/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_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 04:37:07,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:37:07,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:37:07,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:37:07,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:37:07,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:37:07,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:37:07,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:37:07,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:37:07,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:37:07,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:37:07,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:37:07,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:37:07,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:37:07,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:37:07,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:37:07,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:37:07,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:37:07,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:37:07,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:37:07,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:37:07,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:37:07,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:37:07,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:37:07,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 04:37:07,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 04:37:07,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 04:37:07,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 04:37:07,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 04:37:07,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 04:37:07,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:37:07,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:37:07,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:37:07,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:37:07,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:37:07,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:37:07,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:37:07,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:37:07,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:37:07,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:37:07,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:37:07,832 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 04:37:07,856 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:37:07,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:37:07,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:37:07,859 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:37:07,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:37:07,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:37:07,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:37:07,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:37:07,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:37:07,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:37:07,860 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:37:07,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:37:07,861 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:37:07,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:37:07,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:37:07,861 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:37:07,861 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:37:07,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:37:07,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:37:07,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:37:07,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:37:07,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:37:07,863 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:37:08,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:37:08,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:37:08,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:37:08,322 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:37:08,323 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:37:08,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-11-07 04:37:08,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4405bea/36bc4cf0e819439d99ede01d5ddf74ef/FLAGd5ab33ec4 [2020-11-07 04:37:09,102 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:37:09,103 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-11-07 04:37:09,128 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4405bea/36bc4cf0e819439d99ede01d5ddf74ef/FLAGd5ab33ec4 [2020-11-07 04:37:09,319 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4405bea/36bc4cf0e819439d99ede01d5ddf74ef [2020-11-07 04:37:09,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:37:09,328 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:37:09,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:37:09,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:37:09,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:37:09,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:37:09" (1/1) ... [2020-11-07 04:37:09,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c810220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:09, skipping insertion in model container [2020-11-07 04:37:09,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:37:09" (1/1) ... [2020-11-07 04:37:09,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:37:09,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:37:09,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:37:09,844 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:37:09,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:37:10,041 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:37:10,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:10 WrapperNode [2020-11-07 04:37:10,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:37:10,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:37:10,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:37:10,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:37:10,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:10" (1/1) ... [2020-11-07 04:37:10,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:10" (1/1) ... [2020-11-07 04:37:10,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:10" (1/1) ... [2020-11-07 04:37:10,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:10" (1/1) ... [2020-11-07 04:37:10,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:10" (1/1) ... [2020-11-07 04:37:10,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:10" (1/1) ... [2020-11-07 04:37:10,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:10" (1/1) ... [2020-11-07 04:37:10,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:37:10,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:37:10,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:37:10,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:37:10,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:37:10,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:37:10,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:37:10,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 04:37:10,277 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:37:10,278 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 04:37:10,278 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 04:37:10,278 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 04:37:10,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 04:37:10,278 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 04:37:10,279 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 04:37:10,279 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 04:37:10,279 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-11-07 04:37:10,279 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 04:37:10,279 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 04:37:10,279 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:37:10,280 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-07 04:37:10,280 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 04:37:10,280 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 04:37:10,280 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 04:37:10,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 04:37:10,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 04:37:10,281 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 04:37:10,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 04:37:10,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-11-07 04:37:10,281 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-11-07 04:37:10,281 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-07 04:37:10,282 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 04:37:10,282 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 04:37:10,282 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 04:37:10,282 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 04:37:10,282 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 04:37:10,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 04:37:10,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:37:10,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:37:10,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:37:10,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 04:37:10,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 04:37:10,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 04:37:10,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 04:37:10,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 04:37:10,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 04:37:10,284 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 04:37:10,284 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 04:37:10,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 04:37:10,285 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 04:37:10,285 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:37:10,285 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:37:10,285 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:37:10,285 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:37:10,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:37:10,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:37:10,286 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 04:37:10,286 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 04:37:10,286 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 04:37:10,286 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 04:37:10,287 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 04:37:10,287 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 04:37:10,287 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 04:37:10,287 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 04:37:10,287 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-11-07 04:37:10,288 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 04:37:10,288 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 04:37:10,288 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 04:37:10,288 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 04:37:10,288 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 04:37:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-11-07 04:37:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-07 04:37:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:37:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:37:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 04:37:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 04:37:10,290 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 04:37:10,290 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:37:10,290 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-11-07 04:37:10,290 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-07 04:37:10,290 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 04:37:10,290 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 04:37:10,291 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 04:37:10,291 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 04:37:10,291 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 04:37:10,291 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 04:37:10,291 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 04:37:10,291 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 04:37:10,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:37:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 04:37:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 04:37:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 04:37:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 04:37:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 04:37:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:37:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 04:37:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 04:37:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:37:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 04:37:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 04:37:10,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:37:10,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 04:37:10,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 04:37:10,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 04:37:10,294 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 04:37:10,294 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 04:37:10,294 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 04:37:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:37:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:37:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:37:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:37:11,719 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:37:11,719 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 04:37:11,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:37:11 BoogieIcfgContainer [2020-11-07 04:37:11,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:37:11,724 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:37:11,724 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:37:11,727 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:37:11,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:37:09" (1/3) ... [2020-11-07 04:37:11,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1505338d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:37:11, skipping insertion in model container [2020-11-07 04:37:11,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:10" (2/3) ... [2020-11-07 04:37:11,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1505338d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:37:11, skipping insertion in model container [2020-11-07 04:37:11,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:37:11" (3/3) ... [2020-11-07 04:37:11,731 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product56.cil.c [2020-11-07 04:37:11,746 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:37:11,751 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 04:37:11,763 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 04:37:11,800 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:37:11,800 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:37:11,800 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:37:11,800 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:37:11,800 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:37:11,800 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:37:11,801 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:37:11,801 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:37:11,825 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states. [2020-11-07 04:37:11,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-07 04:37:11,847 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:37:11,848 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:37:11,849 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:37:11,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:37:11,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1703689242, now seen corresponding path program 1 times [2020-11-07 