/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_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 00:16:56,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 00:16:56,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 00:16:56,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 00:16:56,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 00:16:56,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 00:16:56,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 00:16:56,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 00:16:56,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 00:16:56,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 00:16:56,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 00:16:56,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 00:16:56,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 00:16:56,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 00:16:56,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 00:16:56,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 00:16:56,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 00:16:56,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 00:16:56,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 00:16:56,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 00:16:56,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 00:16:56,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 00:16:56,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 00:16:56,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 00:16:56,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 00:16:56,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 00:16:56,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 00:16:56,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 00:16:56,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 00:16:56,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 00:16:56,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 00:16:56,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 00:16:56,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 00:16:56,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 00:16:56,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 00:16:56,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 00:16:56,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 00:16:56,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 00:16:56,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 00:16:56,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 00:16:56,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 00:16:56,924 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 00:16:56,944 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 00:16:56,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 00:16:56,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 00:16:56,949 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 00:16:56,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 00:16:56,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 00:16:56,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 00:16:56,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 00:16:56,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 00:16:56,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 00:16:56,951 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 00:16:56,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 00:16:56,952 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 00:16:56,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 00:16:56,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 00:16:56,952 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 00:16:56,953 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 00:16:56,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 00:16:56,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:16:56,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 00:16:56,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 00:16:56,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 00:16:56,954 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 00:16:57,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 00:16:57,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 00:16:57,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 00:16:57,421 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 00:16:57,422 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 00:16:57,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c [2020-10-24 00:16:57,497 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1869bddb/17831f1fa7f2401bb5ed92d1a3755ac4/FLAG384c57834 [2020-10-24 00:16:58,217 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 00:16:58,218 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c [2020-10-24 00:16:58,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1869bddb/17831f1fa7f2401bb5ed92d1a3755ac4/FLAG384c57834 [2020-10-24 00:16:58,428 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1869bddb/17831f1fa7f2401bb5ed92d1a3755ac4 [2020-10-24 00:16:58,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 00:16:58,440 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 00:16:58,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 00:16:58,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 00:16:58,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 00:16:58,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:16:58" (1/1) ... [2020-10-24 00:16:58,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@490ed2d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:16:58, skipping insertion in model container [2020-10-24 00:16:58,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:16:58" (1/1) ... [2020-10-24 00:16:58,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 00:16:58,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 00:16:58,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:16:58,899 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 00:16:58,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:16:59,043 INFO L208 MainTranslator]: Completed translation [2020-10-24 00:16:59,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:16:59 WrapperNode [2020-10-24 00:16:59,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 00:16:59,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 00:16:59,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 00:16:59,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 00:16:59,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:16:59" (1/1) ... [2020-10-24 00:16:59,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:16:59" (1/1) ... [2020-10-24 00:16:59,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:16:59" (1/1) ... [2020-10-24 00:16:59,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:16:59" (1/1) ... [2020-10-24 00:16:59,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:16:59" (1/1) ... [2020-10-24 00:16:59,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:16:59" (1/1) ... [2020-10-24 00:16:59,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:16:59" (1/1) ... [2020-10-24 00:16:59,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 00:16:59,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 00:16:59,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 00:16:59,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 00:16:59,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:16:59" (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 [2020-10-24 00:16:59,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 00:16:59,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 00:16:59,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-24 00:16:59,316 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 00:16:59,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-24 00:16:59,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-24 00:16:59,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-24 00:16:59,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-24 00:16:59,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-24 00:16:59,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-24 00:16:59,318 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-24 00:16:59,318 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-24 00:16:59,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-24 00:16:59,319 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-24 00:16:59,319 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 00:16:59,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-24 00:16:59,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-24 00:16:59,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-24 00:16:59,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-24 00:16:59,321 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-24 00:16:59,321 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-24 00:16:59,321 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-24 00:16:59,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-24 00:16:59,324 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-24 00:16:59,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-24 00:16:59,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-24 00:16:59,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-24 00:16:59,325 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-24 00:16:59,325 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-24 00:16:59,325 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-24 00:16:59,325 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-24 00:16:59,325 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-24 00:16:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-24 00:16:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-24 00:16:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-24 00:16:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-24 00:16:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-24 00:16:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-24 00:16:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-24 00:16:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-24 00:16:59,327 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-24 00:16:59,327 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-24 00:16:59,327 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-24 00:16:59,327 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-24 00:16:59,327 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-24 00:16:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 00:16:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 00:16:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 00:16:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 00:16:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 00:16:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-24 00:16:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-24 00:16:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-24 00:16:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-24 00:16:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-24 00:16:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-24 00:16:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 00:16:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-24 00:16:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-24 00:16:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 00:16:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-24 00:16:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-24 00:16:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 00:16:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-24 00:16:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-24 00:16:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-24 00:16:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-24 00:16:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-24 00:16:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-24 00:16:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-24 00:16:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-24 00:16:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-24 00:16:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-24 00:16:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-24 00:16:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-24 00:16:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-24 00:16:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-24 00:16:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-24 00:16:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-24 00:16:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 00:16:59,334 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-24 00:16:59,334 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-24 00:16:59,335 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-24 00:16:59,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-24 00:16:59,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-24 00:16:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-24 00:16:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-24 00:16:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-24 00:16:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-24 00:16:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-24 00:16:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-24 00:16:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-24 00:16:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-24 00:16:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-24 00:16:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-24 00:16:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-24 00:16:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-24 00:16:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-24 00:16:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-24 00:16:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-24 00:16:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-24 00:16:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 00:16:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 00:16:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 00:17:00,857 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 00:17:00,857 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-24 00:17:00,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:17:00 BoogieIcfgContainer [2020-10-24 00:17:00,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 00:17:00,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 00:17:00,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 00:17:00,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 00:17:00,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:16:58" (1/3) ... [2020-10-24 00:17:00,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dccf185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:17:00, skipping insertion in model container [2020-10-24 00:17:00,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:16:59" (2/3) ... [2020-10-24 00:17:00,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dccf185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:17:00, skipping insertion in model container [2020-10-24 00:17:00,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:17:00" (3/3) ... [2020-10-24 00:17:00,869 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product52.cil.c [2020-10-24 00:17:00,881 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 00:17:00,887 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-24 00:17:00,900 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-24 00:17:00,924 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 00:17:00,924 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 00:17:00,925 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 00:17:00,925 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 00:17:00,925 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 00:17:00,925 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 00:17:00,925 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 00:17:00,925 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 00:17:00,950 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states. [2020-10-24 00:17:00,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-24 00:17:00,972 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:17:00,973 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] [2020-10-24 00:17:00,974 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]=== [2020-10-24 00:17:00,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:17:00,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1419994829, now seen corresponding path program 1 times [2020-10-24 00:17:00,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:17:00,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1645582639] [2020-10-24 00:17:00,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:17:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:01,847 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:17:01,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:02,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:17:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:02,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:17:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:02,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:17:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:02,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:17:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:02,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:17:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:02,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-24 00:17:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:02,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:02,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-24 00:17:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:02,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-24 00:17:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:02,106 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:17:02,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1645582639] [2020-10-24 00:17:02,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:17:02,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-24 00:17:02,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465031887] [2020-10-24 00:17:02,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-24 00:17:02,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:17:02,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-24 00:17:02,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-24 00:17:02,130 INFO L87 Difference]: Start difference. First operand 344 states. Second operand 4 states. [2020-10-24 00:17:03,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:17:03,877 INFO L93 Difference]: Finished difference Result 542 states and 637 transitions. [2020-10-24 00:17:03,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-24 00:17:03,880 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-10-24 00:17:03,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:17:03,898 INFO L225 Difference]: With dead ends: 542 [2020-10-24 00:17:03,898 INFO L226 Difference]: Without dead ends: 339 [2020-10-24 00:17:03,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-24 00:17:03,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-10-24 00:17:04,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 290. [2020-10-24 00:17:04,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-10-24 00:17:04,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 316 transitions. [2020-10-24 00:17:04,130 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 316 transitions. Word has length 166 [2020-10-24 00:17:04,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:17:04,131 INFO L481 AbstractCegarLoop]: Abstraction has 290 states and 316 transitions. [2020-10-24 00:17:04,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-24 00:17:04,131 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 