/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_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 04:27:19,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:27:19,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:27:19,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:27:19,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:27:19,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:27:19,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:27:19,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:27:19,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:27:19,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:27:19,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:27:19,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:27:19,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:27:19,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:27:19,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:27:19,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:27:19,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:27:19,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:27:19,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:27:19,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:27:19,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:27:19,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:27:19,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:27:19,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:27:19,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 04:27:19,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 04:27:19,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 04:27:19,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 04:27:19,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 04:27:19,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 04:27:19,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:27:19,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:27:19,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:27:19,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:27:19,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:27:19,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:27:19,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:27:19,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:27:19,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:27:19,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:27:19,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:27:19,482 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 04:27:19,494 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:27:19,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:27:19,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:27:19,496 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:27:19,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:27:19,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:27:19,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:27:19,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:27:19,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:27:19,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:27:19,497 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:27:19,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:27:19,497 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:27:19,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:27:19,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:27:19,498 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:27:19,498 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:27:19,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:27:19,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:27:19,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:27:19,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:27:19,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:27:19,499 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:27:19,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:27:19,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:27:19,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:27:19,883 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:27:19,883 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:27:19,884 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-11-07 04:27:19,953 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/722b61637/0ccd69c81b494670b757569e4671a60c/FLAG92985b7a5 [2020-11-07 04:27:20,552 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:27:20,552 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-11-07 04:27:20,567 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/722b61637/0ccd69c81b494670b757569e4671a60c/FLAG92985b7a5 [2020-11-07 04:27:20,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/722b61637/0ccd69c81b494670b757569e4671a60c [2020-11-07 04:27:20,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:27:20,877 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:27:20,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:27:20,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:27:20,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:27:20,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:27:20" (1/1) ... [2020-11-07 04:27:20,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eab3d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:20, skipping insertion in model container [2020-11-07 04:27:20,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:27:20" (1/1) ... [2020-11-07 04:27:20,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:27:20,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:27:21,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:27:21,308 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:27:21,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:27:21,439 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:27:21,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:21 WrapperNode [2020-11-07 04:27:21,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:27:21,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:27:21,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:27:21,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:27:21,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:21" (1/1) ... [2020-11-07 04:27:21,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:21" (1/1) ... [2020-11-07 04:27:21,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:21" (1/1) ... [2020-11-07 04:27:21,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:21" (1/1) ... [2020-11-07 04:27:21,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:21" (1/1) ... [2020-11-07 04:27:21,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:21" (1/1) ... [2020-11-07 04:27:21,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:21" (1/1) ... [2020-11-07 04:27:21,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:27:21,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:27:21,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:27:21,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:27:21,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:21" (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 04:27:21,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:27:21,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:27:21,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 04:27:21,656 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:27:21,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 04:27:21,656 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 04:27:21,656 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 04:27:21,656 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-07 04:27:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 04:27:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-11-07 04:27:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 04:27:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 04:27:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 04:27:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 04:27:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 04:27:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 04:27:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-11-07 04:27:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 04:27:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 04:27:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 04:27:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 04:27:21,674 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 04:27:21,674 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:27:21,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 04:27:21,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 04:27:21,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 04:27:21,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 04:27:21,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 04:27:21,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 04:27:21,678 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 04:27:21,678 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 04:27:21,679 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 04:27:21,684 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 04:27:21,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:27:21,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:27:21,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:27:21,685 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 04:27:21,685 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 04:27:21,685 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 04:27:21,685 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 04:27:21,685 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 04:27:21,685 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 04:27:21,685 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 04:27:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:27:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:27:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:27:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:27:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:27:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 04:27:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 04:27:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 04:27:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 04:27:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 04:27:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 04:27:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 04:27:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 04:27:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 04:27:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 04:27:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 04:27:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-11-07 04:27:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:27:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:27:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 04:27:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 04:27:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 04:27:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-07 04:27:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 04:27:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-11-07 04:27:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 04:27:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 04:27:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 04:27:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 04:27:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 04:27:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 04:27:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:27:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 04:27:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 04:27:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 04:27:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 04:27:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:27:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 04:27:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 04:27:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 04:27:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 04:27:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 04:27:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:27:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 04:27:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 04:27:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:27:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 04:27:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 04:27:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:27:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 04:27:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 04:27:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 04:27:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 04:27:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 04:27:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:27:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:27:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:27:22,940 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:27:22,940 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 04:27:22,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:27:22 BoogieIcfgContainer [2020-11-07 04:27:22,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:27:22,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:27:22,951 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:27:22,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:27:22,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:27:20" (1/3) ... [2020-11-07 04:27:22,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5353a013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:27:22, skipping insertion in model container [2020-11-07 04:27:22,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:21" (2/3) ... [2020-11-07 04:27:22,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5353a013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:27:22, skipping insertion in model container [2020-11-07 04:27:22,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:27:22" (3/3) ... [2020-11-07 04:27:22,959 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2020-11-07 04:27:22,973 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:27:22,977 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 04:27:22,987 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 04:27:23,009 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:27:23,010 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:27:23,010 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:27:23,010 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:27:23,010 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:27:23,010 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:27:23,010 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:27:23,011 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:27:23,034 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states. [2020-11-07 04:27:23,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-07 04:27:23,056 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:23,057 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 04:27:23,058 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 04:27:23,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:23,064 INFO L82 PathProgramCache]: Analyzing trace with hash -418639191, now seen corresponding path program 1 times [2020-11-07 04:27:23,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:23,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [421440496] [2020-11-07 04:27:23,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,788 WARN L194 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:23,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 04:27:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-11-07 04:27:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-11-07 04:27:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,994 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 04:27:23,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [421440496] [2020-11-07 04:27:23,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:27:23,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 04:27:23,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135684121] [2020-11-07 04:27:24,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 04:27:24,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:24,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 04:27:24,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:27:24,020 INFO L87 Difference]: Start difference. First operand 343 states. Second operand 4 states. [2020-11-07 04:27:25,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:27:25,745 INFO L93 Difference]: Finished difference Result 540 states and 635 transitions. [2020-11-07 04:27:25,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-07 04:27:25,747 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-11-07 04:27:25,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:27:25,769 INFO L225 Difference]: With dead ends: 540 [2020-11-07 04:27:25,770 INFO L226 Difference]: Without dead ends: 338 [2020-11-07 04:27:25,785 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 04:27:25,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-11-07 04:27:26,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 289. [2020-11-07 04:27:26,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2020-11-07 04:27:26,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 316 transitions. [2020-11-07 04:27:26,049 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 316 transitions. Word has length 166 [2020-11-07 04:27:26,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:27:26,052 INFO L481 AbstractCegarLoop]: Abstraction has 289 states and 316 transitions. [2020-11-07 04:27:26,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 04:27:26,052 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 316 transitions. [2020-11-07 04:27:26,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-07 04:27:26,065 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:26,065 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 04:27:26,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:27:26,066 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 04:27:26,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:26,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1039099215, now seen corresponding path program 1 times [2020-11-07 04:27:26,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:26,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [840253275] [2020-11-07 04:27:26,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:26,606 