04:37:11,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:37:11,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2065556566] [2020-11-07 04:37:11,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:37:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:12,658 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:37:12,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:12,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:37:12,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:12,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:37:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:12,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:37:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:12,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:37:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:12,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:37:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:12,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 04:37:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:12,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:12,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-11-07 04:37:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:12,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-11-07 04:37:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:12,895 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:37:12,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2065556566] [2020-11-07 04:37:12,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:37:12,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 04:37:12,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053287007] [2020-11-07 04:37:12,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 04:37:12,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:37:12,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 04:37:12,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:37:12,922 INFO L87 Difference]: Start difference. First operand 369 states. Second operand 4 states. [2020-11-07 04:37:15,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:37:15,032 INFO L93 Difference]: Finished difference Result 594 states and 698 transitions. [2020-11-07 04:37:15,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-07 04:37:15,034 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-11-07 04:37:15,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:37:15,053 INFO L225 Difference]: With dead ends: 594 [2020-11-07 04:37:15,053 INFO L226 Difference]: Without dead ends: 366 [2020-11-07 04:37:15,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:37:15,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2020-11-07 04:37:15,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 315. [2020-11-07 04:37:15,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2020-11-07 04:37:15,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 345 transitions. [2020-11-07 04:37:15,283 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 345 transitions. Word has length 166 [2020-11-07 04:37:15,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:37:15,285 INFO L481 AbstractCegarLoop]: Abstraction has 315 states and 345 transitions. [2020-11-07 04:37:15,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 04:37:15,285 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 345 transitions. [2020-11-07 04:37:15,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-07 04:37:15,290 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:37:15,291 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:37:15,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:37:15,292 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:37:15,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:37:15,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1670140148, now seen corresponding path program 1 times [2020-11-07 04:37:15,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:37:15,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1086910582] [2020-11-07 04:37:15,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:37:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:15,790 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:37:15,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:15,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:37:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:15,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:37:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:15,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:37:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:15,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:37:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:15,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:37:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:15,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:37:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:15,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:15,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:37:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:15,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:37:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:15,946 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:37:15,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1086910582] [2020-11-07 04:37:15,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:37:15,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 04:37:15,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876289358] [2020-11-07 04:37:15,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 04:37:15,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:37:15,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 04:37:15,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 04:37:15,953 INFO L87 Difference]: Start difference. First operand 315 states and 345 transitions. Second operand 5 states. [2020-11-07 04:37:16,976 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:37:18,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:37:18,653 INFO L93 Difference]: Finished difference Result 510 states and 578 transitions. [2020-11-07 04:37:18,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-07 04:37:18,660 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-11-07 04:37:18,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:37:18,666 INFO L225 Difference]: With dead ends: 510 [2020-11-07 04:37:18,666 INFO L226 Difference]: Without dead ends: 355 [2020-11-07 04:37:18,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-07 04:37:18,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2020-11-07 04:37:18,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 305. [2020-11-07 04:37:18,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-11-07 04:37:18,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 332 transitions. [2020-11-07 04:37:18,809 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 332 transitions. Word has length 167 [2020-11-07 04:37:18,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:37:18,809 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 332 transitions. [2020-11-07 04:37:18,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 04:37:18,810 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 332 transitions. [2020-11-07 04:37:18,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-11-07 04:37:18,813 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:37:18,813 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:37:18,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 04:37:18,813 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:37:18,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:37:18,814 INFO L82 PathProgramCache]: Analyzing trace with hash -475027597, now seen corresponding path program 1 times [2020-11-07 04:37:18,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:37:18,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [29188604] [2020-11-07 04:37:18,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:37:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:19,270 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:37:19,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:19,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:37:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:19,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:37:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:19,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:37:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:19,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:37:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:19,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:37:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:19,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:37:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:19,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:37:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:19,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:19,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-11-07 04:37:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:19,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-11-07 04:37:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:19,490 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:37:19,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [29188604] [2020-11-07 04:37:19,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:37:19,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:37:19,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074890793] [2020-11-07 04:37:19,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:37:19,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:37:19,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:37:19,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:37:19,496 INFO L87 Difference]: Start difference. First operand 305 states and 332 transitions. Second operand 11 states. [2020-11-07 04:37:20,279 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:37:20,790 WARN L194 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:37:21,247 WARN L194 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:37:21,660 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:37:22,044 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:37:22,451 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:37:23,958 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:37:27,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:37:27,710 INFO L93 Difference]: Finished difference Result 847 states and 986 transitions. [2020-11-07 04:37:27,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 04:37:27,712 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 180 [2020-11-07 04:37:27,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:37:27,720 INFO L225 Difference]: With dead ends: 847 [2020-11-07 04:37:27,720 INFO L226 Difference]: Without dead ends: 662 [2020-11-07 04:37:27,723 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-11-07 04:37:27,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-11-07 04:37:28,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 557. [2020-11-07 04:37:28,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2020-11-07 04:37:28,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 627 transitions. [2020-11-07 04:37:28,029 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 627 transitions. Word has length 180 [2020-11-07 04:37:28,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:37:28,031 INFO L481 AbstractCegarLoop]: Abstraction has 557 states and 627 transitions. [2020-11-07 04:37:28,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:37:28,031 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 627 transitions. [2020-11-07 04:37:28,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-07 04:37:28,036 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:37:28,036 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:37:28,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 04:37:28,037 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:37:28,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:37:28,038 INFO L82 PathProgramCache]: Analyzing trace with hash 533942979, now seen corresponding path program 1 times [2020-11-07 04:37:28,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:37:28,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1360012831] [2020-11-07 04:37:28,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:37:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:28,514 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:37:28,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:28,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:37:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:28,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:37:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:28,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:37:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:28,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:37:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:28,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:37:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:28,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-11-07 04:37:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:28,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:37:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:28,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:28,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-11-07 04:37:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:28,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-11-07 04:37:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:28,732 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-07 04:37:28,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1360012831] [2020-11-07 04:37:28,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:37:28,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 04:37:28,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993823095] [2020-11-07 04:37:28,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 04:37:28,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:37:28,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 04:37:28,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:37:28,736 INFO L87 Difference]: Start difference. First operand 557 states and 627 transitions. Second operand 10 states. [2020-11-07 04:37:29,463 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:37:30,720 WARN L194 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:37:31,150 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:37:32,583 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:37:33,013 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:37:33,503 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:37:33,911 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:37:34,381 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:37:34,808 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:37:36,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:37:36,368 INFO L93 Difference]: Finished difference Result 1275 states and 1530 transitions. [2020-11-07 04:37:36,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-07 04:37:36,368 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 185 [2020-11-07 04:37:36,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:37:36,375 INFO L225 Difference]: With dead ends: 1275 [2020-11-07 04:37:36,375 INFO L226 Difference]: Without dead ends: 838 [2020-11-07 04:37:36,378 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-11-07 04:37:36,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-11-07 04:37:36,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 745. [2020-11-07 04:37:36,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-11-07 04:37:36,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 841 transitions. [2020-11-07 04:37:36,723 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 841 transitions. Word has length 185 [2020-11-07 04:37:36,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:37:36,724 INFO L481 AbstractCegarLoop]: Abstraction has 745 states and 841 transitions. [2020-11-07 04:37:36,724 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 04:37:36,724 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 