316 transitions. [2020-10-24 00:17:04,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-24 00:17:04,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:17:04,137 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] [2020-10-24 00:17:04,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 00:17:04,137 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]=== [2020-10-24 00:17:04,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:17:04,138 INFO L82 PathProgramCache]: Analyzing trace with hash 54479695, now seen corresponding path program 1 times [2020-10-24 00:17:04,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:17:04,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1435978670] [2020-10-24 00:17:04,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:17:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:04,656 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:17:04,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:04,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:17:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:04,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:17:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:04,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:17:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:04,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:17:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:04,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:17:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:04,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:17:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:04,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:04,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:17:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:04,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:17:04,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:04,810 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:17:04,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1435978670] [2020-10-24 00:17:04,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:17:04,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-24 00:17:04,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782352539] [2020-10-24 00:17:04,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 00:17:04,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:17:04,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 00:17:04,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 00:17:04,817 INFO L87 Difference]: Start difference. First operand 290 states and 316 transitions. Second operand 5 states. [2020-10-24 00:17:05,707 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:17:07,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:17:07,109 INFO L93 Difference]: Finished difference Result 458 states and 517 transitions. [2020-10-24 00:17:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 00:17:07,110 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-10-24 00:17:07,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:17:07,115 INFO L225 Difference]: With dead ends: 458 [2020-10-24 00:17:07,115 INFO L226 Difference]: Without dead ends: 328 [2020-10-24 00:17:07,117 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 [2020-10-24 00:17:07,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-10-24 00:17:07,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 280. [2020-10-24 00:17:07,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-10-24 00:17:07,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 303 transitions. [2020-10-24 00:17:07,223 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 303 transitions. Word has length 167 [2020-10-24 00:17:07,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:17:07,224 INFO L481 AbstractCegarLoop]: Abstraction has 280 states and 303 transitions. [2020-10-24 00:17:07,224 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 00:17:07,225 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 303 transitions. [2020-10-24 00:17:07,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-24 00:17:07,228 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:17:07,228 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:17:07,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 00:17:07,229 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]=== [2020-10-24 00:17:07,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:17:07,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1643461323, now seen corresponding path program 1 times [2020-10-24 00:17:07,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:17:07,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1735781289] [2020-10-24 00:17:07,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:17:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,685 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:17:07,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:17:07,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:17:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:17:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:17:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:17:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:17:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:17:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-24 00:17:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-24 00:17:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,932 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:17:07,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1735781289] [2020-10-24 00:17:07,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:17:07,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-24 00:17:07,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660662741] [2020-10-24 00:17:07,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 00:17:07,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:17:07,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 00:17:07,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:17:07,937 INFO L87 Difference]: Start difference. First operand 280 states and 303 transitions. Second operand 11 states. [2020-10-24 00:17:08,593 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:17:09,098 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:09,542 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:17:09,953 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:17:10,339 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:17:10,745 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:17:12,225 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:17:15,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:17:15,316 INFO L93 Difference]: Finished difference Result 768 states and 893 transitions. [2020-10-24 00:17:15,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-24 00:17:15,318 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 180 [2020-10-24 00:17:15,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:17:15,326 INFO L225 Difference]: With dead ends: 768 [2020-10-24 00:17:15,327 INFO L226 Difference]: Without dead ends: 608 [2020-10-24 00:17:15,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-10-24 00:17:15,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2020-10-24 00:17:15,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 507. [2020-10-24 00:17:15,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2020-10-24 00:17:15,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 569 transitions. [2020-10-24 00:17:15,547 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 569 transitions. Word has length 180 [2020-10-24 00:17:15,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:17:15,548 INFO L481 AbstractCegarLoop]: Abstraction has 507 states and 569 transitions. [2020-10-24 00:17:15,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 00:17:15,548 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 569 transitions. [2020-10-24 00:17:15,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-24 00:17:15,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:17:15,554 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] [2020-10-24 00:17:15,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 00:17:15,554 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]=== [2020-10-24 00:17:15,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:17:15,555 INFO L82 PathProgramCache]: Analyzing trace with hash -94671, now seen corresponding path program 1 times [2020-10-24 00:17:15,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:17:15,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1893266941] [2020-10-24 00:17:15,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:17:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:16,023 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:17:16,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:16,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:17:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:16,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:17:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:16,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:17:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:16,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:17:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:16,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:17:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:16,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-24 00:17:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:16,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-24 00:17:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:16,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:16,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-24 00:17:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:16,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-24 00:17:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:16,200 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-24 00:17:16,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1893266941] [2020-10-24 00:17:16,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:17:16,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 00:17:16,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843402378] [2020-10-24 00:17:16,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:17:16,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:17:16,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:17:16,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:17:16,203 INFO L87 Difference]: Start difference. First operand 507 states and 569 transitions. Second operand 10 states. [2020-10-24 00:17:16,846 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:17:17,990 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:17:18,403 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:17:19,745 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:17:20,168 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:17:20,619 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:17:21,019 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:17:21,459 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:17:21,847 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:17:23,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:17:23,014 INFO L93 Difference]: Finished difference Result 1159 states and 1390 transitions. [2020-10-24 00:17:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-24 00:17:23,015 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 185 [2020-10-24 00:17:23,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:17:23,022 INFO L225 Difference]: With dead ends: 1159 [2020-10-24 00:17:23,022 INFO L226 Difference]: Without dead ends: 772 [2020-10-24 00:17:23,025 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-10-24 00:17:23,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2020-10-24 00:17:23,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 679. [2020-10-24 00:17:23,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2020-10-24 00:17:23,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 765 transitions. [2020-10-24 00:17:23,323 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 765 transitions. Word has length 185 [2020-10-24 00:17:23,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:17:23,324 INFO L481 AbstractCegarLoop]: Abstraction has 679 states and 765 transitions. [2020-10-24 00:17:23,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:17:23,324 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 765 transitions. [2020-10-24 00:17:23,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-24 00:17:23,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:17:23,328 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] [2020-10-24 00:17:23,328 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 00:17:23,329 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]=== [2020-10-24 00:17:23,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:17:23,329 INFO L82 PathProgramCache]: Analyzing trace with hash -883161186, now seen corresponding path program 1 times [2020-10-24 00:17:23,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:17:23,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1133960473] [2020-10-24 00:17:23,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:17:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:23,702 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:17:23,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:23,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:17:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:23,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:17:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:23,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:17:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:23,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:17:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:23,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:17:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:23,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:17:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:23,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:17:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:23,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:23,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:17:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:23,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:23,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:23,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:23,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:17:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:23,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-24 00:17:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:23,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-24 00:17:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:23,921 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:17:23,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1133960473] [2020-10-24 00:17:23,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:17:23,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-24 00:17:23,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639774155] [2020-10-24 00:17:23,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 00:17:23,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:17:23,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 00:17:23,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:17:23,923 INFO L87 Difference]: Start difference. First operand 679 states and 765 transitions. Second operand 11 states. [2020-10-24 00:17:25,875 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:17:26,303 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:17:26,709 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:17:27,098 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:17:27,488 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:27,858 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:17:29,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:17:29,180 INFO L93 Difference]: Finished difference Result 1446 states and 1734 transitions. [2020-10-24 00:17:29,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-24 00:17:29,182 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 218 [2020-10-24 00:17:29,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:17:29,189 INFO L225 Difference]: With dead ends: 1446 [2020-10-24 00:17:29,189 INFO L226 Difference]: Without dead ends: 887 [2020-10-24 00:17:29,192 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-10-24 00:17:29,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2020-10-24 00:17:29,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 698. [2020-10-24 00:17:29,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 698 states. [2020-10-24 00:17:29,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 785 transitions. [2020-10-24 00:17:29,460 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 785 transitions. Word has length 218 [2020-10-24 00:17:29,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:17:29,461 INFO L481 AbstractCegarLoop]: Abstraction has 698 states and 785 transitions. [2020-10-24 00:17:29,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 00:17:29,461 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 785 transitions. [2020-10-24 00:17:29,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-24 00:17:29,465 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:17:29,465 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] [2020-10-24 00:17:29,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 00:17:29,465 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]=== [2020-10-24 00:17:29,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:17:29,466 INFO L82 PathProgramCache]: Analyzing trace with hash -469529794, now seen corresponding path program 1 times [2020-10-24 00:17:29,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:17:29,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1431651512] [2020-10-24 00:17:29,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:17:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:29,859 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:17:29,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:29,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:17:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:29,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:17:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:29,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:17:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:29,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:17:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:29,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:17:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:29,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:17:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:29,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:17:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:29,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:29,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:17:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:29,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:29,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:30,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:30,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:17:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:30,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-24 00:17:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:30,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-24 00:17:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:30,146 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:17:30,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1431651512] [2020-10-24 