [2020-11-07 04:46:46,354 WARN L194 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 278 [2020-11-07 04:46:47,447 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 260 [2020-11-07 04:46:47,973 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 252 [2020-11-07 04:46:48,165 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 254 [2020-11-07 04:46:48,814 WARN L194 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 1 [2020-11-07 04:46:50,567 WARN L194 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 282 DAG size of output: 29 [2020-11-07 04:46:52,090 WARN L194 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 264 DAG size of output: 25 [2020-11-07 04:46:53,425 WARN L194 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 255 DAG size of output: 23 [2020-11-07 04:46:54,452 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 239 DAG size of output: 27 [2020-11-07 04:46:56,139 WARN L194 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 283 DAG size of output: 31 [2020-11-07 04:46:56,584 WARN L194 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 13 [2020-11-07 04:46:56,710 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 15 [2020-11-07 04:46:57,364 WARN L194 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 11 [2020-11-07 04:47:01,293 WARN L194 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 376 DAG size of output: 27 [2020-11-07 04:47:08,122 WARN L194 SmtUtils]: Spent 6.82 s on a formula simplification. DAG size of input: 426 DAG size of output: 27 [2020-11-07 04:47:08,799 WARN L194 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 19 [2020-11-07 04:47:09,352 WARN L194 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 1 [2020-11-07 04:47:09,921 WARN L194 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 1 [2020-11-07 04:47:10,502 WARN L194 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 1 [2020-11-07 04:47:10,666 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-11-07 04:47:12,978 WARN L194 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 391 DAG size of output: 1 [2020-11-07 04:47:13,623 WARN L194 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 14 [2020-11-07 04:47:14,322 WARN L194 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-11-07 04:47:15,850 WARN L194 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 294 DAG size of output: 24 [2020-11-07 04:47:16,614 WARN L194 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-11-07 04:47:20,830 WARN L194 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 430 DAG size of output: 27 [2020-11-07 04:47:21,873 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 244 DAG size of output: 21 [2020-11-07 04:47:22,790 WARN L194 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 13 [2020-11-07 04:47:23,281 WARN L194 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 26 [2020-11-07 04:47:24,802 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 275 DAG size of output: 35 [2020-11-07 04:47:26,770 WARN L194 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 288 DAG size of output: 29 [2020-11-07 04:47:33,422 WARN L194 SmtUtils]: Spent 6.64 s on a formula simplification. DAG size of input: 514 DAG size of output: 30 [2020-11-07 04:47:35,262 WARN L194 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 282 DAG size of output: 27 [2020-11-07 04:47:41,905 WARN L194 SmtUtils]: Spent 6.64 s on a formula simplification. DAG size of input: 514 DAG size of output: 30 [2020-11-07 04:47:48,264 WARN L194 SmtUtils]: Spent 6.35 s on a formula simplification. DAG size of input: 447 DAG size of output: 29 [2020-11-07 04:47:48,895 WARN L194 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 14 [2020-11-07 04:47:49,887 WARN L194 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 15 [2020-11-07 04:47:50,621 WARN L194 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-11-07 04:47:51,349 WARN L194 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 18 [2020-11-07 04:47:52,907 WARN L194 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 269 DAG size of output: 31 [2020-11-07 04:47:53,239 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-11-07 04:47:53,671 WARN L194 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 1 [2020-11-07 04:47:54,091 WARN L194 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 1 [2020-11-07 04:47:55,481 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 243 DAG size of output: 39 [2020-11-07 04:47:56,256 WARN L194 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 27 [2020-11-07 04:47:57,663 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 278 DAG size of output: 30 [2020-11-07 04:47:57,970 WARN L194 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-11-07 04:47:58,714 WARN L194 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 27 [2020-11-07 04:48:01,219 WARN L194 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 352 DAG size of output: 24 [2020-11-07 04:48:02,622 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 284 DAG size of output: 26 [2020-11-07 04:48:03,821 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 235 DAG size of output: 27 [2020-11-07 04:48:04,837 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 179 DAG size of output: 22 [2020-11-07 04:48:05,021 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-11-07 04:48:05,355 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-11-07 04:48:07,021 WARN L194 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 235 DAG size of output: 26 [2020-11-07 04:48:07,687 WARN L194 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 11 [2020-11-07 04:48:08,632 WARN L194 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 18 [2020-11-07 04:48:12,642 WARN L194 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 376 DAG size of output: 27 [2020-11-07 04:48:13,035 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 21 [2020-11-07 04:48:13,812 WARN L194 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-11-07 04:48:14,675 WARN L194 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 16 [2020-11-07 04:48:16,435 WARN L194 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 310 DAG size of output: 24 [2020-11-07 04:48:18,153 WARN L194 