841 transitions. [2020-11-07 04:37:36,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-11-07 04:37:36,729 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:37:36,729 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] [2020-11-07 04:37:36,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 04:37:36,730 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:37:36,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:37:36,730 INFO L82 PathProgramCache]: Analyzing trace with hash -953558733, now seen corresponding path program 1 times [2020-11-07 04:37:36,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:37:36,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1804995796] [2020-11-07 04:37:36,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:37:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:37,151 WARN L194 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:37:37,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:37,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:37:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:37,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:37:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:37,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:37:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:37,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:37:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:37,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:37:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:37,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:37:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:37,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:37:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:37,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:37,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:37:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:37,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:37,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:37,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:37,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:37:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:37,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:37:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:37,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-11-07 04:37:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:37,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-11-07 04:37:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:37,414 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:37:37,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1804995796] [2020-11-07 04:37:37,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:37:37,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:37:37,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733911470] [2020-11-07 04:37:37,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:37:37,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:37:37,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:37:37,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:37:37,417 INFO L87 Difference]: Start difference. First operand 745 states and 841 transitions. Second operand 11 states. [2020-11-07 04:37:39,506 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:37:39,920 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:37:40,357 WARN L194 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:37:40,766 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:37:41,185 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:37:41,567 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:37:43,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:37:43,230 INFO L93 Difference]: Finished difference Result 1578 states and 1890 transitions. [2020-11-07 04:37:43,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-07 04:37:43,231 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 223 [2020-11-07 04:37:43,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:37:43,238 INFO L225 Difference]: With dead ends: 1578 [2020-11-07 04:37:43,238 INFO L226 Difference]: Without dead ends: 953 [2020-11-07 04:37:43,241 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-11-07 04:37:43,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2020-11-07 04:37:43,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 764. [2020-11-07 04:37:43,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 764 states. [2020-11-07 04:37:43,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 861 transitions. [2020-11-07 04:37:43,595 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 861 transitions. Word has length 223 [2020-11-07 04:37:43,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:37:43,596 INFO L481 AbstractCegarLoop]: Abstraction has 764 states and 861 transitions. [2020-11-07 04:37:43,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:37:43,596 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 861 transitions. [2020-11-07 04:37:43,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-11-07 04:37:43,600 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:37:43,600 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] [2020-11-07 04:37:43,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 04:37:43,601 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:37:43,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:37:43,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1409217747, now seen corresponding path program 1 times [2020-11-07 04:37:43,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:37:43,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2049805325] [2020-11-07 04:37:43,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:37:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:44,029 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:37:44,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:44,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:37:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:44,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:37:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:44,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:37:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:44,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:37:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:44,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:37:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:44,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:37:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:44,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:37:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:44,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:44,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:37:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:44,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:44,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:44,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:44,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:37:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:44,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:37:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:44,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-11-07 04:37:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:44,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-11-07 04:37:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:44,326 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:37:44,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2049805325] [2020-11-07 04:37:44,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:37:44,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-07 04:37:44,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459793323] [2020-11-07 04:37:44,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 04:37:44,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:37:44,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 04:37:44,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-11-07 04:37:44,332 INFO L87 Difference]: Start difference. First operand 764 states and 861 transitions. Second operand 14 states. [2020-11-07 04:37:45,182 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:37:45,594 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:37:46,005 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:37:46,414 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:37:46,796 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:37:48,360 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:37:48,776 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:37:49,234 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:37:49,684 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:37:50,072 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:37:52,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:37:52,299 INFO L93 Difference]: Finished difference Result 1619 states and 1961 transitions. [2020-11-07 04:37:52,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 04:37:52,300 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 223 [2020-11-07 04:37:52,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:37:52,307 INFO L225 Difference]: With dead ends: 1619 [2020-11-07 04:37:52,307 INFO L226 Difference]: Without dead ends: 975 [2020-11-07 04:37:52,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-11-07 04:37:52,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2020-11-07 04:37:52,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 776. [2020-11-07 04:37:52,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 776 states. [2020-11-07 04:37:52,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 873 transitions. [2020-11-07 04:37:52,616 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 873 transitions. Word has length 223 [2020-11-07 04:37:52,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:37:52,618 INFO L481 AbstractCegarLoop]: Abstraction has 776 states and 873 transitions. [2020-11-07 04:37:52,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 04:37:52,618 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 873 transitions. [2020-11-07 04:37:52,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-11-07 04:37:52,624 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:37:52,624 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] [2020-11-07 04:37:52,624 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 04:37:52,625 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:37:52,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:37:52,628 INFO L82 PathProgramCache]: Analyzing trace with hash -973175562, now seen corresponding path program 1 times [2020-11-07 04:37:52,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:37:52,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1910237599] [2020-11-07 04:37:52,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:37:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,123 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:37:53,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:37:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:37:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:37:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:37:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:37:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:37:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:37:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:37:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:37:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:37:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-11-07 04:37:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-11-07 04:37:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,452 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:37:53,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1910237599] [2020-11-07 04:37:53,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:37:53,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 04:37:53,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304397643] [2020-11-07 04:37:53,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 04:37:53,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:37:53,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 04:37:53,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-07 04:37:53,455 INFO L87 Difference]: Start difference. First operand 776 states and 873 transitions. Second operand 8 states. [2020-11-07 04:37:54,195 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:37:55,069 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:37:59,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:37:59,437 INFO L93 Difference]: Finished difference Result 2409 states and 2946 transitions. [2020-11-07 04:37:59,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-11-07 04:37:59,438 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 223 [2020-11-07 04:37:59,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:37:59,449 INFO L225 Difference]: With dead ends: 2409 [2020-11-07 04:37:59,449 INFO L226 Difference]: Without dead ends: 1753 [2020-11-07 04:37:59,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 46 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2020-11-07 04:37:59,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1753 states. [2020-11-07 04:38:00,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1753 to 1484. [2020-11-07 04:38:00,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1484 states. [2020-11-07 04:38:00,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1696 transitions. [2020-11-07 04:38:00,090 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1696 transitions. Word has length 223 [2020-11-07 04:38:00,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:38:00,090 INFO L481 AbstractCegarLoop]: Abstraction has 1484 states and 1696 transitions. [2020-11-07 04:38:00,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 04:38:00,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1696 transitions. [2020-11-07 04:38:00,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-11-07 04:38:00,094 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:38:00,094 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:38:00,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 04:38:00,095 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:38:00,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:38:00,095 INFO L82 PathProgramCache]: Analyzing trace with hash 332923864, now seen corresponding path program 1 times [2020-11-07 04:38:00,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:38:00,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1468159915] [2020-11-07 04:38:00,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:38:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:00,641 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:38:00,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:00,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:38:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:00,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:38:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:00,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:38:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:00,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:38:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:00,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:38:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:00,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:38:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:00,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:38:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:00,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:38:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:00,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:00,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-11-07 04:38:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:00,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:00,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:00,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:00,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:38:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:00,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:38:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:00,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-11-07 