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:26,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:26,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:26,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:26,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:26,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:26,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:26,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:27:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:26,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:26,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:27:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:26,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:27:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:26,787 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 04:27:26,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [840253275] [2020-11-07 04:27:26,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:27:26,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 04:27:26,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133655461] [2020-11-07 04:27:26,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 04:27:26,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:26,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 04:27:26,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 04:27:26,794 INFO L87 Difference]: Start difference. First operand 289 states and 316 transitions. Second operand 5 states. [2020-11-07 04:27:27,664 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:27:29,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:27:29,093 INFO L93 Difference]: Finished difference Result 460 states and 519 transitions. [2020-11-07 04:27:29,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-07 04:27:29,094 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-11-07 04:27:29,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:27:29,100 INFO L225 Difference]: With dead ends: 460 [2020-11-07 04:27:29,100 INFO L226 Difference]: Without dead ends: 327 [2020-11-07 04:27:29,109 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 04:27:29,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-11-07 04:27:29,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 279. [2020-11-07 04:27:29,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2020-11-07 04:27:29,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 303 transitions. [2020-11-07 04:27:29,250 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 303 transitions. Word has length 167 [2020-11-07 04:27:29,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:27:29,254 INFO L481 AbstractCegarLoop]: Abstraction has 279 states and 303 transitions. [2020-11-07 04:27:29,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 04:27:29,254 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 303 transitions. [2020-11-07 04:27:29,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-11-07 04:27:29,258 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:29,258 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] [2020-11-07 04:27:29,259 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 04:27:29,259 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 04:27:29,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:29,261 INFO L82 PathProgramCache]: Analyzing trace with hash 284610189, now seen corresponding path program 1 times [2020-11-07 04:27:29,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:29,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1633175695] [2020-11-07 04:27:29,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:29,803 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:29,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:29,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:29,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:29,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:29,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:30,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:30,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:27:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:30,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:30,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-11-07 04:27:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:30,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-11-07 04:27:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:30,064 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 04:27:30,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1633175695] [2020-11-07 04:27:30,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:27:30,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 04:27:30,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122076295] [2020-11-07 04:27:30,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 04:27:30,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:30,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 04:27:30,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:27:30,075 INFO L87 Difference]: Start difference. First operand 279 states and 303 transitions. Second operand 10 states. [2020-11-07 04:27:30,714 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:31,242 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:31,641 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:27:32,048 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:27:32,449 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:27:32,851 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:27:34,290 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:27:36,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:27:36,751 INFO L93 Difference]: Finished difference Result 743 states and 854 transitions. [2020-11-07 04:27:36,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 04:27:36,754 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-11-07 04:27:36,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:27:36,760 INFO L225 Difference]: With dead ends: 743 [2020-11-07 04:27:36,760 INFO L226 Difference]: Without dead ends: 584 [2020-11-07 04:27:36,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:27:36,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2020-11-07 04:27:36,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 509. [2020-11-07 04:27:36,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 509 states. [2020-11-07 04:27:36,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 573 transitions. [2020-11-07 04:27:36,975 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 573 transitions. Word has length 176 [2020-11-07 04:27:36,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:27:36,976 INFO L481 AbstractCegarLoop]: Abstraction has 509 states and 573 transitions. [2020-11-07 04:27:36,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 04:27:36,976 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 573 transitions. [2020-11-07 04:27:36,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-07 04:27:36,980 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:36,980 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 04:27:36,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 04:27:36,981 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 04:27:36,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:36,981 INFO L82 PathProgramCache]: Analyzing trace with hash -627067864, now seen corresponding path program 1 times [2020-11-07 04:27:36,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:36,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [701114846] [2020-11-07 04:27:36,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:37,542 WARN L194 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:37,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:37,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:37,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:37,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:37,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:37,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:37,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-11-07 04:27:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:37,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:27:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:37,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:37,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-11-07 04:27:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:37,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-11-07 04:27:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:37,770 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 04:27:37,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [701114846] [2020-11-07 04:27:37,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:27:37,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 04:27:37,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866218480] [2020-11-07 04:27:37,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 04:27:37,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:37,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 04:27:37,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:27:37,773 INFO L87 Difference]: Start difference. First operand 509 states and 573 transitions. Second operand 10 states. [2020-11-07 04:27:38,441 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:39,448 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:27:39,838 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:27:41,416 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:27:41,810 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:27:42,190 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:27:42,679 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:43,046 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:27:43,459 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:27:44,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:27:44,535 INFO L93 Difference]: Finished difference Result 1185 states and 1412 transitions. [2020-11-07 04:27:44,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-07 04:27:44,535 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 185 [2020-11-07 04:27:44,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:27:44,542 INFO L225 Difference]: With dead ends: 1185 [2020-11-07 04:27:44,542 INFO L226 Difference]: Without dead ends: 796 [2020-11-07 04:27:44,544 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 04:27:44,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2020-11-07 04:27:44,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 707. [2020-11-07 04:27:44,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2020-11-07 04:27:44,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 793 transitions. [2020-11-07 04:27:44,887 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 793 transitions. Word has length 185 [2020-11-07 04:27:44,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:27:44,888 INFO L481 AbstractCegarLoop]: Abstraction has 707 states and 793 transitions. [2020-11-07 04:27:44,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 04:27:44,888 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 793 transitions. [2020-11-07 04:27:44,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-07 04:27:44,893 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:44,893 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] [2020-11-07 04:27:44,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 04:27:44,894 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 04:27:44,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:44,895 INFO L82 PathProgramCache]: Analyzing trace with hash 215824278, now seen corresponding path program 1 times [2020-11-07 04:27:44,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:44,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2002368872] [2020-11-07 04:27:44,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,307 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:45,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:27:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 04:27:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-11-07 04:27:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-11-07 04:27:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,556 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 04:27:45,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2002368872] [2020-11-07 04:27:45,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:27:45,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 04:27:45,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46867110] [2020-11-07 04:27:45,558 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 04:27:45,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:45,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 04:27:45,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:27:45,559 INFO L87 Difference]: Start difference. First operand 707 states and 793 transitions. Second operand 10 states. [2020-11-07 04:27:47,304 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:27:47,722 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:27:48,146 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:27:48,559 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:27:48,976 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:49,362 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:27:50,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:27:50,633 INFO L93 Difference]: Finished difference Result 1433 states and 1697 transitions. [2020-11-07 04:27:50,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 04:27:50,634 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 236 [2020-11-07 04:27:50,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:27:50,641 INFO L225 Difference]: With dead ends: 1433 [2020-11-07 04:27:50,641 INFO L226 Difference]: Without dead ends: 846 [2020-11-07 04:27:50,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:27:50,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2020-11-07 04:27:50,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 726. [2020-11-07 04:27:50,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2020-11-07 04:27:50,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 813 transitions. [2020-11-07 04:27:50,933 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 813 transitions. Word has length 236 [2020-11-07 04:27:50,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:27:50,934 INFO L481 AbstractCegarLoop]: Abstraction has 726 states and 813 transitions. [2020-11-07 04:27:50,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 04:27:50,934 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 813 transitions. [2020-11-07 04:27:50,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-07 04:27:50,938 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:50,938 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] [2020-11-07 04:27:50,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 04:27:50,939 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 04:27:50,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:50,940 INFO L82 PathProgramCache]: Analyzing trace with hash -558873802, now seen corresponding path program 1 times [2020-11-07 04:27:50,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:50,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [861696825] [2020-11-07 04:27:50,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:51,335 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:51,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:51,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:51,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:51,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:51,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:51,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:51,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:27:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:51,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:51,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 04:27:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:51,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:51,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:51,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:51,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:51,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:51,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:51,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:51,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-11-07 04:27:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:51,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-11-07 04:27:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:51,631 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 04:27:51,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [861696825] [2020-11-07 04:27:51,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:27:51,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-11-07 04:27:51,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49880673] [2020-11-07 04:27:51,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 04:27:51,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:51,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 04:27:51,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-11-07 04:27:51,634 INFO L87 Difference]: Start difference. First operand 726 states and 813 transitions. Second operand 13 states. [2020-11-07 04:27:52,387 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:27:52,780 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:27:53,227 WARN L194 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:27:53,634 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:54,003 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:27:55,303 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:27:55,695 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:56,108 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:27:56,553 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:56,940 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:27:58,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:27:58,528 INFO L93 Difference]: Finished difference Result 1470 states and 1735 transitions. [2020-11-07 04:27:58,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-07 04:27:58,529 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 236 [2020-11-07 04:27:58,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:27:58,535 INFO L225 Difference]: With dead ends: 1470 [2020-11-07 04:27:58,535 INFO L226 Difference]: Without dead ends: 864 [2020-11-07 04:27:58,538 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2020-11-07 04:27:58,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2020-11-07 04:27:58,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 738. [2020-11-07 04:27:58,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 738 states. [2020-11-07 04:27:58,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 825 transitions. [2020-11-07 04:27:58,797 