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 310 DAG size of output: 24 [2020-11-07 04:48:19,114 WARN L194 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 16 [2020-11-07 04:48:21,482 WARN L194 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 323 DAG size of output: 29 [2020-11-07 04:48:22,220 WARN L194 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-11-07 04:48:22,410 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-11-07 04:48:22,817 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-11-07 04:48:23,851 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 179 DAG size of output: 22 [2020-11-07 04:48:25,065 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 278 DAG size of output: 33 [2020-11-07 04:48:25,396 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-11-07 04:48:28,130 WARN L194 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 386 DAG size of output: 28 [2020-11-07 04:48:28,423 WARN L194 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 1 [2020-11-07 04:48:29,240 WARN L194 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 20 [2020-11-07 04:48:30,558 WARN L194 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 255 DAG size of output: 23 [2020-11-07 04:48:33,214 WARN L194 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 386 DAG size of output: 28 [2020-11-07 04:48:34,639 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 261 DAG size of output: 39 [2020-11-07 04:48:35,174 WARN L194 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 1 [2020-11-07 04:48:35,466 WARN L194 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 1 [2020-11-07 04:48:36,200 WARN L194 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-11-07 04:48:36,617 WARN L194 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 1 [2020-11-07 04:48:37,433 WARN L194 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 16 [2020-11-07 04:48:37,734 WARN L194 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 21 [2020-11-07 04:48:39,115 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 241 DAG size of output: 22 [2020-11-07 04:48:39,526 WARN L194 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 1 [2020-11-07 04:48:40,256 WARN L194 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 16 [2020-11-07 04:48:44,182 WARN L194 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 376 DAG size of output: 27 [2020-11-07 04:48:47,382 WARN L194 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 395 DAG size of output: 31 [2020-11-07 04:48:49,318 WARN L194 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 295 DAG size of output: 30 [2020-11-07 04:48:53,082 WARN L194 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 376 DAG size of output: 27 [2020-11-07 04:48:53,843 WARN L194 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 22 [2020-11-07 04:49:00,690 WARN L194 SmtUtils]: Spent 6.84 s on a formula simplification. DAG size of input: 530 DAG size of output: 30 [2020-11-07 04:49:01,089 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-11-07 04:49:02,094 WARN L194 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 24 [2020-11-07 04:49:02,802 WARN L194 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 22 [2020-11-07 04:49:03,545 WARN L194 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-11-07 04:49:10,584 WARN L194 SmtUtils]: Spent 7.03 s on a formula simplification. DAG size of input: 530 DAG size of output: 30 [2020-11-07 04:49:14,462 WARN L194 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 376 DAG size of output: 27 [2020-11-07 04:49:14,639 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-11-07 04:49:14,786 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-11-07 04:49:15,090 WARN L194 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-11-07 04:49:15,693 WARN L194 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 15 [2020-11-07 04:49:16,569 WARN L194 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 18 [2020-11-07 04:49:17,537 WARN L194 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 15 [2020-11-07 04:49:24,629 WARN L194 SmtUtils]: Spent 7.09 s on a formula simplification. DAG size of input: 530 DAG size of output: 30 [2020-11-07 04:49:25,351 WARN L194 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-11-07 04:49:26,013 WARN L194 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 14 [2020-11-07 04:49:33,062 WARN L194 SmtUtils]: Spent 7.03 s on a formula simplification. DAG size of input: 530 DAG size of output: 30 [2020-11-07 04:49:34,451 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 278 DAG size of output: 30 [2020-11-07 04:49:34,776 WARN L194 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-11-07 04:49:35,537 WARN L194 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 27 [2020-11-07 04:49:41,958 WARN L194 SmtUtils]: Spent 6.42 s on a formula simplification. DAG size of input: 514 DAG size of output: 30 [2020-11-07 04:49:42,708 WARN L194 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 27 [2020-11-07 04:49:43,358 WARN L194 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 14 [2020-11-07 04:49:43,684 WARN L194 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-11-07 04:49:44,472 WARN L194 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 29 [2020-11-07 04:49:45,175 WARN L194 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 16 [2020-11-07 04:49:46,792 WARN L194 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 296 DAG size of output: 28 [2020-11-07 04:49:47,309 WARN L194 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 12 [2020-11-07 04:49:48,273 WARN L194 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 20 [2020-11-07 04:49:48,743 WARN L194 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 1 [2020-11-07 04:49:49,511 WARN L194 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 28 [2020-11-07 04:49:50,161 WARN L194 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 14 [2020-11-07 04:49:51,265 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 171 DAG size of output: 18 [2020-11-07 04:49:51,598 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-11-07 04:49:52,731 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 273 DAG