04:38:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:00,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-11-07 04:38:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:00,982 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:38:00,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1468159915] [2020-11-07 04:38:00,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:38:00,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-11-07 04:38:00,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300537001] [2020-11-07 04:38:00,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-07 04:38:00,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:38:00,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-07 04:38:00,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-11-07 04:38:00,985 INFO L87 Difference]: Start difference. First operand 1484 states and 1696 transitions. Second operand 15 states. [2020-11-07 04:38:02,066 WARN L194 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-07 04:38:03,206 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:38:04,977 WARN L194 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-11-07 04:38:05,793 WARN L194 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:38:06,278 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:38:06,703 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:38:07,530 WARN L194 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-11-07 04:38:07,947 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:38:08,442 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:38:08,849 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:38:13,848 WARN L194 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-11-07 04:38:14,629 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:38:15,047 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:38:15,722 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:17,626 WARN L194 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-11-07 04:38:18,407 WARN L194 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-11-07 04:38:19,209 WARN L194 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-11-07 04:38:20,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:38:20,755 INFO L93 Difference]: Finished difference Result 4582 states and 5629 transitions. [2020-11-07 04:38:20,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-11-07 04:38:20,756 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 228 [2020-11-07 04:38:20,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:38:20,777 INFO L225 Difference]: With dead ends: 4582 [2020-11-07 04:38:20,777 INFO L226 Difference]: Without dead ends: 3509 [2020-11-07 04:38:20,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1406 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=843, Invalid=3447, Unknown=0, NotChecked=0, Total=4290 [2020-11-07 04:38:20,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3509 states. [2020-11-07 04:38:22,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3509 to 2791. [2020-11-07 04:38:22,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2791 states. [2020-11-07 04:38:22,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 3167 transitions. [2020-11-07 04:38:22,095 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 3167 transitions. Word has length 228 [2020-11-07 04:38:22,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:38:22,096 INFO L481 AbstractCegarLoop]: Abstraction has 2791 states and 3167 transitions. [2020-11-07 04:38:22,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-07 04:38:22,096 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3167 transitions. [2020-11-07 04:38:22,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-11-07 04:38:22,101 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:38:22,102 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:38:22,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 04:38:22,103 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:38:22,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:38:22,103 INFO L82 PathProgramCache]: Analyzing trace with hash -946637096, now seen corresponding path program 1 times [2020-11-07 04:38:22,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:38:22,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [727852852] [2020-11-07 04:38:22,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:38:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,593 WARN L194 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:38:22,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:38:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:38:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:38:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:38:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:38:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:38:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:38:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:38:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:38:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:38:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:38:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-11-07 04:38:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-11-07 04:38:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-11-07 04:38:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-11-07 04:38:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-11-07 04:38:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:38:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:38:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:38:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:38:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-11-07 04:38:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:22,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-11-07 04:38:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:23,148 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 34 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-07 04:38:23,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [727852852] [2020-11-07 04:38:23,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:38:23,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:38:23,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597775737] [2020-11-07 04:38:23,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:38:23,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:38:23,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:38:23,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:38:23,151 INFO L87 Difference]: Start difference. First operand 2791 states and 3167 transitions. Second operand 19 states. [2020-11-07 04:38:24,170 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:38:24,592 WARN L194 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:38:25,036 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:25,448 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:38:25,849 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:27,082 WARN L194 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-11-07 04:38:27,625 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:38:28,136 WARN L194 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:38:28,517 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:38:28,932 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:38:29,483 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:38:29,978 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-11-07 04:38:30,442 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:38:32,472 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:38:34,332 WARN L194 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:38:35,105 WARN L194 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:38:35,940 WARN L194 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:38:36,523 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:38:37,522 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:38,313 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:38:38,809 WARN L194 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:38:40,064 WARN L194 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-11-07 04:38:40,787 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:38:41,535 WARN L194 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-11-07 04:38:42,395 WARN L194 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-11-07 04:38:43,837 WARN L194 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-11-07 04:38:45,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:38:45,788 INFO L93 Difference]: Finished difference Result 6257 states and 7379 transitions. [2020-11-07 04:38:45,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-11-07 04:38:45,788 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 342 [2020-11-07 04:38:45,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:38:45,810 INFO L225 Difference]: With dead ends: 6257 [2020-11-07 04:38:45,810 INFO L226 Difference]: Without dead ends: 3862 [2020-11-07 04:38:45,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2441 ImplicationChecksByTransitivity, 14.8s TimeCoverageRelationStatistics Valid=1407, Invalid=6603, Unknown=0, NotChecked=0, Total=8010 [2020-11-07 04:38:45,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3862 states. [2020-11-07 04:38:47,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3862 to 3211. [2020-11-07 04:38:47,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3211 states. [2020-11-07 04:38:47,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3211 states to 3211 states and 3572 transitions. [2020-11-07 04:38:47,389 INFO L78 Accepts]: Start accepts. Automaton has 3211 states and 3572 transitions. Word has length 342 [2020-11-07 04:38:47,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:38:47,390 INFO L481 AbstractCegarLoop]: Abstraction has 3211 states and 3572 transitions. [2020-11-07 04:38:47,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:38:47,391 INFO L276 IsEmpty]: Start isEmpty. Operand 3211 states and 3572 transitions. [2020-11-07 04:38:47,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2020-11-07 04:38:47,402 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:38:47,403 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:38:47,403 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 04:38:47,403 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:38:47,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:38:47,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1753278053, now seen corresponding path program 1 times [2020-11-07 04:38:47,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:38:47,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2129316836] [2020-11-07 04:38:47,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:38:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:47,875 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:38:47,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:47,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:38:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:47,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:38:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:47,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:38:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:47,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:38:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:47,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:38:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:47,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:38:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:47,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:38:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:47,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:38:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:47,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:47,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:38:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:38:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:38:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-11-07 04:38:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-11-07 04:38:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-11-07 04:38:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:38:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:38:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:38:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:38:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:38:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:38:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:38:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-11-07 04:38:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-11-07 04:38:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:38:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:38:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:38:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:38:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:38:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-11-07 04:38:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2020-11-07 04:38:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-11-07 04:38:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:38:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:38:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2020-11-07 04:38:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-11-07 04:38:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:48,548 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2020-11-07 04:38:48,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2129316836] [2020-11-07 04:38:48,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:38:48,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-11-07 04:38:48,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999263821] [2020-11-07 04:38:48,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-07 04:38:48,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:38:48,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-07 04:38:48,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:38:48,551 INFO L87 Difference]: Start difference. First operand 3211 states and 3572 transitions. Second operand 17 states. [2020-11-07 04:38:49,374 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:38:50,759 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:56,627 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:38:57,103 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:38:57,544 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:38:57,992 WARN L194 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:38:58,433 WARN L194 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:38:58,876 WARN L194 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:38:59,295 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:38:59,755 WARN L194 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:39:00,262 WARN L194 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:39:00,733 WARN L194 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:39:01,176 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:39:01,586 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:39:02,357 WARN L194 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-11-07 04:39:02,771 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:39:03,513 WARN L194 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-11-07 04:39:03,981 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:39:04,423 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:39:04,835 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:39:09,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:39:09,709 INFO L93 Difference]: Finished difference Result 10097 states and 11672 transitions. [2020-11-07 04:39:09,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-11-07 04:39:09,709 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 517 [2020-11-07 04:39:09,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:39:09,751 INFO L225 Difference]: With dead ends: 10097 [2020-11-07 04:39:09,751 INFO L226 Difference]: Without dead ends: 7019 [2020-11-07 04:39:09,764 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 127 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1215 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=840, Invalid=3582, Unknown=0, NotChecked=0, Total=4422 [2020-11-07 04:39:09,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7019 states. [2020-11-07 04:39:12,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7019 to 6213. [2020-11-07 04:39:12,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6213 states. [2020-11-07 04:39:12,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6213 states to 6213 states and 6858 transitions. [2020-11-07 04:39:12,505 INFO L78 Accepts]: Start accepts. Automaton has 6213 states and 6858 transitions. Word has length 517 [2020-11-07 04:39:12,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:39:12,509 INFO L481 AbstractCegarLoop]: Abstraction has 6213 states and 6858 transitions. [2020-11-07 04:39:12,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-07 04:39:12,509 INFO L276 IsEmpty]: Start isEmpty. Operand 6213 states and 6858 transitions. [2020-11-07 04:39:12,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2020-11-07 04:39:12,530 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:39:12,531 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:39:12,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 04:39:12,531 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:39:12,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:39:12,532 INFO L82 PathProgramCache]: Analyzing trace with hash 332675398, now seen corresponding path program 1 times [2020-11-07 04:39:12,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:39:12,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [373848521] [2020-11-07 04:39:12,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:39:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:12,977 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:39:12,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:39:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:39:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:39:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:39:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:39:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:39:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:39:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:39:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-11-07 04:39:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:39:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:39:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:39:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-11-07 04:39:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-11-07 04:39:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-11-07 04:39:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:39:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:39:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:39:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:39:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:39:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:39:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:39:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-11-07 04:39:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-11-07 04:39:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:39:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:39:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:39:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:39:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:39:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2020-11-07 04:39:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2020-11-07 04:39:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-11-07 04:39:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:39:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:39:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2020-11-07 04:39:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2020-11-07 04:39:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:13,892 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 115 proven. 20 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2020-11-07 04:39:13,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [373848521] [2020-11-07 04:39:13,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:39:13,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-11-07 04:39:13,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508085957] [2020-11-07 04:39:13,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-11-07 04:39:13,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:39:13,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-11-07 04:39:13,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-11-07 04:39:13,895 INFO L87 Difference]: Start difference. First operand 6213 states and 6858 transitions. Second operand 23 states. [2020-11-07 04:39:14,673 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:39:15,213 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:39:15,619 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:39:16,024 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:39:16,423 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:39:16,808 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:39:18,178 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:39:24,584 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:39:25,019 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:39:25,474 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:39:25,902 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:39:26,331 WARN L194 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:39:26,751 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:39:27,225 WARN L194 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:39:27,651 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:39:28,061 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:39:28,526 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:39:28,949 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:39:29,407 WARN L194 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:39:30,236 WARN L194 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:39:31,098 WARN L194 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:39:31,887 WARN L194 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:39:36,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:39:36,708 INFO L93 Difference]: Finished difference Result 13052 states and 15131 transitions. [2020-11-07 04:39:36,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-11-07 04:39:36,708 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 522 [2020-11-07 04:39:36,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:39:36,750 INFO L225 Difference]: With dead ends: 13052 [2020-11-07 04:39:36,750 INFO L226 Difference]: Without dead ends: 7560 [2020-11-07 04:39:36,767 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 135 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2114 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=1289, Invalid=6021, Unknown=0, NotChecked=0, Total=7310 [2020-11-07 04:39:36,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7560 states. [2020-11-07 04:39:39,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7560 to 5733. [2020-11-07 04:39:39,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5733 states. [2020-11-07 04:39:39,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5733 states to 5733 states and 6320 transitions. [2020-11-07 04:39:39,329 INFO L78 Accepts]: Start accepts. Automaton has 5733 states and 6320 transitions. Word has length 522 [2020-11-07 04:39:39,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:39:39,330 INFO L481 AbstractCegarLoop]: Abstraction has 5733 states and 6320 transitions. [2020-11-07 04:39:39,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-11-07 04:39:39,330 INFO L276 IsEmpty]: Start isEmpty. Operand 5733 states and 6320 transitions. [2020-11-07 04:39:39,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2020-11-07 04:39:39,347 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:39:39,348 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:39:39,348 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-07 04:39:39,348 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:39:39,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:39:39,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1981461818, now seen corresponding path program 1 times [2020-11-07 04:39:39,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:39:39,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [7805622] [2020-11-07 04:39:39,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:39:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:39,767 WARN L194 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:39:39,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:39,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:39:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:39,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:39:39,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:39,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:39:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:39,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:39:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:39,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:39:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:39,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:39:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:39,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:39:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:39,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:39:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:39,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:39,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:39,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:39:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:39,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:39,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:39,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:39,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:39:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:39,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:39:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:39,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-11-07 04:39:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:39,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-11-07 04:39:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-11-07 04:39:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:39:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:39:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:39:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:39:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:39:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:39:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:39:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2020-11-07 04:39:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-11-07 04:39:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-11-07 04:39:40,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:39:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:39:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:39:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:39:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:39:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-11-07 04:39:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2020-11-07 04:39:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-11-07 04:39:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2020-11-07 04:39:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:39:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:39:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2020-11-07 04:39:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2020-11-07 04:39:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:40,582 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 125 proven. 38 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-11-07 04:39:40,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [7805622] [2020-11-07 04:39:40,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:39:40,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:39:40,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797900992] [2020-11-07 04:39:40,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:39:40,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:39:40,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:39:40,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:39:40,584 INFO L87 Difference]: Start difference. First operand 5733 states and 6320 transitions. Second operand 18 states. [2020-11-07 04:39:43,071 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:39:43,501 WARN L194 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:39:43,949 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:39:44,400 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:39:44,814 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:39:45,226 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:39:47,678 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:39:48,102 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:39:59,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:39:59,458 INFO L93 Difference]: Finished difference Result 18583 states and 22321 transitions. [2020-11-07 04:39:59,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-11-07 04:39:59,459 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 526 [2020-11-07 04:39:59,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:39:59,525 INFO L225 Difference]: With dead ends: 18583 [2020-11-07 04:39:59,525 INFO L226 Difference]: Without dead ends: 11673 [2020-11-07 04:39:59,552 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 142 SyntacticMatches, 6 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1315 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=880, Invalid=3410, Unknown=0, NotChecked=0, Total=4290 [2020-11-07 04:39:59,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11673 states. [2020-11-07 04:40:03,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11673 to 7669. [2020-11-07 04:40:03,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7669 states. [2020-11-07 04:40:03,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7669 states to 7669 states and 8596 transitions. [2020-11-07 04:40:03,080 INFO L78 Accepts]: Start accepts. Automaton has 7669 states and 8596 transitions. Word has length 526 [2020-11-07 04:40:03,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:40:03,083 INFO L481 AbstractCegarLoop]: Abstraction has 7669 states and 8596 transitions. [2020-11-07 04:40:03,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:40:03,083 INFO L276 IsEmpty]: Start isEmpty. Operand 7669 states and 8596 transitions. [2020-11-07 04:40:03,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2020-11-07 04:40:03,105 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:40:03,105 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:40:03,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-07 04:40:03,106 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:40:03,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:40:03,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1888993423, now seen corresponding path program 1 times [2020-11-07 04:40:03,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:40:03,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [8760510] [2020-11-07 04:40:03,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:40:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,534 WARN L194 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:40:03,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:40:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:40:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:40:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:40:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:40:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:40:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:40:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:40:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:40:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:40:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-11-07 04:40:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-11-07 04:40:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-11-07 04:40:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:40:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:40:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:40:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:40:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:40:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2020-11-07 04:40:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-11-07 04:40:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2020-11-07 04:40:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:40:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:40:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:40:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-11-07 04:40:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-11-07 04:40:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2020-11-07 04:40:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:40:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:03,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2020-11-07 04:40:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:04,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2020-11-07 04:40:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:04,158 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 133 proven. 