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 825 transitions. Word has length 236 [2020-11-07 04:27:58,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:27:58,797 INFO L481 AbstractCegarLoop]: Abstraction has 738 states and 825 transitions. [2020-11-07 04:27:58,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 04:27:58,797 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 825 transitions. [2020-11-07 04:27:58,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-07 04:27:58,801 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:58,801 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] [2020-11-07 04:27:58,801 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 04:27:58,801 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 04:27:58,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:58,802 INFO L82 PathProgramCache]: Analyzing trace with hash 506553305, now seen corresponding path program 1 times [2020-11-07 04:27:58,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:58,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [303840880] [2020-11-07 04:27:58,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:59,194 WARN L194 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:59,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:59,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:59,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:59,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:59,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:59,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:59,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:59,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:27:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:59,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:59,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 04:27:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:59,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:59,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:59,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:59,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:59,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:59,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:59,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:59,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-11-07 04:27:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:59,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-11-07 04:27:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:59,446 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 04:27:59,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [303840880] [2020-11-07 04:27:59,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:27:59,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-07 04:27:59,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434622572] [2020-11-07 04:27:59,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 04:27:59,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:59,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 04:27:59,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-07 04:27:59,449 INFO L87 Difference]: Start difference. First operand 738 states and 825 transitions. Second operand 7 states. [2020-11-07 04:28:00,059 WARN L194 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:00,843 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:03,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:28:03,991 INFO L93 Difference]: Finished difference Result 2157 states and 2570 transitions. [2020-11-07 04:28:03,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 04:28:03,992 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 236 [2020-11-07 04:28:03,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:28:04,002 INFO L225 Difference]: With dead ends: 2157 [2020-11-07 04:28:04,003 INFO L226 Difference]: Without dead ends: 1539 [2020-11-07 04:28:04,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-11-07 04:28:04,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1539 states. [2020-11-07 04:28:04,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1539 to 1414. [2020-11-07 04:28:04,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1414 states. [2020-11-07 04:28:04,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 1610 transitions. [2020-11-07 04:28:04,502 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 1610 transitions. Word has length 236 [2020-11-07 04:28:04,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:28:04,502 INFO L481 AbstractCegarLoop]: Abstraction has 1414 states and 1610 transitions. [2020-11-07 04:28:04,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 04:28:04,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1610 transitions. [2020-11-07 04:28:04,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-11-07 04:28:04,506 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:28:04,507 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] [2020-11-07 04:28:04,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 04:28:04,507 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 04:28:04,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:28:04,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1390692616, now seen corresponding path program 1 times [2020-11-07 04:28:04,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:28:04,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1803689443] [2020-11-07 04:28:04,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:28:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,023 WARN L194 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:28:05,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:28:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:28:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:28:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:28:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:28:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:28:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-11-07 04:28:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-07 04:28:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-11-07 04:28:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:28:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,331 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 04:28:05,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1803689443] [2020-11-07 04:28:05,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:28:05,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-07 04:28:05,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567773721] [2020-11-07 04:28:05,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 04:28:05,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:28:05,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 04:28:05,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-11-07 04:28:05,333 INFO L87 Difference]: Start difference. First operand 1414 states and 1610 transitions. Second operand 14 states. [2020-11-07 04:28:06,381 WARN L194 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-07 04:28:07,419 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:08,940 WARN L194 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-11-07 04:28:09,702 WARN L194 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:28:10,234 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:28:10,638 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:28:11,395 WARN L194 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-11-07 04:28:11,853 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:28:12,279 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:28:12,706 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:28:15,757 WARN L194 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-11-07 04:28:16,538 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:16,961 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:28:17,447 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:28:18,854 WARN L194 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-11-07 04:28:19,588 WARN L194 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-11-07 04:28:20,387 WARN L194 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-11-07 04:28:21,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:28:21,152 INFO L93 Difference]: Finished difference Result 4048 states and 4842 transitions. [2020-11-07 04:28:21,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-11-07 04:28:21,153 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 241 [2020-11-07 04:28:21,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:28:21,172 INFO L225 Difference]: With dead ends: 4048 [2020-11-07 04:28:21,173 INFO L226 Difference]: Without dead ends: 3031 [2020-11-07 04:28:21,178 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2020-11-07 04:28:21,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3031 states. [2020-11-07 04:28:22,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3031 to 2595. [2020-11-07 04:28:22,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2595 states. [2020-11-07 04:28:22,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2595 states to 2595 states and 2935 transitions. [2020-11-07 04:28:22,540 INFO L78 Accepts]: Start accepts. Automaton has 2595 states and 2935 transitions. Word has length 241 [2020-11-07 04:28:22,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:28:22,540 INFO L481 AbstractCegarLoop]: Abstraction has 2595 states and 2935 transitions. [2020-11-07 04:28:22,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 04:28:22,541 INFO L276 IsEmpty]: Start isEmpty. Operand 2595 states and 2935 transitions. [2020-11-07 04:28:22,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-11-07 04:28:22,545 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:28:22,546 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:28:22,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 04:28:22,547 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 04:28:22,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:28:22,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1923699211, now seen corresponding path program 1 times [2020-11-07 04:28:22,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:28:22,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872710320] [2020-11-07 04:28:22,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:28:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:22,973 WARN L194 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:28:22,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:28:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:28:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:28:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:28:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:28:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:28:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:28:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:28:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:28:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-11-07 04:28:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-11-07 04:28:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-11-07 04:28:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:28:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2020-11-07 04:28:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2020-11-07 04:28:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,526 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 33 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-07 04:28:23,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [872710320] [2020-11-07 04:28:23,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:28:23,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:28:23,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513995791] [2020-11-07 04:28:23,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:28:23,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:28:23,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:28:23,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:28:23,532 INFO L87 Difference]: Start difference. First operand 2595 states and 2935 transitions. Second operand 18 states. [2020-11-07 04:28:24,547 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:28:24,947 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:28:25,344 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:28:25,738 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:26,112 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:28:27,242 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:28:27,690 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:28:28,150 WARN L194 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-11-07 04:28:28,668 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:28:29,181 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:28:29,792 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:28:30,332 WARN L194 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-11-07 04:28:30,784 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:28:33,052 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:34,314 WARN L194 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:28:35,099 WARN L194 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:28:35,901 WARN L194 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:28:36,520 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:37,453 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:28:38,272 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:28:38,738 WARN L194 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:28:39,645 WARN L194 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-11-07 04:28:40,473 WARN L194 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-11-07 04:28:41,602 WARN L194 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-11-07 04:28:42,187 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:28:42,997 WARN L194 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-11-07 04:28:44,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:28:44,826 INFO L93 Difference]: Finished difference Result 5502 states and 6355 transitions. [2020-11-07 04:28:44,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-11-07 04:28:44,827 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 323 [2020-11-07 04:28:44,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:28:44,845 INFO L225 Difference]: With dead ends: 5502 [2020-11-07 04:28:44,845 INFO L226 Difference]: Without dead ends: 3289 [2020-11-07 04:28:44,853 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1430 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=934, Invalid=4322, Unknown=0, NotChecked=0, Total=5256 [2020-11-07 04:28:44,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3289 states. [2020-11-07 04:28:46,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3289 to 3001. [2020-11-07 04:28:46,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3001 states. [2020-11-07 04:28:46,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 3001 states and 3344 transitions. [2020-11-07 04:28:46,163 INFO L78 Accepts]: Start accepts. Automaton has 3001 states and 3344 transitions. Word has length 323 [2020-11-07 04:28:46,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:28:46,164 INFO L481 AbstractCegarLoop]: Abstraction has 3001 states and 3344 transitions. [2020-11-07 04:28:46,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:28:46,164 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 3344 transitions. [2020-11-07 04:28:46,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2020-11-07 04:28:46,218 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:28:46,219 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:28:46,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 04:28:46,219 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 04:28:46,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:28:46,220 INFO L82 PathProgramCache]: Analyzing trace with hash -648752769, now seen corresponding path program 1 times [2020-11-07 04:28:46,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:28:46,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [48430869] [2020-11-07 04:28:46,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:28:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,690 WARN L194 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:28:46,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:28:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:28:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:28:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:28:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:28:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:28:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:28:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:28:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:28:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-11-07 04:28:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:28:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:28:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:28:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2020-11-07 04:28:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:28:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:46,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:47,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:47,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:47,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:28:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:47,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:28:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:47,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:47,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-11-07 04:28:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:47,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:47,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2020-11-07 04:28:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:47,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:47,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:47,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:47,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:47,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:47,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:47,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:47,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2020-11-07 04:28:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:47,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2020-11-07 04:28:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:47,353 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 113 proven. 