size of output: 26 [2020-11-07 04:49:53,661 WARN L194 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 13 [2020-11-07 04:49:55,423 WARN L194 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 282 DAG size of output: 29 [2020-11-07 04:50:02,480 WARN L194 SmtUtils]: Spent 7.04 s on a formula simplification. DAG size of input: 530 DAG size of output: 30 [2020-11-07 04:50:02,897 WARN L194 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 1 [2020-11-07 04:50:03,629 WARN L194 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-11-07 04:50:06,727 WARN L194 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 429 DAG size of output: 23 [2020-11-07 04:50:07,124 WARN L194 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-11-07 04:50:08,050 WARN L194 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 13 [2020-11-07 04:50:08,991 WARN L194 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 16 [2020-11-07 04:50:10,024 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 168 DAG size of output: 15 [2020-11-07 04:50:10,673 WARN L194 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 14 [2020-11-07 04:50:11,327 WARN L194 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 14 [2020-11-07 04:50:11,654 WARN L194 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-11-07 04:50:12,206 WARN L194 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 1 [2020-11-07 04:50:13,732 WARN L194 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 264 DAG size of output: 25 [2020-11-07 04:50:14,766 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 168 DAG size of output: 15 [2020-11-07 04:50:15,432 WARN L194 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 14 [2020-11-07 04:50:15,854 WARN L194 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-11-07 04:50:18,340 WARN L194 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 352 DAG size of output: 24 [2020-11-07 04:50:19,674 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 232 DAG size of output: 27 [2020-11-07 04:50:19,828 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-11-07 04:50:20,121 WARN L194 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 21 [2020-11-07 04:50:20,448 WARN L194 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-11-07 04:50:20,784 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-11-07 04:50:21,118 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-11-07 04:50:21,518 WARN L194 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-11-07 04:50:21,938 WARN L194 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 1 [2020-11-07 04:50:23,269 WARN L194 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 272 DAG size of output: 28 [2020-11-07 04:50:23,592 WARN L194 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-11-07 04:50:24,325 WARN L194 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-11-07 04:50:25,293 WARN L194 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 18 [2020-11-07 04:50:26,891 WARN L194 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 283 DAG size of output: 31 [2020-11-07 04:50:28,298 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 288 DAG size of output: 29 [2020-11-07 04:50:29,896 WARN L194 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 283 DAG size of output: 31 [2020-11-07 04:50:30,756 WARN L194 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 18 [2020-11-07 04:50:34,669 WARN L194 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 376 DAG size of output: 27 [2020-11-07 04:50:39,828 WARN L194 SmtUtils]: Spent 5.15 s on a formula simplification. DAG size of input: 399 DAG size of output: 25 [2020-11-07 04:50:40,294 WARN L194 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 26 [2020-11-07 04:50:41,114 WARN L194 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 19 [2020-11-07 04:50:41,649 WARN L194 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 1 [2020-11-07 04:50:42,331 WARN L194 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-11-07 04:50:42,934 WARN L194 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 11 [2020-11-07 04:50:44,744 WARN L194 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 282 DAG size of output: 27 [2020-11-07 04:50:45,623 WARN L194 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 16 [2020-11-07 04:50:51,853 WARN L194 SmtUtils]: Spent 6.22 s on a formula simplification. DAG size of input: 514 DAG size of output: 30 [2020-11-07 04:50:53,726 WARN L194 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 288 DAG size of output: 29 [2020-11-07 04:50:55,272 WARN L194 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 285 DAG size of output: 33 [2020-11-07 04:50:57,442 WARN L194 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 391 DAG size of output: 1 [2020-11-07 04:50:57,814 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-11-07 04:50:57,959 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-11-07 04:50:58,659 WARN L194 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-11-07 04:51:06,854 WARN L194 SmtUtils]: Spent 8.19 s on a formula simplification. DAG size of input: 572 DAG size of output: 28 [2020-11-07 04:51:13,680 WARN L194 SmtUtils]: Spent 6.81 s on a formula simplification. DAG size of input: 530 DAG size of output: 30 [2020-11-07 04:51:14,934 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 272 DAG size of output: 28 [2020-11-07 04:51:15,079 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-11-07 04:51:16,368 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 230 DAG size of output: 24 [2020-11-07 04:51:17,093 WARN L194 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-11-07 04:51:17,441 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:51:18,144 WARN L194 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 27 [2020-11-07 04:51:20,482 WARN L194 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 352 DAG size of output: 24 [2020-11-07 04:51:21,154 WARN L194 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 18 [2020-11-07 04:51:27,413 WARN L194 SmtUtils]: Spent 6.25 s on a formula simplification. DAG size of input: 514 DAG size of output: 30 [2020-11-07 04:51:27,802 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 21