00:17:30,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:17:30,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-24 00:17:30,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890631130] [2020-10-24 00:17:30,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 00:17:30,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:17:30,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 00:17:30,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-24 00:17:30,148 INFO L87 Difference]: Start difference. First operand 698 states and 785 transitions. Second operand 14 states. [2020-10-24 00:17:30,951 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:17:31,359 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:17:31,743 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:17:32,132 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:32,496 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:17:33,883 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:17:34,310 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:34,725 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:17:35,163 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:35,563 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:17:37,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:17:37,543 INFO L93 Difference]: Finished difference Result 1487 states and 1801 transitions. [2020-10-24 00:17:37,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-24 00:17:37,544 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-10-24 00:17:37,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:17:37,552 INFO L225 Difference]: With dead ends: 1487 [2020-10-24 00:17:37,552 INFO L226 Difference]: Without dead ends: 909 [2020-10-24 00:17:37,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-10-24 00:17:37,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2020-10-24 00:17:37,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 710. [2020-10-24 00:17:37,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 710 states. [2020-10-24 00:17:37,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 797 transitions. [2020-10-24 00:17:37,841 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 797 transitions. Word has length 218 [2020-10-24 00:17:37,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:17:37,842 INFO L481 AbstractCegarLoop]: Abstraction has 710 states and 797 transitions. [2020-10-24 00:17:37,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 00:17:37,842 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 797 transitions. [2020-10-24 00:17:37,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-24 00:17:37,846 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:17:37,846 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] [2020-10-24 00:17:37,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 00:17:37,847 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]=== [2020-10-24 00:17:37,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:17:37,847 INFO L82 PathProgramCache]: Analyzing trace with hash -539047903, now seen corresponding path program 1 times [2020-10-24 00:17:37,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:17:37,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1760018155] [2020-10-24 00:17:37,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:17:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:38,279 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:17:38,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:38,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:17:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:38,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:17:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:38,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:17:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:38,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:17:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:38,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:17:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:38,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:17:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:38,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:17:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:38,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:38,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:17:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:38,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:38,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:38,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:38,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:17:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:38,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-24 00:17:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:38,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-24 00:17:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:38,561 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:17:38,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1760018155] [2020-10-24 00:17:38,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:17:38,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-24 00:17:38,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781915723] [2020-10-24 00:17:38,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 00:17:38,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:17:38,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 00:17:38,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-24 00:17:38,563 INFO L87 Difference]: Start difference. First operand 710 states and 797 transitions. Second operand 8 states. [2020-10-24 00:17:39,230 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:17:40,051 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:17:43,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:17:43,827 INFO L93 Difference]: Finished difference Result 2257 states and 2762 transitions. [2020-10-24 00:17:43,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-24 00:17:43,828 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-10-24 00:17:43,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:17:43,840 INFO L225 Difference]: With dead ends: 2257 [2020-10-24 00:17:43,840 INFO L226 Difference]: Without dead ends: 1667 [2020-10-24 00:17:43,843 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 44 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2020-10-24 00:17:43,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2020-10-24 00:17:44,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1398. [2020-10-24 00:17:44,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1398 states. [2020-10-24 00:17:44,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1398 states and 1594 transitions. [2020-10-24 00:17:44,545 INFO L78 Accepts]: Start accepts. Automaton has 1398 states and 1594 transitions. Word has length 218 [2020-10-24 00:17:44,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:17:44,546 INFO L481 AbstractCegarLoop]: Abstraction has 1398 states and 1594 transitions. [2020-10-24 00:17:44,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 00:17:44,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1594 transitions. [2020-10-24 00:17:44,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-24 00:17:44,549 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:17:44,549 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] [2020-10-24 00:17:44,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 00:17:44,550 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]=== [2020-10-24 00:17:44,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:17:44,550 INFO L82 PathProgramCache]: Analyzing trace with hash 251323339, now seen corresponding path program 1 times [2020-10-24 00:17:44,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:17:44,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [520542690] [2020-10-24 00:17:44,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:17:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:45,068 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:17:45,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:45,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:17:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:45,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:17:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:45,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:17:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:45,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:17:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:45,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:17:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:45,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:17:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:45,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:17:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:45,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-24 00:17:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:45,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:45,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-24 00:17:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:45,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:45,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:45,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:45,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:17:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:45,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-24 00:17:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:45,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-24 00:17:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:45,346 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:17:45,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [520542690] [2020-10-24 00:17:45,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:17:45,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-24 00:17:45,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832750774] [2020-10-24 00:17:45,347 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-24 00:17:45,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:17:45,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-24 00:17:45,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-24 00:17:45,348 INFO L87 Difference]: Start difference. First operand 1398 states and 1594 transitions. Second operand 15 states. [2020-10-24 00:17:46,402 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-24 00:17:47,467 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:17:49,161 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-10-24 00:17:49,937 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-24 00:17:50,426 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:17:50,827 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:17:51,612 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-24 00:17:52,034 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:17:52,489 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:17:52,899 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:17:56,858 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-24 00:17:57,896 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:17:58,262 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:17:58,668 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:18:00,255 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-10-24 00:18:00,988 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-10-24 00:18:01,783 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-10-24 00:18:02,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:18:02,803 INFO L93 Difference]: Finished difference Result 4280 states and 5255 transitions. [2020-10-24 00:18:02,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-10-24 00:18:02,804 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 223 [2020-10-24 00:18:02,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:18:02,824 INFO L225 Difference]: With dead ends: 4280 [2020-10-24 00:18:02,824 INFO L226 Difference]: Without dead ends: 3283 [2020-10-24 00:18:02,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1272 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=816, Invalid=3216, Unknown=0, NotChecked=0, Total=4032 [2020-10-24 00:18:02,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2020-10-24 00:18:04,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 2571. [2020-10-24 00:18:04,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2571 states. [2020-10-24 00:18:04,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2571 states to 2571 states and 2913 transitions. [2020-10-24 00:18:04,264 INFO L78 Accepts]: Start accepts. Automaton has 2571 states and 2913 transitions. Word has length 223 [2020-10-24 00:18:04,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:18:04,264 INFO L481 AbstractCegarLoop]: Abstraction has 2571 states and 2913 transitions. [2020-10-24 00:18:04,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-24 00:18:04,265 INFO L276 IsEmpty]: Start isEmpty. Operand 2571 states and 2913 transitions. [2020-10-24 00:18:04,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-10-24 00:18:04,269 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:18:04,270 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:18:04,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 00:18:04,271 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]=== [2020-10-24 00:18:04,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:18:04,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1721034846, now seen corresponding path program 1 times [2020-10-24 00:18:04,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:18:04,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1718213143] [2020-10-24 00:18:04,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:18:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:04,695 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:18:04,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:04,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:18:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:04,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:18:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:04,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:18:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:04,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:18:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:04,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:18:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:04,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:18:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:04,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:18:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:04,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:18:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:04,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:04,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:04,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:18:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:04,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:04,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:04,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:04,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:18:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:04,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:18:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:04,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:04,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:18:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:04,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-24 00:18:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-24 00:18:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-24 00:18:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:18:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-10-24 00:18:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-10-24 00:18:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,245 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-24 00:18:05,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1718213143] [2020-10-24 00:18:05,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:18:05,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:18:05,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710548998] [2020-10-24 00:18:05,247 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:18:05,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:18:05,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:18:05,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:18:05,248 INFO L87 Difference]: Start difference. First operand 2571 states and 2913 transitions. Second operand 19 states. [2020-10-24 00:18:06,116 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:18:06,664 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:18:07,091 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-24 00:18:07,495 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:18:07,909 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:18:08,332 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:18:09,566 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-24 00:18:10,143 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:18:10,633 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:18:11,056 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:18:11,647 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:18:12,148 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-24 00:18:12,622 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:18:14,765 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:18:16,901 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:18:17,724 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:18:18,563 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-24 00:18:19,147 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:18:20,217 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:18:21,009 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-24 00:18:21,477 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-24 00:18:22,440 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-10-24 00:18:23,314 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-10-24 00:18:24,811 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-24 00:18:25,571 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:18:26,468 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-10-24 00:18:29,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:18:29,002 INFO L93 Difference]: Finished difference Result 5833 states and 6889 transitions. [2020-10-24 00:18:29,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-10-24 00:18:29,002 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 314 [2020-10-24 00:18:29,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:18:29,022 INFO L225 Difference]: With dead ends: 5833 [2020-10-24 00:18:29,023 INFO L226 Difference]: Without dead ends: 3648 [2020-10-24 00:18:29,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2483 ImplicationChecksByTransitivity, 14.8s TimeCoverageRelationStatistics Valid=1506, Invalid=6504, Unknown=0, NotChecked=0, Total=8010 [2020-10-24 00:18:29,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3648 states. [2020-10-24 00:18:30,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3648 to 2997. [2020-10-24 00:18:30,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2997 states. [2020-10-24 00:18:30,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 2997 states and 3342 transitions. [2020-10-24 00:18:30,373 INFO L78 Accepts]: Start accepts. Automaton has 2997 states and 3342 transitions. Word has length 314 [2020-10-24 00:18:30,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:18:30,374 INFO L481 AbstractCegarLoop]: Abstraction has 2997 states and 3342 transitions. [2020-10-24 00:18:30,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:18:30,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2997 states and 3342 transitions. [2020-10-24 00:18:30,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2020-10-24 00:18:30,386 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:18:30,387 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:18:30,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 00:18:30,387 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]=== [2020-10-24 00:18:30,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:18:30,388 INFO L82 PathProgramCache]: Analyzing trace with hash 2059661162, now seen corresponding path program 1 times [2020-10-24 00:18:30,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:18:30,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1824376640] [2020-10-24 00:18:30,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:18:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,797 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:18:30,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:18:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:18:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:18:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:18:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:18:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:18:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:18:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:18:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:18:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:18:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:18:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:18:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:18:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:18:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:18:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:18:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-10-24 00:18:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:30,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-10-24 00:18:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:31,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:31,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:31,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:18:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:31,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:31,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:31,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:31,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:18:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:31,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:18:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:31,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:31,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2020-10-24 00:18:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:31,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2020-10-24 00:18:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:31,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:31,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2020-10-24 00:18:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:31,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:31,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:31,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:31,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:18:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:31,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2020-10-24 00:18:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:31,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2020-10-24 00:18:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:31,393 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2020-10-24 00:18:31,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1824376640] [2020-10-24 00:18:31,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:18:31,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-24 00:18:31,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067305937] [2020-10-24 00:18:31,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 00:18:31,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:18:31,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 00:18:31,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-24 00:18:31,396 INFO L87 Difference]: Start difference. First operand 2997 states and 3342 transitions. Second operand 13 states. [2020-10-24 00:18:34,702 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:18:35,111 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:18:35,485 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:18:35,868 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:18:36,260 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:18:36,620 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:18:38,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:18:38,366 INFO L93 Difference]: Finished difference Result 6035 states and 6923 transitions. [2020-10-24 00:18:38,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-24 00:18:38,366 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 489 [2020-10-24 00:18:38,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:18:38,384 INFO L225 Difference]: With dead ends: 6035 [2020-10-24 00:18:38,385 INFO L226 Difference]: Without dead ends: 3460 [2020-10-24 00:18:38,392 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=217, Invalid=539, Unknown=0, NotChecked=0, Total=756 [2020-10-24 00:18:38,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3460 states. [2020-10-24 00:18:39,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3460 to 3045. [2020-10-24 00:18:39,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3045 states. [2020-10-24 00:18:39,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3045 states to 3045 states and 3390 transitions. [2020-10-24 00:18:39,657 INFO L78 Accepts]: Start accepts. Automaton has 3045 states and 3390 transitions. Word has length 489 [2020-10-24 00:18:39,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:18:39,658 INFO L481 AbstractCegarLoop]: Abstraction has 3045 states and 3390 transitions. [2020-10-24 00:18:39,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 00:18:39,658 INFO L276 IsEmpty]: Start isEmpty. Operand 3045 states and 3390 transitions. [2020-10-24 00:18:39,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2020-10-24 00:18:39,669 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:18:39,669 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:18:39,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-24 00:18:39,670 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]=== [2020-10-24 00:18:39,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:18:39,670 INFO L82 PathProgramCache]: Analyzing trace with hash -2014122106, now seen corresponding path program 1 times [2020-10-24 00:18:39,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:18:39,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1353761135] [2020-10-24 00:18:39,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:18:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,140 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:18:40,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:18:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:18:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:18:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:18:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:18:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:18:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:18:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:18:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:18:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:18:40,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:18:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:18:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:18:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:18:40,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:18:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:18:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-10-24 00:18:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-10-24 00:18:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:18:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:18:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:18:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2020-10-24 00:18:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2020-10-24 00:18:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2020-10-24 00:18:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-10-24 00:18:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:18:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2020-10-24 00:18:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2020-10-24 00:18:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:40,781 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 125 proven. 38 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2020-10-24 00:18:40,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1353761135] [2020-10-24 00:18:40,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:18:40,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-24 00:18:40,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925049269] [2020-10-24 00:18:40,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-24 00:18:40,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:18:40,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-24 00:18:40,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:18:40,783 INFO L87 Difference]: Start difference. First operand 3045 states and 3390 transitions. Second operand 17 states. [2020-10-24 00:18:42,778 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:18:43,183 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:18:43,592 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:18:44,001 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:18:44,391 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:18:44,787 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:18:46,666 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:18:47,093 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:18:52,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:18:52,557 INFO L93 Difference]: Finished difference Result 8656 states and 10171 transitions. [2020-10-24 00:18:52,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-24 00:18:52,557 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 493 [2020-10-24 00:18:52,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:18:52,585 INFO L225 Difference]: With dead ends: 8656 [2020-10-24 00:18:52,585 INFO L226 Difference]: Without dead ends: 5216 [2020-10-24 00:18:52,597 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 118 SyntacticMatches, 4 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 578 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=521, Invalid=1831, Unknown=0, NotChecked=0, Total=2352 [2020-10-24 00:18:52,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5216 states. [2020-10-24 00:18:54,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5216 to 4098. [2020-10-24 00:18:54,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4098 states. [2020-10-24 00:18:54,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 4647 transitions. [2020-10-24 00:18:54,493 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 4647 transitions. Word has length 493 [2020-10-24 00:18:54,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:18:54,494 INFO L481 AbstractCegarLoop]: Abstraction has 4098 states and 4647 transitions. [2020-10-24 00:18:54,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-24 00:18:54,494 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4647 transitions. [2020-10-24 00:18:54,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2020-10-24 00:18:54,509 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:18:54,509 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:18:54,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-24 00:18:54,510 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]=== [2020-10-24 00:18:54,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:18:54,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1702751151, now seen corresponding path program 1 times [2020-10-24 00:18:54,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:18:54,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1778233423] [2020-10-24 00:18:54,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:18:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:54,976 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:18:54,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:18:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:18:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:18:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:18:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:18:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:18:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:18:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:18:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:18:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:18:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:18:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:18:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:18:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:18:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:18:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:18:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:18:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-10-24 00:18:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-10-24 00:18:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:18:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:18:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:18:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-10-24 00:18:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2020-10-24 00:18:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2020-10-24 00:18:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:18:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2020-10-24 00:18:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2020-10-24 00:18:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:55,647 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 133 proven. 39 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-24 00:18:55,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1778233423] [2020-10-24 00:18:55,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:18:55,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:18:55,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583873518] [2020-10-24 00:18:55,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:18:55,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:18:55,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:18:55,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:18:55,650 INFO L87 Difference]: Start difference. First operand 4098 states and 4647 transitions. Second operand 19 states. [2020-10-24 00:18:56,385 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:18:56,902 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:18:57,311 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:18:57,760 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:18:58,158 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:18:58,548 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:18:59,899 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:19:00,323 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:19:01,911 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:19:02,463 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:19:02,935 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:19:03,379 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:19:04,576 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:19:04,973 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:19:06,297 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:19:06,698 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:19:07,099 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:19:09,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:19:09,625 INFO L93 Difference]: Finished difference Result 8275 states and 9659 transitions. [2020-10-24 00:19:09,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-24 00:19:09,626 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 499 [2020-10-24 00:19:09,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:19:09,648 INFO L225 Difference]: With dead ends: 8275 [2020-10-24 00:19:09,649 INFO L226 Difference]: Without dead ends: 4599 [2020-10-24 00:19:09,663 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 845 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=684, Invalid=2738, Unknown=0, NotChecked=0, Total=3422 [2020-10-24 00:19:09,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4599 states. [2020-10-24 00:19:11,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4599 to 3999. [2020-10-24 00:19:11,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3999 states. [2020-10-24 00:19:11,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3999 states to 3999 states and 4506 transitions. [2020-10-24 00:19:11,301 INFO L78 Accepts]: Start accepts. Automaton has 3999 states and 4506 transitions. Word has length 499 [2020-10-24 00:19:11,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:19:11,302 INFO L481 AbstractCegarLoop]: Abstraction has 3999 states and 4506 transitions. [2020-10-24 00:19:11,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:19:11,302 INFO L276 IsEmpty]: Start isEmpty. Operand 3999 states and 4506 transitions. [2020-10-24 00:19:11,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2020-10-24 00:19:11,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:19:11,315 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:19:11,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-24 00:19:11,315 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]=== [2020-10-24 00:19:11,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:19:11,315 INFO L82 PathProgramCache]: Analyzing trace with hash 872516416, now seen corresponding path program 1 times [2020-10-24 00:19:11,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:19:11,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1127688423] [2020-10-24 00:19:11,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:19:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:11,729 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:19:11,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:11,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:19:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:11,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:19:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:11,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:19:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:11,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:19:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:11,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:19:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:11,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:19:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:11,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:19:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:11,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:19:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:11,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:11,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:11,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:19:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:11,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:11,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:11,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:19:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:11,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:19:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:11,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:19:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:11,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:11,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:19:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:11,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:19:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:19:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:19:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:19:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:19:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:19:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:19:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-10-24 00:19:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-10-24 00:19:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:19:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:19:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:19:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:19:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:19:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2020-10-24 00:19:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2020-10-24 00:19:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-10-24 00:19:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:19:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:19:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2020-10-24 00:19:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2020-10-24 00:19:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:12,511 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 143 proven. 