11 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2020-11-07 04:28:47,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [48430869] [2020-11-07 04:28:47,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:28:47,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-11-07 04:28:47,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770749488] [2020-11-07 04:28:47,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-07 04:28:47,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:28:47,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-07 04:28:47,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-11-07 04:28:47,356 INFO L87 Difference]: Start difference. First operand 3001 states and 3344 transitions. Second operand 16 states. [2020-11-07 04:28:48,058 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:49,322 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:28:52,329 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:52,778 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:28:53,268 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:53,777 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:28:54,196 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:28:54,659 WARN L194 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:28:55,054 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:55,480 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:28:55,900 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:28:56,395 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:28:56,806 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:28:57,261 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:28:58,998 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:59,799 WARN L194 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-11-07 04:29:00,596 WARN L194 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-11-07 04:29:01,024 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:29:01,488 WARN L194 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:29:01,910 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:29:04,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:29:04,349 INFO L93 Difference]: Finished difference Result 8579 states and 9728 transitions. [2020-11-07 04:29:04,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-11-07 04:29:04,349 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 507 [2020-11-07 04:29:04,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:29:04,379 INFO L225 Difference]: With dead ends: 8579 [2020-11-07 04:29:04,379 INFO L226 Difference]: Without dead ends: 5711 [2020-11-07 04:29:04,389 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 118 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 582 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=491, Invalid=1959, Unknown=0, NotChecked=0, Total=2450 [2020-11-07 04:29:04,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5711 states. [2020-11-07 04:29:06,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5711 to 5513. [2020-11-07 04:29:06,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5513 states. [2020-11-07 04:29:06,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5513 states to 5513 states and 6084 transitions. [2020-11-07 04:29:06,732 INFO L78 Accepts]: Start accepts. Automaton has 5513 states and 6084 transitions. Word has length 507 [2020-11-07 04:29:06,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:29:06,733 INFO L481 AbstractCegarLoop]: Abstraction has 5513 states and 6084 transitions. [2020-11-07 04:29:06,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-07 04:29:06,733 INFO L276 IsEmpty]: Start isEmpty. Operand 5513 states and 6084 transitions. [2020-11-07 04:29:06,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 513 [2020-11-07 04:29:06,751 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:29:06,752 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:29:06,752 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 04:29:06,752 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 04:29:06,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:29:06,753 INFO L82 PathProgramCache]: Analyzing trace with hash -291912275, now seen corresponding path program 1 times [2020-11-07 04:29:06,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:29:06,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1032092093] [2020-11-07 04:29:06,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:29:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,171 WARN L194 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:29:07,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:29:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:29:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:29:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:29:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:29:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:29:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:29:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:29:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:29:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:29:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:29:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-11-07 04:29:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:29:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:29:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:29:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-11-07 04:29:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:29:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:29:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:29:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2020-11-07 04:29:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-11-07 04:29:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:29:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2020-11-07 04:29:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:07,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2020-11-07 04:29:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:08,053 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 81 proven. 50 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2020-11-07 04:29:08,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1032092093] [2020-11-07 04:29:08,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:29:08,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-11-07 04:29:08,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307895995] [2020-11-07 04:29:08,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-11-07 04:29:08,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:29:08,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-11-07 04:29:08,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2020-11-07 04:29:08,055 INFO L87 Difference]: Start difference. First operand 5513 states and 6084 transitions. Second operand 22 states. [2020-11-07 04:29:08,775 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:29:09,318 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:29:09,729 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:29:10,208 WARN L194 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:10,613 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:29:11,000 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:12,125 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:29:15,432 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:15,885 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:16,422 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:16,943 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:17,360 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:17,789 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:18,267 WARN L194 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:18,752 WARN L194 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:19,239 WARN L194 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:19,813 WARN L194 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:20,234 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:20,697 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:21,549 WARN L194 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:29:22,464 WARN L194 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:29:23,289 WARN L194 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:29:27,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:29:27,360 INFO L93 Difference]: Finished difference Result 10795 states and 12178 transitions. [2020-11-07 04:29:27,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-11-07 04:29:27,362 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 512 [2020-11-07 04:29:27,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:29:27,393 INFO L225 Difference]: With dead ends: 10795 [2020-11-07 04:29:27,394 INFO L226 Difference]: Without dead ends: 5967 [2020-11-07 04:29:27,407 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 120 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1176 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=880, Invalid=3676, Unknown=0, NotChecked=0, Total=4556 [2020-11-07 04:29:27,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5967 states. [2020-11-07 04:29:29,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5967 to 5295. [2020-11-07 04:29:29,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5295 states. [2020-11-07 04:29:29,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5295 states to 5295 states and 5813 transitions. [2020-11-07 04:29:29,557 INFO L78 Accepts]: Start accepts. Automaton has 5295 states and 5813 transitions. Word has length 512 [2020-11-07 04:29:29,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:29:29,557 INFO L481 AbstractCegarLoop]: Abstraction has 5295 states and 5813 transitions. [2020-11-07 04:29:29,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-11-07 04:29:29,558 INFO L276 IsEmpty]: Start isEmpty. Operand 5295 states and 5813 transitions. [2020-11-07 04:29:29,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2020-11-07 04:29:29,575 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:29:29,576 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:29:29,576 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-07 04:29:29,576 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 04:29:29,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:29:29,577 INFO L82 PathProgramCache]: Analyzing trace with hash 785543061, now seen corresponding path program 1 times [2020-11-07 04:29:29,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:29:29,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1357837899] [2020-11-07 04:29:29,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:29:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,005 WARN L194 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:29:30,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:29:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:29:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:29:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:29:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:29:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:29:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:29:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:29:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:29:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:29:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-11-07 04:29:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-11-07 04:29:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:29:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:29:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:29:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-11-07 04:29:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:29:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:29:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:29:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2020-11-07 04:29:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2020-11-07 04:29:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2020-11-07 04:29:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2020-11-07 04:29:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:29:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2020-11-07 04:29:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2020-11-07 04:29:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:30,718 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 117 proven. 31 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-11-07 04:29:30,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1357837899] [2020-11-07 04:29:30,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:29:30,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-11-07 04:29:30,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539143685] [2020-11-07 04:29:30,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-11-07 04:29:30,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:29:30,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-11-07 04:29:30,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2020-11-07 04:29:30,720 INFO L87 Difference]: Start difference. First operand 5295 states and 5813 transitions. Second operand 22 states. [2020-11-07 04:29:31,572 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:29:32,155 WARN L194 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:29:32,592 WARN L194 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:29:33,001 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:33,405 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:29:33,795 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:34,957 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:29:38,525 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:38,979 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:39,517 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:40,076 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:40,495 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:40,923 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:41,323 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:41,759 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:42,190 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:42,785 WARN L194 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:43,205 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:43,673 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:45,858 WARN L194 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:29:46,670 WARN L194 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:29:47,491 WARN L194 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:29:50,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:29:50,181 INFO L93 Difference]: Finished difference Result 10233 states and 11487 transitions. [2020-11-07 04:29:50,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-11-07 04:29:50,181 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 521 [2020-11-07 04:29:50,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:29:50,210 INFO L225 Difference]: With dead ends: 10233 [2020-11-07 04:29:50,210 INFO L226 Difference]: Without dead ends: 5623 [2020-11-07 04:29:50,224 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 125 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1206 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=895, Invalid=3797, Unknown=0, NotChecked=0, Total=4692 [2020-11-07 04:29:50,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5623 states. [2020-11-07 04:29:52,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5623 to 4941. [2020-11-07 04:29:52,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4941 states. [2020-11-07 04:29:52,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4941 states to 4941 states and 5417 transitions. [2020-11-07 04:29:52,310 INFO L78 Accepts]: Start accepts. Automaton has 4941 states and 5417 transitions. Word has length 521 [2020-11-07 04:29:52,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:29:52,311 INFO L481 AbstractCegarLoop]: Abstraction has 4941 states and 5417 transitions. [2020-11-07 04:29:52,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-11-07 04:29:52,311 INFO L276 IsEmpty]: Start isEmpty. Operand 4941 states and 5417 transitions. [2020-11-07 04:29:52,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2020-11-07 04:29:52,326 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:29:52,327 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:29:52,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-07 04:29:52,327 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 04:29:52,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:29:52,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1308097707, now seen corresponding path program 1 times [2020-11-07 04:29:52,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:29:52,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1429481440] [2020-11-07 04:29:52,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:29:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:52,737 WARN L194 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:29:52,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:52,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:29:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:52,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:29:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:52,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:29:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:52,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:29:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:52,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:29:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:52,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:29:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:52,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:29:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:52,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:52,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:52,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:29:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:52,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:52,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:52,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:52,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:29:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:52,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:52,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:52,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:52,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:29:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:52,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:52,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-11-07 04:29:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:29:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:29:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:29:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2020-11-07 04:29:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-11-07 04:29:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:29:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:29:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:29:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-11-07 04:29:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2020-11-07 04:29:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-11-07 04:29:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:29:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2020-11-07 04:29:53,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-11-07 04:29:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:53,354 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 119 proven. 