45 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2020-11-07 04:40:04,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [8760510] [2020-11-07 04:40:04,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:40:04,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-11-07 04:40:04,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902052197] [2020-11-07 04:40:04,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-11-07 04:40:04,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:40:04,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-11-07 04:40:04,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2020-11-07 04:40:04,160 INFO L87 Difference]: Start difference. First operand 7669 states and 8596 transitions. Second operand 20 states. [2020-11-07 04:40:04,922 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:40:05,459 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:40:06,002 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:40:06,400 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:40:06,791 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:40:07,167 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:40:08,428 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:40:08,861 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:40:10,815 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:40:11,551 WARN L194 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:40:12,043 WARN L194 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:40:12,527 WARN L194 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:40:14,153 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:40:14,577 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:40:16,925 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:40:17,465 WARN L194 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:40:17,862 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:40:22,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:40:22,549 INFO L93 Difference]: Finished difference Result 17089 states and 20249 transitions. [2020-11-07 04:40:22,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-11-07 04:40:22,553 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 532 [2020-11-07 04:40:22,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:40:22,596 INFO L225 Difference]: With dead ends: 17089 [2020-11-07 04:40:22,596 INFO L226 Difference]: Without dead ends: 10141 [2020-11-07 04:40:22,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1552 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=986, Invalid=4270, Unknown=0, NotChecked=0, Total=5256 [2020-11-07 04:40:22,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10141 states. [2020-11-07 04:40:25,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10141 to 7469. [2020-11-07 04:40:25,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7469 states. [2020-11-07 04:40:25,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7469 states to 7469 states and 8322 transitions. [2020-11-07 04:40:25,988 INFO L78 Accepts]: Start accepts. Automaton has 7469 states and 8322 transitions. Word has length 532 [2020-11-07 04:40:25,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:40:25,989 INFO L481 AbstractCegarLoop]: Abstraction has 7469 states and 8322 transitions. [2020-11-07 04:40:25,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-11-07 04:40:25,989 INFO L276 IsEmpty]: Start isEmpty. Operand 7469 states and 8322 transitions. [2020-11-07 04:40:26,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2020-11-07 04:40:26,008 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:40:26,009 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:40:26,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-07 04:40:26,009 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:40:26,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:40:26,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1265650513, now seen corresponding path program 1 times [2020-11-07 04:40:26,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:40:26,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1069247340] [2020-11-07 04:40:26,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:40:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,487 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:40:26,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:40:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:40:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:40:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:40:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:40:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:40:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:40:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:40:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:40:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:40:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-11-07 04:40:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-11-07 04:40:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-11-07 04:40:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:40:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:40:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:40:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:40:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:40:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2020-11-07 04:40:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2020-11-07 04:40:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-11-07 04:40:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:40:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:40:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:40:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-11-07 04:40:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2020-11-07 04:40:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2020-11-07 04:40:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:26,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:27,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:27,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:27,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:27,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:40:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:27,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-11-07 04:40:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:27,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-11-07 04:40:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:27,295 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 137 proven. 66 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-11-07 04:40:27,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1069247340] [2020-11-07 04:40:27,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:40:27,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:40:27,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624227611] [2020-11-07 04:40:27,297 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:40:27,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:40:27,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:40:27,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:40:27,297 INFO L87 Difference]: Start difference. First operand 7469 states and 8322 transitions. Second operand 18 states. [2020-11-07 04:40:28,077 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:40:30,600 WARN L194 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:40:31,048 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:40:31,835 WARN L194 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:40:32,240 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:40:33,018 WARN L194 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-11-07 04:40:33,412 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:40:34,149 WARN L194 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:40:34,589 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:40:35,012 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:40:35,435 WARN L194 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-11-07 04:40:35,851 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:40:36,245 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:40:38,337 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:40:38,805 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:40:39,634 WARN L194 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:40:40,463 WARN L194 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 214 [2020-11-07 04:40:41,234 WARN L194 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:40:42,008 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:40:42,434 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:40:48,706 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:40:50,075 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:40:50,543 WARN L194 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:40:51,371 WARN L194 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:40:52,177 WARN L194 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:40:52,942 WARN L194 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:41:05,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:05,630 INFO L93 Difference]: Finished difference Result 19620 states and 23786 transitions. [2020-11-07 04:41:05,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2020-11-07 04:41:05,630 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 533 [2020-11-07 04:41:05,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:05,690 INFO L225 Difference]: With dead ends: 19620 [2020-11-07 04:41:05,691 INFO L226 Difference]: Without dead ends: 15040 [2020-11-07 04:41:05,715 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 176 SyntacticMatches, 10 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4933 ImplicationChecksByTransitivity, 15.9s TimeCoverageRelationStatistics Valid=2128, Invalid=11212, Unknown=0, NotChecked=0, Total=13340 [2020-11-07 04:41:05,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15040 states. [2020-11-07 04:41:10,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15040 to 10585. [2020-11-07 04:41:10,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10585 states. [2020-11-07 04:41:10,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10585 states to 10585 states and 11700 transitions. [2020-11-07 04:41:10,374 INFO L78 Accepts]: Start accepts. Automaton has 10585 states and 11700 transitions. Word has length 533 [2020-11-07 04:41:10,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:41:10,375 INFO L481 AbstractCegarLoop]: Abstraction has 10585 states and 11700 transitions. [2020-11-07 04:41:10,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:41:10,375 INFO L276 IsEmpty]: Start isEmpty. Operand 10585 states and 11700 transitions. [2020-11-07 04:41:10,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2020-11-07 04:41:10,405 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:10,405 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 04:41:10,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-07 04:41:10,406 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:41:10,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:10,406 INFO L82 PathProgramCache]: Analyzing trace with hash 952382085, now seen corresponding path program 1 times [2020-11-07 04:41:10,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:10,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2087001590] [2020-11-07 04:41:10,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:10,858 WARN L194 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:10,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:10,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:10,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:10,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:10,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:10,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:10,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:41:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:10,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:41:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:10,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:41:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:10,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:10,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:10,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:41:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:10,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:41:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-11-07 04:41:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-11-07 04:41:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-11-07 04:41:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:41:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:41:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:41:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:41:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:41:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2020-11-07 04:41:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2020-11-07 04:41:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-11-07 04:41:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:41:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:41:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:41:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:41:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-11-07 04:41:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2020-11-07 04:41:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2020-11-07 04:41:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:41:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:41:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2020-11-07 04:41:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2020-11-07 04:41:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2020-11-07 04:41:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2020-11-07 04:41:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:41:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2020-11-07 04:41:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2020-11-07 04:41:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:11,949 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 178 proven. 