37 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2020-10-24 00:19:12,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1127688423] [2020-10-24 00:19:12,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:19:12,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:19:12,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89361228] [2020-10-24 00:19:12,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:19:12,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:19:12,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:19:12,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:19:12,513 INFO L87 Difference]: Start difference. First operand 3999 states and 4506 transitions. Second operand 18 states. [2020-10-24 00:19:13,234 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:19:15,200 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:19:15,626 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:19:16,445 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:19:16,851 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:19:17,596 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-24 00:19:17,992 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:19:18,732 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:19:19,162 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:19:19,592 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:19:19,996 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:19:20,372 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:19:22,105 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:19:22,529 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:19:27,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:19:27,803 INFO L93 Difference]: Finished difference Result 8468 states and 9963 transitions. [2020-10-24 00:19:27,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-24 00:19:27,804 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 500 [2020-10-24 00:19:27,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:19:27,832 INFO L225 Difference]: With dead ends: 8468 [2020-10-24 00:19:27,832 INFO L226 Difference]: Without dead ends: 6072 [2020-10-24 00:19:27,843 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 131 SyntacticMatches, 6 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1280 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=795, Invalid=3495, Unknown=0, NotChecked=0, Total=4290 [2020-10-24 00:19:27,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6072 states. [2020-10-24 00:19:29,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6072 to 4989. [2020-10-24 00:19:29,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4989 states. [2020-10-24 00:19:29,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4989 states to 4989 states and 5597 transitions. [2020-10-24 00:19:29,860 INFO L78 Accepts]: Start accepts. Automaton has 4989 states and 5597 transitions. Word has length 500 [2020-10-24 00:19:29,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:19:29,861 INFO L481 AbstractCegarLoop]: Abstraction has 4989 states and 5597 transitions. [2020-10-24 00:19:29,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:19:29,861 INFO L276 IsEmpty]: Start isEmpty. Operand 4989 states and 5597 transitions. [2020-10-24 00:19:29,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2020-10-24 00:19:29,873 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:19:29,873 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:19:29,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-24 00:19:29,873 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]=== [2020-10-24 00:19:29,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:19:29,874 INFO L82 PathProgramCache]: Analyzing trace with hash 284419667, now seen corresponding path program 1 times [2020-10-24 00:19:29,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:19:29,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1967853285] [2020-10-24 00:19:29,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:19:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,294 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:19:30,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:19:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:19:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:19:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:19:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:19:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:19:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:19:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:19:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:19:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:19:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:19:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:19:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:19:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:19:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:19:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:19:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:19:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:19:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:19:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:19:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-10-24 00:19:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-10-24 00:19:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:19:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:19:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:19:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:19:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:19:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:19:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-10-24 00:19:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-10-24 00:19:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-10-24 00:19:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2020-10-24 00:19:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:19:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:19:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2020-10-24 00:19:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:30,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2020-10-24 00:19:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:31,014 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 132 proven. 66 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-10-24 00:19:31,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1967853285] [2020-10-24 00:19:31,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:19:31,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:19:31,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243237613] [2020-10-24 00:19:31,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:19:31,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:19:31,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:19:31,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:19:31,017 INFO L87 Difference]: Start difference. First operand 4989 states and 5597 transitions. Second operand 18 states. [2020-10-24 00:19:31,737 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:19:33,738 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:19:34,166 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:19:34,957 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:19:35,363 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:19:36,139 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-10-24 00:19:36,587 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:19:37,345 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:19:37,724 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:19:38,190 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:19:38,692 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-24 00:19:39,127 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:19:39,515 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:19:40,942 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:19:41,421 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:19:42,230 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-10-24 00:19:43,036 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-24 00:19:43,809 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-10-24 00:19:44,753 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:19:45,209 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:19:49,505 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:19:50,864 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:19:51,292 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:19:52,109 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:19:53,008 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:19:53,788 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:19:58,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:19:58,943 INFO L93 Difference]: Finished difference Result 11217 states and 13277 transitions. [2020-10-24 00:19:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2020-10-24 00:19:58,944 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 515 [2020-10-24 00:19:58,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:19:58,979 INFO L225 Difference]: With dead ends: 11217 [2020-10-24 00:19:58,979 INFO L226 Difference]: Without dead ends: 8325 [2020-10-24 00:19:58,992 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 154 SyntacticMatches, 7 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3556 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=1700, Invalid=8400, Unknown=0, NotChecked=0, Total=10100 [2020-10-24 00:19:59,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8325 states. [2020-10-24 00:20:01,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8325 to 6398. [2020-10-24 00:20:01,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6398 states. [2020-10-24 00:20:01,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6398 states to 6398 states and 7159 transitions. [2020-10-24 00:20:01,567 INFO L78 Accepts]: Start accepts. Automaton has 6398 states and 7159 transitions. Word has length 515 [2020-10-24 00:20:01,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:20:01,568 INFO L481 AbstractCegarLoop]: Abstraction has 6398 states and 7159 transitions. [2020-10-24 00:20:01,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:20:01,568 INFO L276 IsEmpty]: Start isEmpty. Operand 6398 states and 7159 transitions. [2020-10-24 00:20:01,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2020-10-24 00:20:01,586 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:20:01,587 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:20:01,587 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-24 00:20:01,587 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]=== [2020-10-24 00:20:01,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:20:01,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1133109778, now seen corresponding path program 2 times [2020-10-24 00:20:01,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:20:01,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [213651039] [2020-10-24 00:20:01,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:20:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,027 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:20:02,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:20:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:20:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:20:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:20:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:20:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:20:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:20:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:20:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:20:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:20:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:20:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:20:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:20:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:20:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:20:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:20:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:20:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:20:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:20:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:20:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-24 00:20:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-10-24 00:20:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-10-24 00:20:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:20:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:20:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:20:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:20:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:20:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-24 00:20:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2020-10-24 00:20:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:20:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:20:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:20:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:20:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:20:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:20:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-10-24 00:20:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2020-10-24 00:20:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2020-10-24 00:20:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2020-10-24 00:20:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:20:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:20:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2020-10-24 00:20:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-10-24 00:20:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,828 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 214 proven. 80 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2020-10-24 00:20:02,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [213651039] [2020-10-24 00:20:02,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:20:02,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:20:02,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886440911] [2020-10-24 00:20:02,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:20:02,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:20:02,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:20:02,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:20:02,830 INFO L87 Difference]: Start difference. First operand 6398 states and 7159 transitions. Second operand 19 states. [2020-10-24 00:20:03,584 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:20:04,790 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:20:06,141 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:20:06,569 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:20:07,442 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:20:07,874 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:20:08,627 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-24 00:20:09,043 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:20:09,793 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:20:10,163 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:20:10,605 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:20:11,057 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:20:11,489 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:20:13,016 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:20:13,441 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:20:20,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:20:20,741 INFO L93 Difference]: Finished difference Result 11690 states and 13509 transitions. [2020-10-24 00:20:20,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-10-24 00:20:20,742 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 611 [2020-10-24 00:20:20,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:20:20,768 INFO L225 Difference]: With dead ends: 11690 [2020-10-24 00:20:20,769 INFO L226 Difference]: Without dead ends: 7339 [2020-10-24 00:20:20,781 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 156 SyntacticMatches, 6 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1346 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=933, Invalid=3489, Unknown=0, NotChecked=0, Total=4422 [2020-10-24 00:20:20,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7339 states. [2020-10-24 00:20:23,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7339 to 6235. [2020-10-24 00:20:23,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6235 states. [2020-10-24 00:20:23,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6235 states to 6235 states and 6927 transitions. [2020-10-24 00:20:23,512 INFO L78 Accepts]: Start accepts. Automaton has 6235 states and 6927 transitions. Word has length 611 [2020-10-24 00:20:23,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:20:23,513 INFO L481 AbstractCegarLoop]: Abstraction has 6235 states and 6927 transitions. [2020-10-24 00:20:23,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:20:23,513 INFO L276 IsEmpty]: Start isEmpty. Operand 6235 states and 6927 transitions. [2020-10-24 00:20:23,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2020-10-24 00:20:23,527 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:20:23,528 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:20:23,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-24 00:20:23,528 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]=== [2020-10-24 00:20:23,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:20:23,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1735238473, now seen corresponding path program 1 times [2020-10-24 00:20:23,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:20:23,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [141154217] [2020-10-24 