38 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2020-11-07 04:29:53,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1429481440] [2020-11-07 04:29:53,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:29:53,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-11-07 04:29:53,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884747163] [2020-11-07 04:29:53,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-07 04:29:53,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:29:53,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-07 04:29:53,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:29:53,357 INFO L87 Difference]: Start difference. First operand 4941 states and 5417 transitions. Second operand 17 states. [2020-11-07 04:29:55,469 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:29:55,871 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:29:56,298 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:56,731 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:57,126 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:57,511 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:29:59,632 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:00,135 WARN L194 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:30:06,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:30:06,439 INFO L93 Difference]: Finished difference Result 14374 states and 16519 transitions. [2020-11-07 04:30:06,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-11-07 04:30:06,439 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 517 [2020-11-07 04:30:06,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:30:06,478 INFO L225 Difference]: With dead ends: 14374 [2020-11-07 04:30:06,478 INFO L226 Difference]: Without dead ends: 8615 [2020-11-07 04:30:06,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 121 SyntacticMatches, 6 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 521 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=486, Invalid=1676, Unknown=0, NotChecked=0, Total=2162 [2020-11-07 04:30:06,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8615 states. [2020-11-07 04:30:09,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8615 to 6629. [2020-11-07 04:30:09,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6629 states. [2020-11-07 04:30:09,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6629 states to 6629 states and 7367 transitions. [2020-11-07 04:30:09,509 INFO L78 Accepts]: Start accepts. Automaton has 6629 states and 7367 transitions. Word has length 517 [2020-11-07 04:30:09,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:30:09,510 INFO L481 AbstractCegarLoop]: Abstraction has 6629 states and 7367 transitions. [2020-11-07 04:30:09,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-07 04:30:09,510 INFO L276 IsEmpty]: Start isEmpty. Operand 6629 states and 7367 transitions. [2020-11-07 04:30:09,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-11-07 04:30:09,528 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:30:09,529 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:30:09,529 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-07 04:30:09,529 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 04:30:09,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:30:09,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1627125848, now seen corresponding path program 1 times [2020-11-07 04:30:09,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:30:09,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1222610938] [2020-11-07 04:30:09,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:30:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,941 WARN L194 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:30:09,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:30:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:30:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:30:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:30:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:30:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:30:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:30:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:30:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:30:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:30:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:30:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-11-07 04:30:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:30:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:30:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:30:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:30:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-11-07 04:30:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2020-11-07 04:30:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:30:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:30:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:30:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2020-11-07 04:30:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2020-11-07 04:30:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-11-07 04:30:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-11-07 04:30:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:30:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:30:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2020-11-07 04:30:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2020-11-07 04:30:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:10,639 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2020-11-07 04:30:10,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1222610938] [2020-11-07 04:30:10,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:30:10,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:30:10,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451672175] [2020-11-07 04:30:10,641 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:30:10,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:30:10,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:30:10,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:30:10,641 INFO L87 Difference]: Start difference. First operand 6629 states and 7367 transitions. Second operand 19 states. [2020-11-07 04:30:11,457 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:30:12,022 WARN L194 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:30:12,432 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:30:12,835 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:13,239 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:30:13,623 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:14,658 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:30:15,071 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:30:17,311 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:30:17,798 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:30:18,193 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:30:18,822 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:30:19,969 WARN L194 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:30:20,374 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:30:21,839 WARN L194 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:30:22,245 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:30:22,632 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:30:25,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:30:25,885 INFO L93 Difference]: Finished difference Result 13371 states and 15248 transitions. [2020-11-07 04:30:25,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-11-07 04:30:25,886 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 531 [2020-11-07 04:30:25,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:30:25,918 INFO L225 Difference]: With dead ends: 13371 [2020-11-07 04:30:25,918 INFO L226 Difference]: Without dead ends: 7427 [2020-11-07 04:30:25,936 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 701 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=582, Invalid=2388, Unknown=0, NotChecked=0, Total=2970 [2020-11-07 04:30:25,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7427 states. [2020-11-07 04:30:28,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7427 to 6519. [2020-11-07 04:30:28,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6519 states. [2020-11-07 04:30:28,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6519 states to 6519 states and 7219 transitions. [2020-11-07 04:30:28,745 INFO L78 Accepts]: Start accepts. Automaton has 6519 states and 7219 transitions. Word has length 531 [2020-11-07 04:30:28,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:30:28,746 INFO L481 AbstractCegarLoop]: Abstraction has 6519 states and 7219 transitions. [2020-11-07 04:30:28,746 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:30:28,746 INFO L276 IsEmpty]: Start isEmpty. Operand 6519 states and 7219 transitions. [2020-11-07 04:30:28,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2020-11-07 04:30:28,766 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:30:28,767 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:30:28,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-07 04:30:28,767 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 04:30:28,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:30:28,768 INFO L82 PathProgramCache]: Analyzing trace with hash 294802738, now seen corresponding path program 1 times [2020-11-07 04:30:28,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:30:28,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [249622341] [2020-11-07 04:30:28,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:30:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,191 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:30:29,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:30:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:30:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:30:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:30:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:30:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:30:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:30:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:30:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:30:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:30:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:30:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-11-07 04:30:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:30:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:30:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:30:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:30:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-11-07 04:30:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-11-07 04:30:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:30:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:30:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:30:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2020-11-07 04:30:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-11-07 04:30:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-11-07 04:30:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:30:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:30:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-11-07 04:30:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-11-07 04:30:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:29,958 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 139 proven. 36 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-11-07 04:30:29,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [249622341] [2020-11-07 04:30:29,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:30:29,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:30:29,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686433259] [2020-11-07 04:30:29,959 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:30:29,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:30:29,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:30:29,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:30:29,960 INFO L87 Difference]: Start difference. First operand 6519 states and 7219 transitions. Second operand 18 states. [2020-11-07 04:30:30,686 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:30:32,748 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:33,178 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:30:33,988 WARN L194 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:30:34,892 WARN L194 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:30:35,276 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:30:36,010 WARN L194 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:30:36,416 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:30:36,883 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:37,318 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:30:37,743 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:38,139 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:30:40,074 WARN L194 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:40,499 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:30:47,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:30:47,274 INFO L93 Difference]: Finished difference Result 13736 states and 15839 transitions. [2020-11-07 04:30:47,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-11-07 04:30:47,274 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 528 [2020-11-07 04:30:47,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:30:47,307 INFO L225 Difference]: With dead ends: 13736 [2020-11-07 04:30:47,307 INFO L226 Difference]: Without dead ends: 9838 [2020-11-07 04:30:47,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 135 SyntacticMatches, 8 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1029 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=719, Invalid=3063, Unknown=0, NotChecked=0, Total=3782 [2020-11-07 04:30:47,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9838 states. [2020-11-07 04:30:50,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9838 to 7768. [2020-11-07 04:30:50,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7768 states. [2020-11-07 04:30:50,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7768 states to 7768 states and 8578 transitions. [2020-11-07 04:30:50,487 INFO L78 Accepts]: Start accepts. Automaton has 7768 states and 8578 transitions. Word has length 528 [2020-11-07 04:30:50,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:30:50,487 INFO L481 AbstractCegarLoop]: Abstraction has 7768 states and 8578 transitions. [2020-11-07 04:30:50,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:30:50,488 INFO L276 IsEmpty]: Start isEmpty. Operand 7768 states and 8578 transitions. [2020-11-07 04:30:50,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2020-11-07 04:30:50,507 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:30:50,507 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:30:50,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-07 04:30:50,508 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 04:30:50,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:30:50,508 INFO L82 PathProgramCache]: Analyzing trace with hash -2101178366, now seen corresponding path program 1 times [2020-11-07 04:30:50,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:30:50,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1900428197] [2020-11-07 04:30:50,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:30:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:50,950 WARN L194 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:30:50,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:50,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:30:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:50,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:30:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:50,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:30:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:50,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:30:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:50,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:30:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:30:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:30:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:30:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:30:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:30:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:30:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-11-07 04:30:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:30:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:30:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:30:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:30:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-11-07 04:30:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-11-07 04:30:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:30:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:30:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:30:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:30:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2020-11-07 04:30:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-11-07 04:30:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-11-07 04:30:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2020-11-07 04:30:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:30:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:30:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-11-07 04:30:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2020-11-07 04:30:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:51,637 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 129 proven. 