62 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2020-11-07 04:41:11,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2087001590] [2020-11-07 04:41:11,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:41:11,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:41:11,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860063754] [2020-11-07 04:41:11,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:41:11,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:11,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:41:11,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:41:11,951 INFO L87 Difference]: Start difference. First operand 10585 states and 11700 transitions. Second operand 19 states. [2020-11-07 04:41:13,297 WARN L194 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:15,003 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:20,336 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:41:20,780 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-11-07 04:41:21,180 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:21,579 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:41:21,950 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:22,646 WARN L194 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-07 04:41:31,958 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:41:32,393 WARN L194 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:41:32,812 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:41:33,401 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:41:33,794 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:41:36,948 WARN L194 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 210 [2020-11-07 04:41:37,704 WARN L194 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-11-07 04:41:42,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:42,171 INFO L93 Difference]: Finished difference Result 34050 states and 40930 transitions. [2020-11-07 04:41:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2020-11-07 04:41:42,171 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 618 [2020-11-07 04:41:42,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:42,266 INFO L225 Difference]: With dead ends: 34050 [2020-11-07 04:41:42,266 INFO L226 Difference]: Without dead ends: 23034 [2020-11-07 04:41:42,306 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 176 SyntacticMatches, 10 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3006 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=1772, Invalid=7540, Unknown=0, NotChecked=0, Total=9312 [2020-11-07 04:41:42,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23034 states. [2020-11-07 04:41:49,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23034 to 14614. [2020-11-07 04:41:49,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14614 states. [2020-11-07 04:41:49,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14614 states to 14614 states and 16067 transitions. [2020-11-07 04:41:49,077 INFO L78 Accepts]: Start accepts. Automaton has 14614 states and 16067 transitions. Word has length 618 [2020-11-07 04:41:49,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:41:49,078 INFO L481 AbstractCegarLoop]: Abstraction has 14614 states and 16067 transitions. [2020-11-07 04:41:49,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:41:49,078 INFO L276 IsEmpty]: Start isEmpty. Operand 14614 states and 16067 transitions. [2020-11-07 04:41:49,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2020-11-07 04:41:49,102 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:49,102 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 04:41:49,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-07 04:41:49,103 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:41:49,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:49,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1773218267, now seen corresponding path program 1 times [2020-11-07 04:41:49,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:49,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1851945127] [2020-11-07 04:41:49,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,530 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:49,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:41:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:41:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:41:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:41:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:41:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-11-07 04:41:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-11-07 04:41:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-11-07 04:41:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:41:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:41:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:41:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:41:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:41:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2020-11-07 04:41:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2020-11-07 04:41:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-11-07 04:41:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:41:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:41:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:41:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:41:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-11-07 04:41:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2020-11-07 04:41:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2020-11-07 04:41:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:41:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:41:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2020-11-07 04:41:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2020-11-07 04:41:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2020-11-07 04:41:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2020-11-07 04:41:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:41:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2020-11-07 04:41:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:49,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2020-11-07 04:41:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:50,249 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 165 proven. 12 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2020-11-07 04:41:50,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1851945127] [2020-11-07 04:41:50,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:41:50,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:41:50,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477735637] [2020-11-07 04:41:50,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:41:50,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:50,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:41:50,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:41:50,251 INFO L87 Difference]: Start difference. First operand 14614 states and 16067 transitions. Second operand 19 states. [2020-11-07 04:41:51,110 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:51,525 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:41:51,918 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:52,302 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:52,847 WARN L194 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:57,725 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:58,231 WARN L194 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:58,626 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:41:59,039 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:59,430 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:59,819 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:42:01,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:42:01,269 INFO L93 Difference]: Finished difference Result 17477 states and 19466 transitions. [2020-11-07 04:42:01,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-11-07 04:42:01,270 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 618 [2020-11-07 04:42:01,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:42:01,275 INFO L225 Difference]: With dead ends: 17477 [2020-11-07 04:42:01,275 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 04:42:01,308 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 431 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=572, Invalid=1780, Unknown=0, NotChecked=0, Total=2352 [2020-11-07 04:42:01,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 04:42:01,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 04:42:01,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 04:42:01,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 04:42:01,311 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 618 [2020-11-07 04:42:01,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:42:01,311 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 04:42:01,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:42:01,312 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 04:42:01,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 04:42:01,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-07 04:42:01,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 04:42:01,786 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 248 [2020-11-07 04:42:02,023 WARN L194 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 249 [2020-11-07 04:42:02,891 WARN L194 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 219 [2020-11-07 04:42:03,588 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 218 [2020-11-07 04:42:03,770 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 216 [2020-11-07 04:42:04,009 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 221 [2020-11-07 04:42:12,108 WARN L194 SmtUtils]: Spent 6.13 s on a formula simplification. DAG size of input: 1069 DAG size of output: 741 [2020-11-07 04:42:22,121 WARN L194 SmtUtils]: Spent 5.74 s on a formula simplification. DAG size of input: 922 DAG size of output: 662 [2020-11-07 04:42:30,263 WARN L194 SmtUtils]: Spent 8.14 s on a formula simplification. DAG size of input: 1154 DAG size of output: 814 [2020-11-07 04:42:39,180 WARN L194 SmtUtils]: Spent 8.85 s on a formula simplification. DAG size of input: 1225 DAG size of output: 852 [2020-11-07 04:42:41,618 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 262 [2020-11-07 04:42:41,990 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:42:42,353 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:42:42,499 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 223 [2020-11-07 04:42:43,075 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2020-11-07 04:42:56,745 WARN L194 SmtUtils]: Spent 12.84 s on a formula simplification. DAG size of input: 1446 DAG size of output: 1040 [2020-11-07 04:42:57,111 WARN L194 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 240 [2020-11-07 04:42:57,629 WARN L194 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-11-07 04:42:58,130 WARN L194 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-11-07 04:42:58,311 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 240 [2020-11-07 04:42:58,727 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-11-07 04:42:58,929 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 240 [2020-11-07 04:42:59,160 WARN L194 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 240 [2020-11-07 04:42:59,330 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 240 [2020-11-07 04:43:00,237 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-11-07 04:43:00,735 WARN L194 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 240 [2020-11-07 04:43:00,997 WARN L194 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 240 [2020-11-07 04:43:01,163 WARN L194 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 240 [2020-11-07 04:43:01,326 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-11-07 04:43:01,588 WARN L194 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 240 [2020-11-07 04:43:02,393 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 246 [2020-11-07 04:43:03,479 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 268 [2020-11-07 04:43:03,906 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-11-07 04:43:04,346 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-11-07 04:43:04,512 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 242 [2020-11-07 04:43:04,682 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 244 [2020-11-07 04:43:05,261 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 268 [2020-11-07 04:43:05,917 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 244 [2020-11-07 04:43:16,472 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 232 [2020-11-07 04:43:16,858 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 233 [2020-11-07 04:43:26,406 WARN L194 SmtUtils]: Spent 7.95 s on a formula simplification. DAG size of input: 1158 DAG size of output: 803 [2020-11-07 04:43:36,940 WARN L194 SmtUtils]: Spent 8.83 s on a formula simplification. DAG size of input: 1225 DAG size of output: 852 [2020-11-07 04:43:45,664 WARN L194 SmtUtils]: Spent 8.72 s on a formula simplification. DAG size of input: 1225 DAG size of output: 852 [2020-11-07 04:43:49,695 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 240 [2020-11-07 04:43:50,710 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 265 [2020-11-07 04:43:51,114 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2020-11-07 04:43:51,512 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-11-07 04:43:51,664 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-11-07 04:43:52,329 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2020-11-07 04:43:52,944 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2020-11-07 04:43:54,421 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 224 [2020-11-07 04:43:54,868 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 218 [2020-11-07 04:43:55,487 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 218 [2020-11-07 04:43:55,639 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 218 [2020-11-07 04:43:55,763 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 224 [2020-11-07 04:43:55,872 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 218 [2020-11-07 04:43:55,981 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 218 [2020-11-07 04:43:56,181 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 218 [2020-11-07 04:43:56,326 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 218 [2020-11-07 04:43:56,929 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 224 [2020-11-07 04:43:57,039 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 218 [2020-11-07 04:43:57,777 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 218 [2020-11-07 04:43:57,902 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 224 [2020-11-07 04:43:58,161 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 224 [2020-11-07 04:43:59,079 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 223 [2020-11-07 04:43:59,412 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 223 [2020-11-07 04:43:59,516 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 262 [2020-11-07 04:43:59,622 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 262 [2020-11-07 04:44:00,520 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:44:00,718 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:44:00,996 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:44:01,106 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:44:01,241 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:44:01,347 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:44:01,490 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 223 [2020-11-07 04:44:01,811 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2020-11-07 04:44:02,078 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 223 [2020-11-07 04:44:02,226 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:44:02,332 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:44:03,000 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:44:03,128 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:44:03,817 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:44:03,922 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:44:04,057 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:44:04,173 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:44:04,479 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:44:04,679 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:44:04,879 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 223 [2020-11-07 04:44:05,858 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:44:05,967 