00:20:23,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:20:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:23,963 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:20:23,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:23,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:20:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:23,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:20:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:23,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:20:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:23,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:20:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:23,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:20:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:20:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:20:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:20:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:20:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:20:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:20:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:20:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:20:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:20:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:20:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:20:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:20:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:20:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:20:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:20:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-10-24 00:20:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-10-24 00:20:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:20:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:20:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:20:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:20:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:20:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:20:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-10-24 00:20:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-10-24 00:20:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-10-24 00:20:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:20:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:20:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2020-10-24 00:20:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2020-10-24 00:20:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2020-10-24 00:20:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2020-10-24 00:20:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:20:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:20:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2020-10-24 00:20:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:24,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2020-10-24 00:20:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:25,083 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 220 proven. 69 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2020-10-24 00:20:25,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [141154217] [2020-10-24 00:20:25,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:20:25,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-24 00:20:25,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338528000] [2020-10-24 00:20:25,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-24 00:20:25,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:20:25,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-24 00:20:25,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2020-10-24 00:20:25,085 INFO L87 Difference]: Start difference. First operand 6235 states and 6927 transitions. Second operand 25 states. [2020-10-24 00:20:25,909 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:20:28,591 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:20:29,102 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:20:29,982 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-10-24 00:20:30,427 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:20:31,255 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-10-24 00:20:31,676 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:20:32,491 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-10-24 00:20:33,213 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-24 00:20:33,686 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:20:34,256 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-24 00:20:34,717 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:20:35,460 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 207 [2020-10-24 00:20:37,461 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-10-24 00:20:38,310 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-24 00:20:39,153 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 211 [2020-10-24 00:20:40,010 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 214 [2020-10-24 00:20:40,873 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 211 [2020-10-24 00:20:42,196 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-24 00:20:43,038 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 213 [2020-10-24 00:20:45,117 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2020-10-24 00:20:46,080 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 211 [2020-10-24 00:20:46,891 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 213 [2020-10-24 00:20:48,314 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-10-24 00:20:49,138 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-10-24 00:20:49,953 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-10-24 00:20:50,808 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-10-24 00:20:51,658 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-10-24 00:20:53,467 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-24 00:20:53,848 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:20:54,451 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:20:54,904 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-24 00:20:55,356 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:20:55,785 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:20:56,214 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:20:56,651 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-24 00:20:57,127 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:20:57,566 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:20:58,008 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:20:58,423 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:20:58,822 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:21:00,213 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:21:00,978 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-10-24 00:21:01,414 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:21:02,218 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 213 [2020-10-24 00:21:03,078 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:21:03,900 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 215 [2020-10-24 00:21:04,698 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-10-24 00:21:05,568 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 220 [2020-10-24 00:21:06,330 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:21:07,139 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 215 [2020-10-24 00:21:09,520 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:21:09,965 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:21:10,447 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-24 00:21:10,933 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-24 00:21:11,393 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-24 00:21:14,792 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-24 00:21:15,602 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 214 [2020-10-24 00:21:20,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:21:20,828 INFO L93 Difference]: Finished difference Result 15484 states and 17708 transitions. [2020-10-24 00:21:20,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2020-10-24 00:21:20,829 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 585 [2020-10-24 00:21:20,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:21:20,862 INFO L225 Difference]: With dead ends: 15484 [2020-10-24 00:21:20,862 INFO L226 Difference]: Without dead ends: 9762 [2020-10-24 00:21:20,883 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 159 SyntacticMatches, 5 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7435 ImplicationChecksByTransitivity, 38.6s TimeCoverageRelationStatistics Valid=3237, Invalid=17069, Unknown=0, NotChecked=0, Total=20306 [2020-10-24 00:21:20,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9762 states. [2020-10-24 00:21:24,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9762 to 7130. [2020-10-24 00:21:24,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7130 states. [2020-10-24 00:21:24,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7130 states to 7130 states and 7872 transitions. [2020-10-24 00:21:24,319 INFO L78 Accepts]: Start accepts. Automaton has 7130 states and 7872 transitions. Word has length 585 [2020-10-24 00:21:24,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:21:24,319 INFO L481 AbstractCegarLoop]: Abstraction has 7130 states and 7872 transitions. [2020-10-24 00:21:24,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-24 00:21:24,319 INFO L276 IsEmpty]: Start isEmpty. Operand 7130 states and 7872 transitions. [2020-10-24 00:21:24,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2020-10-24 00:21:24,335 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:21:24,336 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:21:24,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-24 00:21:24,336 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]=== [2020-10-24 00:21:24,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:21:24,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1263336515, now seen corresponding path program 1 times [2020-10-24 00:21:24,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:21:24,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729192887] [2020-10-24 00:21:24,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:21:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:24,786 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:21:24,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:24,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:21:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:24,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:21:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:24,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:21:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:24,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:21:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:24,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:21:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:24,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:21:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:24,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:21:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:24,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:21:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:24,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:24,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:24,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:21:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:24,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:24,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:24,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:21:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:24,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:21:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:24,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:21:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:24,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:24,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:21:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:24,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:21:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:24,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:24,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:24,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:21:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:21:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:21:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:21:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:21:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:21:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-10-24 00:21:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-10-24 00:21:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:21:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:21:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:21:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:21:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:21:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:21:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2020-10-24 00:21:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-10-24 00:21:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:21:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2020-10-24 00:21:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:21:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:21:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2020-10-24 00:21:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-10-24 00:21:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2020-10-24 00:21:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2020-10-24 00:21:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:21:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:21:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2020-10-24 00:21:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2020-10-24 00:21:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:25,534 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 179 proven. 75 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2020-10-24 00:21:25,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729192887] [2020-10-24 00:21:25,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:21:25,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:21:25,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230712230] [2020-10-24 00:21:25,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:21:25,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:21:25,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:21:25,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:21:25,536 INFO L87 Difference]: Start difference. First operand 7130 states and 7872 transitions. Second operand 18 states. [2020-10-24 00:21:26,772 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:21:28,222 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:21:31,982 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:21:32,436 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-24 00:21:32,863 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:21:33,283 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:21:33,672 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:21:34,388 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-24 00:21:37,787 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:21:38,236 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-24 00:21:38,676 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:21:39,122 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:21:39,634 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:21:43,550 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 210 [2020-10-24 00:21:44,325 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-10-24 00:21:45,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:21:45,909 INFO L93 Difference]: Finished difference Result 16954 states and 19273 transitions. [2020-10-24 00:21:45,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-10-24 00:21:45,910 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 594 [2020-10-24 00:21:45,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:21:45,943 INFO L225 Difference]: With dead ends: 16954 [2020-10-24 00:21:45,943 INFO L226 Difference]: Without dead ends: 10030 [2020-10-24 00:21:45,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 147 SyntacticMatches, 7 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1630 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=1224, Invalid=4326, Unknown=0, NotChecked=0, Total=5550 [2020-10-24 00:21:45,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10030 states. [2020-10-24 00:21:49,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10030 to 7649. [2020-10-24 00:21:49,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7649 states. [2020-10-24 00:21:49,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7649 states to 7649 states and 8412 transitions. [2020-10-24 00:21:49,542 INFO L78 Accepts]: Start accepts. Automaton has 7649 states and 8412 transitions. Word has length 594 [2020-10-24 00:21:49,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:21:49,542 INFO L481 AbstractCegarLoop]: Abstraction has 7649 states and 8412 transitions. [2020-10-24 00:21:49,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:21:49,542 INFO L276 IsEmpty]: Start isEmpty. Operand 7649 states and 8412 transitions. [2020-10-24 00:21:49,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2020-10-24 00:21:49,554 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:21:49,554 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:21:49,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-24 00:21:49,554 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]=== [2020-10-24 00:21:49,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:21:49,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1891448803, now seen corresponding path program 1 times [2020-10-24 00:21:49,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:21:49,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1854895027] [2020-10-24 00:21:49,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:21:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,009 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:21:50,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:21:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:21:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:21:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:21:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:21:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:21:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:21:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:21:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:21:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:21:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:21:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:21:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:21:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:21:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:21:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:21:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:21:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:21:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:21:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:21:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-10-24 00:21:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-10-24 00:21:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:21:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:21:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:21:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:21:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:21:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:21:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2020-10-24 00:21:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-10-24 00:21:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:21:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2020-10-24 00:21:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:21:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:21:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2020-10-24 00:21:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-10-24 00:21:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2020-10-24 00:21:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2020-10-24 00:21:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:21:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:21:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2020-10-24 00:21:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2020-10-24 00:21:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:50,758 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 164 proven. 