64 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2020-11-07 04:30:51,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1900428197] [2020-11-07 04:30:51,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:30:51,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:30:51,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145603635] [2020-11-07 04:30:51,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:30:51,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:30:51,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:30:51,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:30:51,639 INFO L87 Difference]: Start difference. First operand 7768 states and 8578 transitions. Second operand 18 states. [2020-11-07 04:30:52,504 WARN L194 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:30:54,543 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:54,987 WARN L194 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:30:55,828 WARN L194 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:30:56,199 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:30:57,033 WARN L194 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-11-07 04:30:57,419 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:30:58,170 WARN L194 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:30:58,578 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:30:59,172 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:30:59,648 WARN L194 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-11-07 04:31:00,091 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:31:00,489 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:31:01,862 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:31:02,309 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:31:03,163 WARN L194 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-11-07 04:31:04,064 WARN L194 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-11-07 04:31:04,963 WARN L194 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-11-07 04:31:05,965 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:31:06,398 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:31:09,978 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:31:11,099 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:31:11,521 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:31:12,295 WARN L194 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:31:13,114 WARN L194 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:31:13,864 WARN L194 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:31:21,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:31:21,954 INFO L93 Difference]: Finished difference Result 17895 states and 20785 transitions. [2020-11-07 04:31:21,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2020-11-07 04:31:21,955 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 543 [2020-11-07 04:31:21,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:31:22,000 INFO L225 Difference]: With dead ends: 17895 [2020-11-07 04:31:22,000 INFO L226 Difference]: Without dead ends: 13277 [2020-11-07 04:31:22,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 158 SyntacticMatches, 7 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3037 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=1590, Invalid=7530, Unknown=0, NotChecked=0, Total=9120 [2020-11-07 04:31:22,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13277 states. [2020-11-07 04:31:26,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13277 to 9460. [2020-11-07 04:31:26,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9460 states. [2020-11-07 04:31:26,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9460 states to 9460 states and 10416 transitions. [2020-11-07 04:31:26,557 INFO L78 Accepts]: Start accepts. Automaton has 9460 states and 10416 transitions. Word has length 543 [2020-11-07 04:31:26,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:31:26,558 INFO L481 AbstractCegarLoop]: Abstraction has 9460 states and 10416 transitions. [2020-11-07 04:31:26,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:31:26,558 INFO L276 IsEmpty]: Start isEmpty. Operand 9460 states and 10416 transitions. [2020-11-07 04:31:26,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2020-11-07 04:31:26,584 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:31:26,585 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, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 04:31:26,585 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-07 04:31:26,586 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 04:31:26,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:31:26,586 INFO L82 PathProgramCache]: Analyzing trace with hash 446611823, now seen corresponding path program 1 times [2020-11-07 04:31:26,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:31:26,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [74006704] [2020-11-07 04:31:26,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:31:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:26,985 WARN L194 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:31:26,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:31:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:31:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:31:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:31:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:31:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:31:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:31:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-11-07 04:31:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:31:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:31:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:31:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:31:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:31:27,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:31:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:31:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:31:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:31:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2020-11-07 04:31:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2020-11-07 04:31:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:31:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:31:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:31:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-11-07 04:31:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-11-07 04:31:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:31:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:31:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:31:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:31:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-11-07 04:31:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2020-11-07 04:31:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2020-11-07 04:31:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2020-11-07 04:31:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:31:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:31:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2020-11-07 04:31:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 625 [2020-11-07 04:31:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:27,568 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 121 proven. 12 refuted. 0 times theorem prover too weak. 712 trivial. 0 not checked. [2020-11-07 04:31:27,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [74006704] [2020-11-07 04:31:27,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:31:27,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-11-07 04:31:27,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60075848] [2020-11-07 04:31:27,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:31:27,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:31:27,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:31:27,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:31:27,571 INFO L87 Difference]: Start difference. First operand 9460 states and 10416 transitions. Second operand 11 states. [2020-11-07 04:31:28,268 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:31:29,367 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:31:34,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:31:34,264 INFO L93 Difference]: Finished difference Result 11748 states and 13223 transitions. [2020-11-07 04:31:34,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-11-07 04:31:34,264 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 639 [2020-11-07 04:31:34,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:31:34,280 INFO L225 Difference]: With dead ends: 11748 [2020-11-07 04:31:34,281 INFO L226 Difference]: Without dead ends: 4368 [2020-11-07 04:31:34,300 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=291, Invalid=1115, Unknown=0, NotChecked=0, Total=1406 [2020-11-07 04:31:34,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4368 states. [2020-11-07 04:31:36,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4368 to 3884. [2020-11-07 04:31:36,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3884 states. [2020-11-07 04:31:36,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3884 states to 3884 states and 4172 transitions. [2020-11-07 04:31:36,243 INFO L78 Accepts]: Start accepts. Automaton has 3884 states and 4172 transitions. Word has length 639 [2020-11-07 04:31:36,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:31:36,244 INFO L481 AbstractCegarLoop]: Abstraction has 3884 states and 4172 transitions. [2020-11-07 04:31:36,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:31:36,244 INFO L276 IsEmpty]: Start isEmpty. Operand 3884 states and 4172 transitions. [2020-11-07 04:31:36,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2020-11-07 04:31:36,256 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:31:36,256 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 04:31:36,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-07 04:31:36,257 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 04:31:36,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:31:36,257 INFO L82 PathProgramCache]: Analyzing trace with hash -627168203, now seen corresponding path program 2 times [2020-11-07 04:31:36,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:31:36,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1748582159] [2020-11-07 04:31:36,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:31:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:36,847 WARN L194 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:31:36,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:36,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:31:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:36,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:31:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:36,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:31:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:36,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:31:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:36,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:31:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:36,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:31:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:36,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:31:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:36,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:36,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:36,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:31:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:36,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:36,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:36,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:31:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:36,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:31:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:36,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:36,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:36,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:36,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:31:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-11-07 04:31:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:31:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:31:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:31:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:31:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-11-07 04:31:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-11-07 04:31:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:31:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:31:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:31:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:31:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-11-07 04:31:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-11-07 04:31:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:31:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:31:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:31:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2020-11-07 04:31:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2020-11-07 04:31:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2020-11-07 04:31:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:31:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:31:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-11-07 04:31:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2020-11-07 04:31:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:37,755 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 213 proven. 64 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2020-11-07 04:31:37,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1748582159] [2020-11-07 04:31:37,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:31:37,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:31:37,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864100692] [2020-11-07 04:31:37,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:31:37,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:31:37,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:31:37,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:31:37,757 INFO L87 Difference]: Start difference. First operand 3884 states and 4172 transitions. Second operand 19 states. [2020-11-07 04:31:38,520 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:31:39,640 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:31:40,687 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:31:41,822 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:31:42,256 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:31:43,056 WARN L194 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:31:43,849 WARN L194 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:31:44,239 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:31:44,975 WARN L194 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:31:45,386 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:31:50,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:31:50,732 INFO L93 Difference]: Finished difference Result 6816 states and 7476 transitions. [2020-11-07 04:31:50,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-11-07 04:31:50,733 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 626 [2020-11-07 04:31:50,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:31:50,748 INFO L225 Difference]: With dead ends: 6816 [2020-11-07 04:31:50,748 INFO L226 Difference]: Without dead ends: 4327 [2020-11-07 04:31:50,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 158 SyntacticMatches, 10 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 821 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=622, Invalid=2348, Unknown=0, NotChecked=0, Total=2970 [2020-11-07 04:31:50,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4327 states. [2020-11-07 04:31:52,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4327 to 3711. [2020-11-07 04:31:52,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3711 states. [2020-11-07 04:31:52,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3711 states to 3711 states and 3957 transitions. [2020-11-07 04:31:52,787 INFO L78 Accepts]: Start accepts. Automaton has 3711 states and 3957 transitions. Word has length 626 [2020-11-07 04:31:52,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:31:52,787 INFO L481 AbstractCegarLoop]: Abstraction has 3711 states and 3957 transitions. [2020-11-07 04:31:52,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:31:52,787 INFO L276 IsEmpty]: Start isEmpty. Operand 3711 states and 3957 transitions. [2020-11-07 04:31:52,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2020-11-07 04:31:52,793 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:31:52,794 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:31:52,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-07 04:31:52,794 INFO L429 AbstractCegarLoop]: === Iteration 19 === [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 04:31:52,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:31:52,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1214476959, now seen corresponding path program 2 times [2020-11-07 04:31:52,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:31:52,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1775696362] [2020-11-07 04:31:52,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:31:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,260 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:31:53,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:31:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:31:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:31:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:31:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:31:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:31:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:31:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:31:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:31:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:31:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:31:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-11-07 04:31:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:31:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:31:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:31:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:31:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-11-07 04:31:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-11-07 04:31:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:31:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:31:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:31:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:31:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-11-07 04:31:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-11-07 04:31:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:31:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:31:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:31:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:31:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-11-07 04:31:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2020-11-07 04:31:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2020-11-07 04:31:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2020-11-07 04:31:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:31:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:31:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2020-11-07 04:31:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:53,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2020-11-07 04:31:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:54,185 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 195 proven. 