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:44:06,747 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:44:06,934 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:44:13,046 WARN L194 SmtUtils]: Spent 5.38 s on a formula simplification. DAG size of input: 1069 DAG size of output: 741 [2020-11-07 04:44:13,196 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 244 [2020-11-07 04:44:13,456 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 242 [2020-11-07 04:44:13,629 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 243 [2020-11-07 04:44:13,762 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-11-07 04:44:21,608 WARN L194 SmtUtils]: Spent 7.84 s on a formula simplification. DAG size of input: 1050 DAG size of output: 789 [2020-11-07 04:44:25,038 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 262 [2020-11-07 04:44:25,406 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:44:25,769 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:44:25,909 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 223 [2020-11-07 04:44:26,475 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2020-11-07 04:44:32,755 WARN L194 SmtUtils]: Spent 5.43 s on a formula simplification. DAG size of input: 932 DAG size of output: 636 [2020-11-07 04:44:40,675 WARN L194 SmtUtils]: Spent 7.91 s on a formula simplification. DAG size of input: 1154 DAG size of output: 814 [2020-11-07 04:44:48,675 WARN L194 SmtUtils]: Spent 7.91 s on a formula simplification. DAG size of input: 1154 DAG size of output: 814 [2020-11-07 04:44:50,837 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 244 [2020-11-07 04:44:51,093 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 242 [2020-11-07 04:44:51,265 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 243 [2020-11-07 04:44:51,398 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-11-07 04:44:52,532 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 247 [2020-11-07 04:44:52,964 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 246 [2020-11-07 04:44:53,105 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-11-07 04:44:53,236 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 216 [2020-11-07 04:44:53,755 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 221 [2020-11-07 04:44:54,267 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 221 [2020-11-07 04:44:54,395 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 216 [2020-11-07 04:44:54,786 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 221 [2020-11-07 04:44:54,957 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 216 [2020-11-07 04:44:55,124 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 216 [2020-11-07 04:44:55,257 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 216 [2020-11-07 04:44:55,397 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 232 [2020-11-07 04:44:55,538 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 232 [2020-11-07 04:44:56,257 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 221 [2020-11-07 04:44:56,845 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 233 [2020-11-07 04:44:56,983 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 233 [2020-11-07 04:44:57,116 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 216 [2020-11-07 04:44:57,310 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 216 [2020-11-07 04:44:57,438 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 216 [2020-11-07 04:44:57,567 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 221 [2020-11-07 04:44:57,770 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 216 [2020-11-07 04:44:58,416 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 232 [2020-11-07 04:44:58,555 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 232 [2020-11-07 04:45:14,629 WARN L194 SmtUtils]: Spent 5.34 s on a formula simplification. DAG size of input: 1069 DAG size of output: 741 [2020-11-07 04:45:32,408 WARN L194 SmtUtils]: Spent 8.78 s on a formula simplification. DAG size of input: 1225 DAG size of output: 852 [2020-11-07 04:45:34,022 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 261 [2020-11-07 04:45:34,873 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 232 [2020-11-07 04:45:35,011 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 232 [2020-11-07 04:45:35,494 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 233 [2020-11-07 04:45:35,637 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 233 [2020-11-07 04:45:35,808 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 232 [2020-11-07 04:45:35,945 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 232 [2020-11-07 04:45:43,600 WARN L194 SmtUtils]: Spent 5.31 s on a formula simplification. DAG size of input: 1069 DAG size of output: 741 [2020-11-07 04:45:49,240 WARN L194 SmtUtils]: Spent 5.33 s on a formula simplification. DAG size of input: 1069 DAG size of output: 741 [2020-11-07 04:45:54,610 WARN L194 SmtUtils]: Spent 5.35 s on a formula simplification. DAG size of input: 1069 DAG size of output: 741 [2020-11-07 04:46:09,459 WARN L194 SmtUtils]: Spent 8.70 s on a formula simplification. DAG size of input: 1225 DAG size of output: 852 [2020-11-07 04:46:11,086 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:46:11,192 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:46:12,850 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:46:12,955 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:46:13,059 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:46:13,188 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:46:13,357 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:46:13,465 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:46:14,014 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:46:14,588 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 224 [2020-11-07 04:46:15,104 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 224 [2020-11-07 04:46:15,650 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 228 [2020-11-07 04:46:16,086 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 266 [2020-11-07 04:46:16,819 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 265 [2020-11-07 04:46:17,983 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 230 [2020-11-07 04:46:18,219 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 245 [2020-11-07 04:46:18,622 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 243 [2020-11-07 04:46:18,764 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 243 [2020-11-07 04:46:21,050 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 224 [2020-11-07 04:46:21,572 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 224 [2020-11-07 04:46:22,116 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 228 [2020-11-07 04:46:22,560 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 266 [2020-11-07 04:46:23,296 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 265 [2020-11-07 04:46:24,450 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 230 [2020-11-07 04:46:33,244 WARN L194 SmtUtils]: Spent 8.66 s on a formula simplification. DAG size of input: 1225 DAG size of output: 852 [2020-11-07 04:46:41,959 WARN L194 SmtUtils]: Spent 8.71 s on a formula simplification. DAG size of input: 1225 DAG size of output: 852 [2020-11-07 04:46:55,187 WARN L194 SmtUtils]: Spent 8.67 s on a formula simplification. DAG size of input: 1225 DAG size of output: 852 [2020-11-07 04:46:57,588 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:46:57,694 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:46:58,284 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:46:58,393 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:47:00,159 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:47:00,270 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:47:00,376 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:47:00,500 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:47:00,696 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:47:00,805 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:47:00,996 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:47:01,255 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:47:01,703 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:47:05,819 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 250 [2020-11-07 04:47:09,038 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-11-07 04:47:09,431 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:47:09,573 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 223 [2020-11-07 04:47:10,143 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2020-11-07 04:47:10,586 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 262 [2020-11-07 04:47:10,800 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:47:19,469 WARN L194 SmtUtils]: Spent 7.94 s on a formula simplification. DAG size of input: 1154 DAG size of output: 814 [2020-11-07 04:47:25,551 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 233 [2020-11-07 04:47:26,733 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 246 [2020-11-07 04:47:27,833 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 268 [2020-11-07 04:47:28,253 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-11-07 04:47:28,688 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-11-07 04:47:28,850 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 242 [2020-11-07 04:47:29,012 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 244 [2020-11-07 04:47:29,568 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 268 [2020-11-07 04:47:30,205 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 244 [2020-11-07 04:47:35,101 WARN L194 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 291 DAG size of output: 34 [2020-11-07 04:47:36,505 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 247 DAG size of output: 38 [2020-11-07 04:47:37,896 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 244 DAG size of output: 36 [2020-11-07 04:47:47,258 WARN L194 SmtUtils]: Spent 9.34 s on a formula simplification. DAG size of input: 550 DAG size of output: 38 [2020-11-07 04:47:48,696 WARN L194 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 239 DAG size of output: 31 [2020-11-07 04:47:49,921 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 241 DAG size of output: 33 [2020-11-07 04:47:51,400 WARN L194 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 243 DAG size of output: 34 [2020-11-07 04:47:53,514 WARN L194 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 342 DAG size of output: 55 [2020-11-07 04:47:55,133 WARN L194 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 351 DAG size of output: 47 [2020-11-07 04:47:56,604 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 243 DAG size of output: 34 [2020-11-07 04:47:57,999 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 244 DAG size of output: 36 [2020-11-07 04:47:59,614 WARN L194 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 245 DAG size of output: 36 [2020-11-07 04:48:09,792 WARN L194 SmtUtils]: Spent 10.09 s on a formula simplification. DAG size of input: 527 DAG size of output: 40 [2020-11-07 04:48:24,675 WARN L194 SmtUtils]: Spent 14.86 s on a formula simplification. DAG size of input: 650 DAG size of output: 36 [2020-11-07 04:48:25,387 WARN L194 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-11-07 04:48:26,102 WARN L194 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-11-07 04:48:42,136 WARN L194 SmtUtils]: Spent 16.03 s on a formula simplification. DAG size of input: 687 DAG size of output: 36 [2020-11-07 04:48:42,520 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 1 [2020-11-07 04:48:42,687 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-11-07 04:48:44,611 WARN L194 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 493 DAG size of output: 1 [2020-11-07 04:49:11,629 WARN L194 SmtUtils]: Spent 27.00 s on a formula simplification. DAG size of input: 885 DAG size of output: 39 [2020-11-07 04:49:12,514 WARN L194 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 21 [2020-11-07 04:49:13,209 WARN L194 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-11-07 04:49:15,429 WARN L194 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 318 DAG size of output: 44 [2020-11-07 04:49:20,607 WARN L194 SmtUtils]: Spent 5.15 s on a formula simplification. DAG size of input: 543 DAG size of output: 41 [2020-11-07 04:49:22,649 WARN L194 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 275 DAG size of output: 28 [2020-11-07 04:49:24,221 WARN L194 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 167 DAG size of output: 24 [2020-11-07 04:49:24,905 WARN L194 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 32 [2020-11-07 04:49:25,254 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-11-07 04:49:26,828 WARN L194 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 167 DAG size of output: 24 [2020-11-07 04:49:29,574 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 259 DAG size of output: 36 [2020-11-07 04:49:31,217 WARN L194 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 170 DAG size of output: 27 [2020-11-07 04:49:31,910 WARN L194 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-11-07 04:49:33,923 WARN L194 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 289 DAG size of output: 34 [2020-11-07 04:49:34,931 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 172 DAG size of output: 21 [2020-11-07 04:49:35,831 WARN L194 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 37 [2020-11-07 04:49:36,544 WARN L194 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 29 [2020-11-07 04:49:37,511 WARN L194 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 18 [2020-11-07 04:49:38,221 WARN L194 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 29 [2020-11-07 04:49:39,859 WARN L194 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 170 DAG size of output: 27 [2020-11-07 04:49:40,282 WARN L194 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-11-07 04:49:41,170 WARN L194 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 37 [2020-11-07 04:49:43,048 WARN L194 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 315 DAG size of output: 56 [2020-11-07 04:49:43,976 WARN L194 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 18 [2020-11-07 04:49:44,544 WARN L194 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 18 [2020-11-07 04:49:45,483 WARN L194 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 18 [2020-11-07 04:49:45,836 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-11-07 04:49:46,184 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-11-07 04:49:46,883 WARN L194 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 25 [2020-11-07 04:49:47,867 WARN L194 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 21 [2020-11-07 04:49:50,916 WARN L194 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 305 DAG size of output: 45 [2020-11-07 04:49:51,076 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-11-07 04:49:52,744 WARN L194 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 170 DAG size of output: 27 [2020-11-07 04:49:54,692 WARN L194 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 259 DAG size of output: 32 [2020-11-07 04:49:55,919 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 336 DAG size of output: 37 [2020-11-07 04:49:57,682 WARN L194 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 250 DAG size of output: 40 [2020-11-07 04:50:12,248 WARN L194 SmtUtils]: Spent 14.56 s on a formula simplification. DAG size of input: 626 DAG size of output: 36 [2020-11-07 04:50:12,867 WARN L194 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 31 [2020-11-07 04:50:13,670 WARN L194 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-11-07 04:50:14,871 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 311 DAG size of output: 26 [2020-11-07 04:50:16,785 WARN L194 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 262 DAG size of output: 24 [2020-11-07 04:50:17,501 WARN L194 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-11-07 04:50:18,200 WARN L194 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-11-07 04:50:19,687 WARN L194 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 245 DAG size of output: 37 [2020-11-07 04:50:19,894 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-11-07 04:50:20,992 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 269 DAG size of output: 41 [2020-11-07 04:50:21,718 WARN L194 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 25