19 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2020-10-24 00:21:50,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1854895027] [2020-10-24 00:21:50,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:21:50,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:21:50,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866127684] [2020-10-24 00:21:50,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:21:50,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:21:50,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:21:50,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:21:50,760 INFO L87 Difference]: Start difference. First operand 7649 states and 8412 transitions. Second operand 18 states. [2020-10-24 00:21:51,646 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:21:52,042 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:21:52,436 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:21:52,826 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:21:53,199 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:21:56,965 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:21:57,346 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:21:57,746 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:21:58,139 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:21:58,527 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:21:58,902 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:21:59,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:21:59,795 INFO L93 Difference]: Finished difference Result 8797 states and 9738 transitions. [2020-10-24 00:21:59,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-24 00:21:59,796 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 594 [2020-10-24 00:21:59,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:21:59,798 INFO L225 Difference]: With dead ends: 8797 [2020-10-24 00:21:59,798 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 00:21:59,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=331, Invalid=1075, Unknown=0, NotChecked=0, Total=1406 [2020-10-24 00:21:59,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 00:21:59,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 00:21:59,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 00:21:59,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 00:21:59,822 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 594 [2020-10-24 00:21:59,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:21:59,822 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 00:21:59,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:21:59,822 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 00:21:59,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 00:21:59,823 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-24 00:21:59,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 00:22:00,579 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 263 [2020-10-24 00:22:01,056 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:22:01,619 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2020-10-24 00:22:02,699 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 278 [2020-10-24 00:22:03,345 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 278 [2020-10-24 00:22:03,896 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 278 [2020-10-24 00:22:04,190 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 278 [2020-10-24 00:22:05,095 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 278 [2020-10-24 00:22:06,125 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 258 [2020-10-24 00:22:06,546 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 252 [2020-10-24 00:22:06,691 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 256 [2020-10-24 00:22:06,839 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 252 [2020-10-24 00:22:06,972 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 253 [2020-10-24 00:22:07,581 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 285 [2020-10-24 00:22:07,872 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 285 [2020-10-24 00:22:08,902 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 286 [2020-10-24 00:22:09,173 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 286 [2020-10-24 00:22:09,526 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 258 [2020-10-24 00:22:09,943 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 252 [2020-10-24 00:22:10,089 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 256 [2020-10-24 00:22:10,234 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 252 [2020-10-24 00:22:10,389 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 253 [2020-10-24 00:22:12,253 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 263 [2020-10-24 00:22:13,247 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:22:13,464 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 258 [2020-10-24 00:22:14,230 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 252 [2020-10-24 00:22:14,391 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 252 [2020-10-24 00:22:18,832 WARN L193 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 858 DAG size of output: 674 [2020-10-24 00:22:20,665 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 732 DAG size of output: 482 [2020-10-24 00:22:22,530 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 732 DAG size of output: 482 [2020-10-24 00:22:22,741 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 275 [2020-10-24 00:22:22,913 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 276 [2020-10-24 00:22:23,434 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 269 [2020-10-24 00:22:24,871 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 286 [2020-10-24 00:22:26,130 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 286 [2020-10-24 00:22:26,407 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 282 [2020-10-24 00:22:26,743 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 252 [2020-10-24 00:22:27,034 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 252 [2020-10-24 00:22:27,362 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 269 [2020-10-24 00:22:27,823 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 259 [2020-10-24 00:22:27,950 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 253 [2020-10-24 00:22:28,087 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 258 [2020-10-24 00:22:28,230 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-10-24 00:22:29,683 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2020-10-24 00:22:30,016 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-10-24 00:22:37,027 WARN L193 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 858 DAG size of output: 674 [2020-10-24 00:22:41,373 WARN L193 SmtUtils]: Spent 4.32 s on a formula simplification. DAG size of input: 858 DAG size of output: 674 [2020-10-24 00:22:41,584 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 270 [2020-10-24 00:22:42,050 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 260 [2020-10-24 00:22:42,187 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 259 [2020-10-24 00:22:42,321 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 263 [2020-10-24 00:22:42,479 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 261 [2020-10-24 00:22:43,349 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 263 [2020-10-24 00:22:43,560 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:22:45,847 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 732 DAG size of output: 482 [2020-10-24 00:22:50,626 WARN L193 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 858 DAG size of output: 674 [2020-10-24 00:22:54,988 WARN L193 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 828 DAG size of output: 611 [2020-10-24 00:22:55,418 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 273 [2020-10-24 00:22:55,777 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 281 [2020-10-24 00:22:56,123 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 281 [2020-10-24 00:22:56,826 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 275 [2020-10-24 00:22:57,158 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 278 [2020-10-24 00:22:58,688 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 267 [2020-10-24 00:22:59,127 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 256 [2020-10-24 00:22:59,266 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 255 [2020-10-24 00:22:59,406 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 256 [2020-10-24 00:22:59,574 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 257 [2020-10-24 00:23:00,319 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-10-24 00:23:00,514 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 256 [2020-10-24 00:23:00,907 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 252 [2020-10-24 00:23:02,186 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 276 [2020-10-24 00:23:02,692 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 260 [2020-10-24 00:23:02,827 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 266 [2020-10-24 00:23:02,962 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 256 [2020-10-24 00:23:03,105 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 266 [2020-10-24 00:23:04,899 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 276 [2020-10-24 00:23:05,885 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 278 [2020-10-24 00:23:06,159 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 277 [2020-10-24 00:23:06,729 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 252 [2020-10-24 00:23:09,950 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 252 [2020-10-24 00:23:14,351 WARN L193 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 858 DAG size of output: 674 [2020-10-24 00:23:14,894 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 252 [2020-10-24 00:23:15,016 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 252 [2020-10-24 00:23:15,632 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2020-10-24 00:23:16,042 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2020-10-24 00:23:16,773 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2020-10-24 00:23:17,600 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2020-10-24 00:23:17,852 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2020-10-24 00:23:18,410 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:23:18,634 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:23:19,074 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 263 [2020-10-24 00:23:19,408 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 258 [2020-10-24 00:23:19,900 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 258 [2020-10-24 00:23:20,202 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:23:20,520 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:23:20,747 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 263 [2020-10-24 00:23:21,274 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:23:21,504 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:23:21,766 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 258 [2020-10-24 00:23:25,527 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 725 DAG size of output: 499 [2020-10-24 00:23:27,346 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 732 DAG size of output: 482 [2020-10-24 00:23:27,655 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 252 [2020-10-24 00:23:27,942 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 252 [2020-10-24 00:23:29,395 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 263 [2020-10-24 00:23:30,307 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:23:30,522 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 258 [2020-10-24 00:23:30,757 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 281 [2020-10-24 00:23:31,105 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 281 [2020-10-24 00:23:31,879 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 263 [2020-10-24 00:23:32,483 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 258 [2020-10-24 00:23:32,644 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 258 [2020-10-24 00:23:33,119 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:23:33,363 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:23:33,611 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 263 [2020-10-24 00:23:34,006 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:23:34,261 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:23:34,501 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:23:34,946 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 263 [2020-10-24 00:23:35,186 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:23:39,448 WARN L193 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 828 DAG size of output: 611 [2020-10-24 00:23:39,574 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 252 [2020-10-24 00:23:39,698 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 252 [2020-10-24 00:23:40,114 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 254 [2020-10-24 00:23:40,460 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 254 [2020-10-24 00:23:40,741 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 273 [2020-10-24 00:23:41,023 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 273 [2020-10-24 00:23:41,241 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 254 [2020-10-24 00:23:41,436 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 254 [2020-10-24 00:23:42,256 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 254 [2020-10-24 00:23:42,938 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 263 [2020-10-24 00:23:43,175 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:23:43,711 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 285 [2020-10-24 00:23:43,986 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 285 [2020-10-24 00:23:48,778 WARN L193 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 858 DAG size of output: 674 [2020-10-24 00:23:49,218 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 263 [2020-10-24 00:23:49,422 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:23:55,545 WARN L193 SmtUtils]: Spent 5.99 s on a formula simplification. DAG size of input: 974 DAG size of output: 721 [2020-10-24 00:23:55,755 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 258 [2020-10-24 00:23:56,315 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 256 [2020-10-24 00:23:56,461 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 252 [2020-10-24 00:23:56,592 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 253 [2020-10-24 00:24:01,624 WARN L193 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 828 DAG size of output: 611 [2020-10-24 00:24:01,910 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 252 [2020-10-24 00:24:02,202 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 252 [2020-10-24 00:24:02,457 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 252 [2020-10-24 00:24:02,621 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 252 [2020-10-24 00:24:03,839 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 263 [2020-10-24 00:24:04,069 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:24:05,187 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 287 [2020-10-24 00:24:05,467 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 287 [2020-10-24 00:24:05,851 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2020-10-24 00:24:06,140 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 265 [2020-10-24 00:24:06,504 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 273 [2020-10-24 00:24:06,735 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 273 [2020-10-24 00:24:07,279 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 275 [2020-10-24 00:24:07,586 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 278 [2020-10-24 00:24:08,547 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 287 [2020-10-24 00:24:08,826 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 286 [2020-10-24 00:24:09,275 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 287 [2020-10-24 00:24:09,555 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 286 [2020-10-24 00:24:09,887 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 252 [2020-10-24 00:24:10,032 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 252 [2020-10-24 00:24:14,181 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 270 [2020-10-24 00:24:14,651 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 260 [2020-10-24 00:24:14,797 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 260 [2020-10-24 00:24:14,933 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 254 [2020-10-24 00:24:15,530 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 270 [2020-10-24 00:24:15,992 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 260 [2020-10-24 00:24:16,133 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 259 [2020-10-24 00:24:16,268 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 263 [2020-10-24 00:24:16,425 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 261 [2020-10-24 00:24:17,271 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 270 [2020-10-24 00:24:17,738 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 260 [2020-10-24 00:24:17,890 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 260 [2020-10-24 00:24:18,032 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 254 [2020-10-24 00:24:22,789 WARN L193 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 858 DAG size of output: 674 [2020-10-24 00:24:23,774 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 261 [2020-10-24 00:24:24,877 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 265 [2020-10-24 00:24:25,161 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 264 [2020-10-24 00:24:29,558 WARN L193 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 858 DAG size of output: 674 [2020-10-24 00:24:30,414 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 261 [2020-10-24 00:24:31,524 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 265 [2020-10-24 00:24:31,806 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 264 [2020-10-24 00:24:32,065 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 258 [2020-10-24 00:24:32,610 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 256 [2020-10-24 00:24:32,754 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 252 [2020-10-24 00:24:32,885 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 253 [2020-10-24 00:24:33,838 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 263 [2020-10-24 00:24:34,076 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:24:37,727 WARN L193 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 749 DAG size of output: 543 [2020-10-24 00:24:39,537 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 732 DAG size of output: 482 [2020-10-24 00:24:39,913 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 263 [2020-10-24 00:24:40,523 