97 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2020-11-07 04:31:54,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1775696362] [2020-11-07 04:31:54,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:31:54,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:31:54,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716543352] [2020-11-07 04:31:54,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:31:54,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:31:54,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:31:54,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:31:54,188 INFO L87 Difference]: Start difference. First operand 3711 states and 3957 transitions. Second operand 19 states. [2020-11-07 04:31:54,925 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:31:56,207 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:31:57,305 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:31:58,352 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:31:58,781 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:31:59,596 WARN L194 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:32:00,415 WARN L194 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-11-07 04:32:00,810 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:32:01,567 WARN L194 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:32:01,973 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:32:05,083 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:32:05,888 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:32:06,313 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:32:07,086 WARN L194 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:32:07,885 WARN L194 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:32:08,632 WARN L194 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:32:12,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:32:12,747 INFO L93 Difference]: Finished difference Result 7283 states and 7959 transitions. [2020-11-07 04:32:12,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-11-07 04:32:12,748 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 641 [2020-11-07 04:32:12,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:32:12,763 INFO L225 Difference]: With dead ends: 7283 [2020-11-07 04:32:12,763 INFO L226 Difference]: Without dead ends: 4967 [2020-11-07 04:32:12,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 174 SyntacticMatches, 9 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1635 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=1131, Invalid=4271, Unknown=0, NotChecked=0, Total=5402 [2020-11-07 04:32:12,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4967 states. [2020-11-07 04:32:14,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4967 to 4182. [2020-11-07 04:32:14,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4182 states. [2020-11-07 04:32:14,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4182 states to 4182 states and 4457 transitions. [2020-11-07 04:32:14,678 INFO L78 Accepts]: Start accepts. Automaton has 4182 states and 4457 transitions. Word has length 641 [2020-11-07 04:32:14,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:32:14,679 INFO L481 AbstractCegarLoop]: Abstraction has 4182 states and 4457 transitions. [2020-11-07 04:32:14,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:32:14,679 INFO L276 IsEmpty]: Start isEmpty. Operand 4182 states and 4457 transitions. [2020-11-07 04:32:14,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2020-11-07 04:32:14,686 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:32:14,686 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:32:14,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-07 04:32:14,686 INFO L429 AbstractCegarLoop]: === Iteration 20 === [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 04:32:14,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:32:14,687 INFO L82 PathProgramCache]: Analyzing trace with hash 761863811, now seen corresponding path program 1 times [2020-11-07 04:32:14,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:32:14,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1717787484] [2020-11-07 04:32:14,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:32:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,208 WARN L194 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:32:15,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:32:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:32:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:32:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:32:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:32:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:32:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:32:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:32:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:32:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:32:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:32:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:32:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:32:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:32:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-11-07 04:32:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:32:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:32:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:32:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:32:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:32:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:32:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-11-07 04:32:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-11-07 04:32:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:32:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:32:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:32:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:32:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:32:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:32:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2020-11-07 04:32:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-11-07 04:32:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-11-07 04:32:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:32:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:32:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:32:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:32:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:32:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2020-11-07 04:32:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2020-11-07 04:32:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2020-11-07 04:32:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:32:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:32:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:32:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:32:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:32:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2020-11-07 04:32:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:15,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2020-11-07 04:32:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:16,286 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 188 proven. 144 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2020-11-07 04:32:16,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1717787484] [2020-11-07 04:32:16,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:32:16,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-11-07 04:32:16,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003316222] [2020-11-07 04:32:16,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-11-07 04:32:16,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:32:16,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-11-07 04:32:16,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2020-11-07 04:32:16,293 INFO L87 Difference]: Start difference. First operand 4182 states and 4457 transitions. Second operand 24 states. [2020-11-07 04:32:17,430 WARN L194 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2020-11-07 04:32:19,166 WARN L194 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-11-07 04:32:21,759 WARN L194 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-11-07 04:32:22,599 WARN L194 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-11-07 04:32:23,515 WARN L194 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-11-07 04:32:24,391 WARN L194 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-11-07 04:32:25,147 WARN L194 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-11-07 04:32:25,941 WARN L194 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-11-07 04:32:26,739 WARN L194 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-11-07 04:32:27,553 WARN L194 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:32:28,360 WARN L194 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-11-07 04:32:29,118 WARN L194 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:32:32,198 WARN L194 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-11-07 04:32:33,564 WARN L194 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-11-07 04:32:34,394 WARN L194 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 214 [2020-11-07 04:32:35,189 WARN L194 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-11-07 04:32:36,034 WARN L194 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 212 [2020-11-07 04:32:36,830 WARN L194 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-11-07 04:32:40,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:32:40,723 INFO L93 Difference]: Finished difference Result 7154 states and 7733 transitions. [2020-11-07 04:32:40,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-11-07 04:32:40,723 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 641 [2020-11-07 04:32:40,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:32:40,726 INFO L225 Difference]: With dead ends: 7154 [2020-11-07 04:32:40,726 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 04:32:40,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 163 SyntacticMatches, 11 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1554 ImplicationChecksByTransitivity, 15.8s TimeCoverageRelationStatistics Valid=801, Invalid=4749, Unknown=0, NotChecked=0, Total=5550 [2020-11-07 04:32:40,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 04:32:40,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 04:32:40,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 04:32:40,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 04:32:40,741 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 641 [2020-11-07 04:32:40,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:32:40,741 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 04:32:40,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-11-07 04:32:40,741 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 04:32:40,741 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 04:32:40,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-11-07 04:32:40,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 04:32:41,049 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2020-11-07 04:32:41,494 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:32:41,864 WARN L194 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 261 [2020-11-07 04:32:42,241 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 250 [2020-11-07 04:32:42,518 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 252 [2020-11-07 04:32:43,557 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 270 [2020-11-07 04:32:43,687 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 271 [2020-11-07 04:32:45,460 WARN L194 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 240 [2020-11-07 04:32:45,786 WARN L194 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 240 [2020-11-07 04:32:46,224 WARN L194 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:32:46,488 WARN L194 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:32:46,616 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 266 [2020-11-07 04:32:46,894 WARN L194 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 243 [2020-11-07 04:32:47,140 WARN L194 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 243 [2020-11-07 04:32:47,674 WARN L194 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 240 [2020-11-07 04:32:47,848 WARN L194 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:32:48,202 WARN L194 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-11-07 04:32:48,942 WARN L194 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 240 [2020-11-07 04:32:49,109 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 265 [2020-11-07 04:32:49,528 WARN L194 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:32:49,783 WARN L194 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 243 [2020-11-07 04:32:49,978 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 264 [2020-11-07 04:32:50,109 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 269 [2020-11-07 04:32:50,280 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 263 [2020-11-07 04:32:50,411 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 263 [2020-11-07 04:32:50,725 WARN L194 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-11-07 04:32:51,033 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 267 [2020-11-07 04:32:55,241 WARN L194 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 1027 DAG size of output: 677 [2020-11-07 04:32:55,500 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 279 [2020-11-07 04:32:55,640 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 273 [2020-11-07 04:32:56,911 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 252 [2020-11-07 04:32:57,062 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 254 [2020-11-07 04:32:59,367 WARN L194 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-11-07 04:33:01,843 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 264 [2020-11-07 04:33:01,987 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2020-11-07 04:33:02,995 WARN L194 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-11-07 04:33:03,170 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 262 [2020-11-07 04:33:04,564 WARN L194 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 270 [2020-11-07 04:33:04,695 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 269 [2020-11-07 04:33:04,940 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 268 [2020-11-07 04:33:05,207 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 241 [2020-11-07 04:33:05,422 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 245 [2020-11-07 04:33:06,080 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 257 [2020-11-07 04:33:06,233 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 259 [2020-11-07 04:33:06,868 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-11-07 04:33:07,131 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 265 [2020-11-07 04:33:07,690 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 267 [2020-11-07 04:33:07,866 WARN L194 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 269 [2020-11-07 04:33:08,927 WARN L194 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 284 [2020-11-07 04:33:09,176 WARN L194 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 285 [2020-11-07 04:33:09,480 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-11-07 04:33:09,683 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 265 [2020-11-07 04:33:10,641 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 252 [2020-11-07 04:33:10,792 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 254 [2020-11-07 04:33:11,888 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:33:12,058 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 261 [2020-11-07 04:33:13,062 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:33:13,233 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 261 [2020-11-07 04:33:18,652 WARN L194 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 1081 DAG size of output: 717 [2020-11-07 04:33:24,952 WARN L194 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 1081 DAG size of output: 717 [2020-11-07 04:33:26,568 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:33:26,740 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 261 [2020-11-07 04:33:29,312 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:33:29,519 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 261 [2020-11-07 04:33:32,943 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 219 [2020-11-07 04:33:33,276 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 222 [2020-11-07 04:33:38,275 WARN L194 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 1081 DAG size of output: 717 [2020-11-07 04:33:40,981 WARN L194 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 870 DAG size of output: 567 [2020-11-07 04:33:45,517 WARN L194 SmtUtils]: Spent 4.53 s on a formula simplification. DAG size of input: 1081 DAG size of output: 717 [2020-11-07 04:33:48,997 WARN L194 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 922 DAG size of output: 638 [2020-11-07 04:33:53,730 WARN L194 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 1081 DAG size of output: 717 [2020-11-07 04:33:54,010 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 252 [2020-11-07 04:33:54,180 WARN L194 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 265 [2020-11-07 04:33:56,921 WARN L194 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 870 DAG size of output: 567 [2020-11-07 04:34:07,098 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 256 [2020-11-07 04:34:11,037 WARN L194 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 985 DAG size of output: 648 [2020-11-07 04:34:11,292 WARN L194 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-11-07 04:34:11,593 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 262 [2020-11-07 04:34:12,142 WARN L194 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-11-07 04:34:12,649 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 262 [2020-11-07 04:34:12,936 WARN L194 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-11-07 04:34:14,373 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 264 [2020-11-07 04:34:14,534 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2020-11-07 04:34:15,587 WARN L194 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-11-07 04:34:15,776 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 262 [2020-11-07 04:34:16,905 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-11-07 04:34:20,859 WARN L194 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 985 DAG size of output: 648 [2020-11-07 04:34:20,999 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 219 [2020-11-07 04:34:21,809 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 219 [2020-11-07 04:34:21,993 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 222 [2020-11-07 04:34:24,843 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 262 [2020-11-07 04:34:25,247 WARN L194 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 262 [2020-11-07 04:34:29,015 WARN L194 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 281 [2020-11-07 04:34:29,202 WARN L194 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 283 [2020-11-07 04:34:32,171 WARN L194 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 870 DAG size of output: 567 [2020-11-07 04:34:33,068 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 279 [2020-11-07 04:34:33,207 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 273 [2020-11-07 04:34:34,421 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:34:34,596 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 261 [2020-11-07 04:34:36,731 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 269 [2020-11-07 04:34:37,588 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 267 [2020-11-07 04:34:40,033 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 274 [2020-11-07 04:34:40,190 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 272 [2020-11-07 04:34:43,575 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 222 [2020-11-07 04:34:43,768 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 222 [2020-11-07 04:34:44,084 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 219 [2020-11-07 04:34:44,224 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 223 [2020-11-07 04:34:44,480 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 223 [2020-11-07 04:34:44,865 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 226 [2020-11-07 04:34:45,091 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 226 [2020-11-07 04:34:45,650 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 222 [2020-11-07 04:34:45,800 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 223 [2020-11-07 04:34:46,233 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 225 [2020-11-07 04:34:46,959 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 222 [2020-11-07 04:34:47,065 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 219 [2020-11-07 04:34:47,532 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 223 [2020-11-07 04:34:47,643 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 222 [2020-11-07 04:34:47,821 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 226 [2020-11-07 04:34:48,693 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 225 [2020-11-07 04:34:49,553 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:34:49,729 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 261 [2020-11-07 04:34:51,920 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:34:52,129 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 261 [2020-11-07 04:34:56,236 WARN L194 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 870 DAG size of output: 567 [2020-11-07 04:34:58,719 WARN L194 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 870 DAG size of output: 567 [2020-11-07 04:35:03,931 WARN L194 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 1081 DAG size of output: 717 [2020-11-07 04:35:04,156 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 274 [2020-11-07 04:35:04,308 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 272 [2020-11-07 04:35:05,512 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 275 [2020-11-07 04:35:05,746 WARN L194 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 279 [2020-11-07 04:35:05,981 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 266 [2020-11-07 04:35:11,287 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 268 [2020-11-07 04:35:11,478 WARN L194 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 269 [2020-11-07 04:35:13,229 WARN L194 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 262 [2020-11-07 04:35:13,542 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 261 [2020-11-07 04:35:15,544 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 265 [2020-11-07 04:35:20,270 WARN L194 SmtUtils]: Spent 4.54 s on a formula simplification. DAG size of input: 1081 DAG size of output: 717 [2020-11-07 04:35:22,296 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-11-07 04:35:24,619 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 264 [2020-11-07 04:35:24,762 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2020-11-07 04:35:25,610 WARN L194 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-11-07 04:35:25,775 WARN L194 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 262 [2020-11-07 04:35:28,238 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 268 [2020-11-07 04:35:28,437 WARN L194 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 269 [2020-11-07 04:35:30,197 WARN L194 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 262 [2020-11-07 04:35:30,520 WARN L194 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 261 [2020-11-07 04:35:32,523 WARN L194 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 265 [2020-11-07 04:35:35,244 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:35:35,414 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 261 [2020-11-07 04:35:42,280 WARN L194 SmtUtils]: Spent 6.20 s on a formula simplification. DAG size of input: 1267 DAG size of output: 889 [2020-11-07 04:35:44,785 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 264 [2020-11-07 04:35:45,104 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 262 [2020-11-07 04:35:45,268 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 264 [2020-11-07 04:35:45,471 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 268 [2020-11-07 04:35:45,740 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2020-11-07 04:35:49,937 WARN L194 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 985 DAG size of output: 648 [2020-11-07 04:35:57,426 WARN L194 SmtUtils]: Spent 4.53 s on a formula simplification. DAG size of input: 1081 DAG size of output: 717 [2020-11-07 04:35:59,432 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 269 [2020-11-07 04:36:00,294 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 267 [2020-11-07 04:36:04,691 WARN L194 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-11-07 04:36:05,139 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-11-07 04:36:05,328 WARN L194 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-11-07 04:36:05,705 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-11-07 04:36:07,462 WARN L194 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 281 [2020-11-07 04:36:07,660 WARN L194 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 282 [2020-11-07 04:36:08,395 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:36:08,584 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 261 [2020-11-07 04:36:09,847 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 275 [2020-11-07 04:36:10,059 WARN L194 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 279 [2020-11-07 04:36:10,284 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 266 [2020-11-07 04:36:11,179 WARN L194 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 281 [2020-11-07 04:36:11,381 WARN L194 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 282 [2020-11-07 04:36:18,763 WARN L194 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 281 [2020-11-07 04:36:18,946 WARN L194 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 283 [2020-11-07 04:36:19,850 WARN L194 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-11-07 04:36:20,040 WARN L194 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 262 [2020-11-07 04:36:20,463 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-11-07 04:36:20,682 WARN L194 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-11-07 04:36:21,132 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 262 [2020-11-07 04:36:21,405 WARN L194 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-11-07 04:36:28,854 WARN L194 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 985 DAG size of output: 648 [2020-11-07 04:36:31,082 WARN L194 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 870 DAG size of output: 567 [2020-11-07 04:36:34,440 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2020-11-07 04:36:34,603 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-11-07 04:36:35,874 WARN L194 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-11-07 04:36:36,116 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 262 [2020-11-07 04:36:37,517 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 264 [2020-11-07 04:36:38,019 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 256 [2020-11-07 04:36:38,380 WARN L194 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 269 [2020-11-07 04:36:38,508 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 264 [2020-11-07 04:36:38,976 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 237 [2020-11-07 04:36:39,150 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-11-07 04:36:41,110 WARN L194 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2020-11-07 04:36:41,280 WARN L194 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 266 [2020-11-07 04:36:42,327 WARN L194 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 278 [2020-11-07 04:36:42,570 WARN L194 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 279 [2020-11-07 04:36:50,336 WARN L194 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 844 DAG size of output: 574 [2020-11-07 04:36:50,451 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 260 [2020-11-07 04:36:50,683 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 267 [2020-11-07 04:36:50,971 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 257 [2020-11-07 04:36:51,168 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 262 [2020-11-07 04:36:51,306 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-11-07 04:36:51,539 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-11-07 04:36:51,847 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 262 [2020-11-07 04:36:52,032 WARN L194 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 267 [2020-11-07 04:36:52,135 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 257 [2020-11-07 04:36:52,533 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 252 [2020-11-07 04:36:52,685 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 254 [2020-11-07 04:36:55,065 WARN L194 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 270 [2020-11-07 04:36:55,193 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 269 [2020-11-07 04:36:55,448 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 268 [2020-11-07 04:36:55,707 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 241 [2020-11-07 04:36:55,897 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 245 [2020-11-07 04:36:57,158 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-11-07 04:36:57,417 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 265 [2020-11-07 04:36:57,988 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 267 [2020-11-07 04:36:58,164 WARN L194 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 269 [2020-11-07 04:36:59,201 WARN L194 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 284 [2020-11-07 04:36:59,451 WARN L194 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 285 [2020-11-07 04:36:59,754 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-11-07 04:36:59,956 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 265 [2020-11-07 04:37:05,609 WARN L194 SmtUtils]: Spent 5.05 s on a formula simplification. DAG size of input: 311 DAG size of output: 48 [2020-11-07 04:37:07,225 WARN L194 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 292 DAG size of output: 46 [2020-11-07 04:37:11,034 WARN L194 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 394 DAG size of output: 72 [2020-11-07 04:37:15,635 WARN L194 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 416 DAG size of output: 77 [2020-11-07 04:37:21,576 WARN L194 SmtUtils]: Spent 5.90 s on a formula simplification. DAG size of input: 505 DAG size of output: 44 [2020-11-07 04:37:28,159 WARN L194 SmtUtils]: Spent 6.58 s on a formula simplification. DAG size of input: 522 DAG size of output: 56 [2020-11-07 04:37:31,456 WARN L194 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 305 DAG size of output: 44 [2020-11-07 04:37:34,178 WARN L194 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 277 DAG size of output: 30 [2020-11-07 04:37:35,199 WARN L194 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 1 [2020-11-07 04:37:35,347 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-11-07 04:37:38,408 WARN L194 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 546 DAG size of output: 1 [2020-11-07 04:37:39,392 WARN L194 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 23 [2020-11-07 04:37:50,532 WARN L194 SmtUtils]: Spent 11.10 s on a formula simplification. DAG size of input: 653 DAG size of output: 63 [2020-11-07 04:37:52,993 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 280 DAG size of output: 38 [2020-11-07 04:37:53,988 WARN L194 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 26 [2020-11-07 04:37:54,971 WARN L194 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 1 [2020-11-07 04:37:55,720 WARN L194 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 33 [2020-11-07 04:37:59,857 WARN L194 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 305 DAG size of output: 47 [2020-11-07 04:38:08,458 WARN L194 SmtUtils]: Spent 8.57 s on a formula simplification. DAG size of input: 553 DAG size of output: 64 [2020-11-07 04:38:09,177 WARN L194 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:38:15,455 WARN L194 SmtUtils]: Spent 6.26 s on a formula simplification. DAG size of input: 320 DAG size of output: 53 [2020-11-07 04:38:24,039 WARN L194 SmtUtils]: Spent 8.58 s on a formula simplification. DAG size of input: 553 DAG size of output: 64 [2020-11-07 04:38:27,011 WARN L194 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 285 DAG size of output: 57 [2020-11-07 04:38:27,763 WARN L194 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:38:31,230 WARN L194 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 278 DAG size of output: 50 [2020-11-07 04:38:34,532 WARN L194 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 275 DAG size of output: 46 [2020-11-07 04:38:38,675 WARN L194 SmtUtils]: Spent 4.13 s on a formula simplification. DAG size of input: 305 DAG size of output: 47 [2020-11-07 04:38:42,144 WARN L194 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 278 DAG size of output: 50 [2020-11-07 04:38:45,856 WARN L194 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 215 DAG size of output: 46 [2020-11-07 04:38:47,538 WARN L194 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 296 DAG size of output: 51 [2020-11-07 04:38:48,521 WARN L194 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 1 [2020-11-07 04:38:53,246 WARN L194 SmtUtils]: Spent 4.69 s on a formula simplification. DAG size of input: 375 DAG size of output: 77 [2020-11-07 04:38:54,946 WARN L194 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 296 DAG size of output: 51 [2020-11-07 04:38:55,206 WARN L194 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 1 [2020-11-07 04:38:55,388 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-11-07 04:38:56,211 WARN L194 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 28 [2020-11-07 04:39:00,034 WARN L194 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 214 DAG size of output: 46 [2020-11-07 04:39:02,872 WARN L194 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 279 DAG size of output: 30 [2020-11-07 04:39:11,467 WARN L194 SmtUtils]: Spent 8.59 s on a formula simplification. DAG size of input: 553 DAG size of output: 64 [2020-11-07 04:39:13,935 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 273 DAG size of output: 31 [2020-11-07 04:39:17,604 WARN L194 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 388 DAG size of output: 56 [2020-11-07 04:39:26,188 WARN L194 SmtUtils]: Spent 8.58 s on a formula simplification. DAG size of input: 553 DAG size of output: 64 [2020-11-07 04:39:32,497 WARN L194 SmtUtils]: Spent 6.30 s on a formula simplification. DAG size of input: 491 DAG size of output: 52 [2020-11-07 04:39:33,182 WARN L194 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 45 [2020-11-07 04:39:41,795 WARN L194 SmtUtils]: Spent 8.61 s on a formula simplification. DAG size of input: 553 DAG size of output: 64 [2020-11-07 04:39:44,645 WARN L194 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 278 DAG size of output: 33 [2020-11-07 04:39:45,443 WARN L194 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 21 [2020-11-07 04:39:49,021 WARN L194 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 388 DAG size of output: 56 [2020-11-07 04:39:51,905 WARN L194 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 382 DAG size of output: 43 [2020-11-07 04:39:54,185 WARN L194 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 275 DAG size of output: 36 [2020-11-07 04:39:54,903 WARN L194 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:39:55,087 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-11-07 04:39:55,865 WARN L194 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 31 [2020-11-07 04:39:56,613 WARN L194 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 29 [2020-11-07 04:39:59,862 WARN L194 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 303 DAG size of output: 46 [2020-11-07 04:40:00,135 WARN L194 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 1 [2020-11-07 04:40:00,406 WARN L194 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 1 [2020-11-07 04:40:01,147 WARN L194 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 29 [2020-11-07 04:40:05,366 WARN L194 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 310 DAG size of output: 68 [2020-11-07 04:40:08,249 WARN L194 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 358 DAG size of output: 70 [2020-11-07 04:40:08,514 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 1 [2020-11-07 04:40:11,436 WARN L194 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 382 DAG size of output: 43 [2020-11-07 04:40:13,332 WARN L194 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 264 DAG size of output: 48 [2020-11-07 04:40:14,036 WARN L194 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 23 [2020-11-07 04:40:18,239 WARN L194 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 310 DAG size of output: 68 [2020-11-07 04:40:19,322 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 189 DAG size of output: 26 [2020-11-07 04:40:25,975 WARN L194 SmtUtils]: Spent 6.65 s on a formula simplification. DAG size of input: 492 DAG size of output: 54