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 258 [2020-10-24 00:24:40,683 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 258 [2020-10-24 00:24:41,149 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:24:41,408 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:24:41,661 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 263 [2020-10-24 00:24:42,058 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:24:42,306 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:24:42,547 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:24:43,072 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 263 [2020-10-24 00:24:43,301 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:24:44,086 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 263 [2020-10-24 00:24:44,322 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:24:45,297 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 272 [2020-10-24 00:24:45,436 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 272 [2020-10-24 00:24:45,743 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 263 [2020-10-24 00:24:46,353 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 258 [2020-10-24 00:24:46,524 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 258 [2020-10-24 00:24:46,992 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:24:47,241 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:24:47,494 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 263 [2020-10-24 00:24:47,886 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:24:48,136 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:24:48,382 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:24:50,364 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 256 [2020-10-24 00:24:50,487 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 256 [2020-10-24 00:24:51,181 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 258 [2020-10-24 00:24:51,338 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 256 [2020-10-24 00:24:51,613 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 258 [2020-10-24 00:24:51,872 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 258 [2020-10-24 00:24:52,023 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 256 [2020-10-24 00:24:52,261 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 258 [2020-10-24 00:24:52,420 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 258 [2020-10-24 00:24:53,201 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 263 [2020-10-24 00:24:54,077 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:24:54,312 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 258 [2020-10-24 00:24:55,324 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 252 [2020-10-24 00:24:55,449 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 252 [2020-10-24 00:24:59,662 WARN L193 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 729 DAG size of output: 581 [2020-10-24 00:25:03,480 WARN L193 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 828 DAG size of output: 611 [2020-10-24 00:25:07,275 WARN L193 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 828 DAG size of output: 611 [2020-10-24 00:25:07,643 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 258 [2020-10-24 00:25:08,056 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 252 [2020-10-24 00:25:08,200 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 256 [2020-10-24 00:25:08,342 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 252 [2020-10-24 00:25:08,497 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 253 [2020-10-24 00:25:12,143 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 732 DAG size of output: 482 [2020-10-24 00:25:12,681 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 263 [2020-10-24 00:25:12,917 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:25:13,411 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 252 [2020-10-24 00:25:13,576 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 252 [2020-10-24 00:25:13,960 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 252 [2020-10-24 00:25:14,326 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 252 [2020-10-24 00:25:14,624 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 252 [2020-10-24 00:25:17,143 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 286 [2020-10-24 00:25:18,208 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 286 [2020-10-24 00:25:18,471 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 282 [2020-10-24 00:25:18,659 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 252 [2020-10-24 00:25:18,826 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 252 [2020-10-24 00:25:21,595 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 288 DAG size of output: 26 [2020-10-24 00:25:23,462 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 294 DAG size of output: 30 [2020-10-24 00:25:24,046 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 19 [2020-10-24 00:25:24,678 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-24 00:25:26,810 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 305 DAG size of output: 34 [2020-10-24 00:25:27,786 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 27 [2020-10-24 00:25:29,519 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 299 DAG size of output: 31 [2020-10-24 00:25:30,126 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-24 00:25:31,146 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 168 DAG size of output: 15 [2020-10-24 00:25:33,269 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 375 DAG size of output: 1 [2020-10-24 00:25:33,611 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 29 [2020-10-24 00:25:34,743 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 251 DAG size of output: 34 [2020-10-24 00:25:35,356 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 14 [2020-10-24 00:25:43,789 WARN L193 SmtUtils]: Spent 8.41 s on a formula simplification. DAG size of input: 543 DAG size of output: 33 [2020-10-24 00:25:44,121 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 27 [2020-10-24 00:25:47,104 WARN L193 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 367 DAG size of output: 27 [2020-10-24 00:25:47,434 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 27 [2020-10-24 00:25:50,421 WARN L193 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 367 DAG size of output: 27 [2020-10-24 00:25:52,402 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 285 DAG size of output: 33 [2020-10-24 00:25:55,659 WARN L193 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 426 DAG size of output: 26 [2020-10-24 00:25:56,930 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 255 DAG size of output: 21 [2020-10-24 00:25:58,783 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 298 DAG size of output: 24 [2020-10-24 00:26:00,450 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 284 DAG size of output: 27 [2020-10-24 00:26:00,918 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 26 [2020-10-24 00:26:09,395 WARN L193 SmtUtils]: Spent 8.47 s on a formula simplification. DAG size of input: 543 DAG size of output: 33 [2020-10-24 00:26:10,108 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-10-24 00:26:18,556 WARN L193 SmtUtils]: Spent 8.43 s on a formula simplification. DAG size of input: 543 DAG size of output: 33 [2020-10-24 00:26:20,270 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 286 DAG size of output: 26 [2020-10-24 00:26:20,583 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 25 [2020-10-24 00:26:21,190 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 18 [2020-10-24 00:26:21,759 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 1 [2020-10-24 00:26:22,144 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 1 [2020-10-24 00:26:25,146 WARN L193 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 367 DAG size of output: 27 [2020-10-24 00:26:26,380 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 232 DAG size of output: 39 [2020-10-24 00:26:34,831 WARN L193 SmtUtils]: Spent 8.44 s on a formula simplification. DAG size of input: 543 DAG size of output: 33 [2020-10-24 00:26:35,828 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 18 [2020-10-24 00:26:36,139 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 25 [2020-10-24 00:26:37,113 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 15 [2020-10-24 00:26:38,077 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 22 [2020-10-24 00:26:45,842 WARN L193 SmtUtils]: Spent 7.76 s on a formula simplification. DAG size of input: 509 DAG size of output: 33 [2020-10-24 00:26:47,209 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 238 DAG size of output: 26 [2020-10-24 00:26:49,041 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 299 DAG size of output: 31 [2020-10-24 00:26:50,087 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 302 DAG size of output: 26 [2020-10-24 00:26:51,057 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 15 [2020-10-24 00:26:51,431 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-10-24 00:26:51,799 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 21 [2020-10-24 00:26:53,126 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 253 DAG size of output: 27 [2020-10-24 00:26:53,475 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 19 [2020-10-24 00:26:55,294 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 285 DAG size of output: 23 [2020-10-24 00:26:55,957 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 16 [2020-10-24 00:26:56,976 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 256 DAG size of output: 1 [2020-10-24 00:26:58,147 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 250 DAG size of output: 16 [2020-10-24 00:26:58,869 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-10-24 00:26:59,259 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 1 [2020-10-24 00:27:00,267 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 22 [2020-10-24 00:27:01,162 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 22 [2020-10-24 00:27:03,002 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 314 DAG size of output: 29 [2020-10-24 00:27:05,919 WARN L193 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 415 DAG size of output: 23 [2020-10-24 00:27:06,169 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 1 [2020-10-24 00:27:07,432 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 285 DAG size of output: 23 [2020-10-24 00:27:08,710 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 285 DAG size of output: 23 [2020-10-24 00:27:08,967 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 1 [2020-10-24 00:27:09,696 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-10-24 00:27:10,019 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 25 [2020-10-24 00:27:18,481 WARN L193 SmtUtils]: Spent 8.46 s on a formula simplification. DAG size of input: 543 DAG size of output: 33 [2020-10-24 00:27:19,185 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 16 [2020-10-24 00:27:19,610 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 13 [2020-10-24 00:27:20,094 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 11 [2020-10-24 00:27:20,272 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 21 [2020-10-24 00:27:20,986 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-10-24 00:27:22,282 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 239 DAG size of output: 22 [2020-10-24 00:27:25,267 WARN L193 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 379 DAG size of output: 32 [2020-10-24 00:27:26,133 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 24 [2020-10-24 00:27:26,537 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 27 [2020-10-24 00:27:26,872 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 27 [2020-10-24 00:27:29,302 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 368 DAG size of output: 27 [2020-10-24 00:27:32,326 WARN L193 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 367 DAG size of output: 27 [2020-10-24 00:27:33,561 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 252 DAG size of output: 18 [2020-10-24 00:27:35,652 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 375 DAG size of output: 1 [2020-10-24 00:27:37,481 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 299 DAG size of output: 31 [2020-10-24 00:27:39,893 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 341 DAG size of output: 24 [2020-10-24 00:27:40,205 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 25 [2020-10-24 00:27:42,022 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 288 DAG size of output: 26 [2020-10-24 00:27:42,335 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 25 [2020-10-24 00:27:50,174 WARN L193 SmtUtils]: Spent 7.83 s on a formula simplification. DAG size of input: 509 DAG size of output: 33 [2020-10-24 00:27:50,661 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 11 [2020-10-24 00:27:52,372 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 296 DAG size of output: 29 [2020-10-24 00:27:52,914 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 1 [2020-10-24 00:27:53,260 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 16 [2020-10-24 00:27:55,385 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 305 DAG size of output: 34 [2020-10-24 00:28:03,888 WARN L193 SmtUtils]: Spent 8.44 s on a formula simplification. DAG size of input: 543 DAG size of output: 33 [2020-10-24 00:28:04,431 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 1 [2020-10-24 00:28:14,796 WARN L193 SmtUtils]: Spent 10.34 s on a formula simplification. DAG size of input: 581 DAG size of output: 32 [2020-10-24 00:28:15,401 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-24 00:28:16,118 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-10-24 00:28:17,242 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 286 DAG size of output: 22 [2020-10-24 00:28:25,016 WARN L193 SmtUtils]: Spent 7.77 s on a formula simplification. DAG size of input: 509 DAG size of output: 33 [2020-10-24 00:28:26,205 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 249 DAG size of output: 16 [2020-10-24 00:28:27,324 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 248 DAG size of output: 14 [2020-10-24 00:28:28,304 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 15 [2020-10-24 00:28:28,661 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-10-24 00:28:29,565 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 18 [2020-10-24 00:28:30,969 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 250 DAG size of output: 27 [2020-10-24 00:28:31,326 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-10-24 00:28:32,974 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 296 DAG size of output: 29 [2020-10-24 00:28:33,961 WARN L193 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 20 [2020-10-24 00:28:35,697 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 303 DAG size of output: 34 [2020-10-24 00:28:36,416 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 18 [2020-10-24 00:28:37,382 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 26 [2020-10-24 00:28:38,442 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 306 DAG size of output: 29 [2020-10-24 00:28:39,036 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 15 [2020-10-24 00:28:39,520 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 26 [2020-10-24 00:28:41,159 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 304 DAG size of output: 31 [2020-10-24 00:28:42,754 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 304 DAG size of output: 31 [2020-10-24 00:28:43,076 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 25 [2020-10-24 00:28:44,295 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 250 DAG size of output: 16 [2020-10-24 00:28:45,974 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 284 DAG size of output: 27 [2020-10-24 00:28:47,642 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 301 DAG size of output: 24 [2020-10-24 00:28:49,377 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 286 DAG size of output: 26 [2020-10-24 00:28:50,087 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 20 [2020-10-24 00:28:50,474 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-10-24 00:28:52,137 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 301 DAG size of output: 24 [2020-10-24 00:29:00,643 WARN L193 SmtUtils]: Spent 8.48 s on a formula simplification. DAG size of input: 543 DAG size of output: 33 [2020-10-24 00:29:01,773 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 239 DAG size of output: 12 [2020-10-24 00:29:04,622 WARN L193 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 373 DAG size of output: 28 [2020-10-24 00:29:13,130 WARN L193 SmtUtils]: Spent 8.50 s on a formula simplification. DAG size of input: 543 DAG size of output: 33 [2020-10-24 00:29:13,848 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-10-24 00:29:14,187 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 27 [2020-10-24 00:29:17,027 WARN L193 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 373 DAG size of output: 28 [2020-10-24 00:29:17,626 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-24 00:29:18,752 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 260 DAG size of output: 32 [2020-10-24 00:29:19,298 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 1 [2020-10-24 00:29:20,492 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 243 DAG size of output: 38 [2020-10-24 00:29:26,625 WARN L193 SmtUtils]: Spent 6.12 s on a formula simplification. DAG size of input: 440 DAG size of output: 27 [2020-10-24 00:29:29,666 WARN L193 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 367 DAG size of output: 27 [2020-10-24 00:29:30,048 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-10-24 00:29:32,488 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 341 DAG size of output: 24 [2020-10-24 00:29:34,143 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 296 DAG size of output: 29 [2020-10-24 00:29:34,699 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 1 [2020-10-24 00:29:35,376 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 26 [2020-10-24 00:29:35,718 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:29:37,154 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 256 DAG size of output: 29 [2020-10-24 00:29:38,022 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 28 [2020-10-24 00:29:40,463 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 341 DAG size of output: 24 [2020-10-24 00:29:41,861 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 253 DAG size of output: 27 [2020-10-24 00:29:42,479 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 18 [2020-10-24 00:29:43,880 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 248 DAG size of output: 24 [2020-10-24 00:29:44,062 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 21 [2020-10-24 00:29:45,463 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 253 DAG size of output: 27 [2020-10-24 00:29:45,712 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 19 [2020-10-24 00:29:46,091 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 21 [2020-10-24 00:29:48,100 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 308 DAG size of output: 24 [2020-10-24 00:29:48,470 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 19 [2020-10-24 00:29:51,328 WARN L193 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 365 DAG size of output: 24 [2020-10-24 00:29:51,456 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 15 [2020-10-24 00:29:52,712 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 232 DAG size of output: 39 [2020-10-24 00:29:54,063 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 245 DAG size of output: 37 [2020-10-24 00:29:54,552 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 11 [2020-10-24 00:29:55,235 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 18 [2020-10-24 00:29:55,904 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 26 [2020-10-24 00:30:01,618 WARN L193 SmtUtils]: Spent 5.70 s on a formula simplification. DAG size of input: 460 DAG size of output: 30