/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_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 00:28:42,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 00:28:42,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 00:28:43,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 00:28:43,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 00:28:43,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 00:28:43,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 00:28:43,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 00:28:43,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 00:28:43,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 00:28:43,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 00:28:43,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 00:28:43,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 00:28:43,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 00:28:43,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 00:28:43,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 00:28:43,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 00:28:43,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 00:28:43,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 00:28:43,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 00:28:43,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 00:28:43,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 00:28:43,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 00:28:43,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 00:28:43,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 00:28:43,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 00:28:43,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 00:28:43,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 00:28:43,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 00:28:43,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 00:28:43,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 00:28:43,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 00:28:43,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 00:28:43,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 00:28:43,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 00:28:43,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 00:28:43,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 00:28:43,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 00:28:43,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 00:28:43,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 00:28:43,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 00:28:43,169 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 00:28:43,196 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 00:28:43,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 00:28:43,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 00:28:43,202 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 00:28:43,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 00:28:43,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 00:28:43,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 00:28:43,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 00:28:43,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 00:28:43,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 00:28:43,204 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 00:28:43,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 00:28:43,205 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 00:28:43,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 00:28:43,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 00:28:43,206 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 00:28:43,206 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 00:28:43,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 00:28:43,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:28:43,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 00:28:43,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 00:28:43,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 00:28:43,207 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 00:28:43,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 00:28:43,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 00:28:43,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 00:28:43,648 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 00:28:43,649 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 00:28:43,650 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-10-24 00:28:43,720 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4d90804d/2224dc1f4b26443183118d14909c1b1c/FLAGa53805076 [2020-10-24 00:28:44,387 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 00:28:44,388 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-10-24 00:28:44,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4d90804d/2224dc1f4b26443183118d14909c1b1c/FLAGa53805076 [2020-10-24 00:28:44,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4d90804d/2224dc1f4b26443183118d14909c1b1c [2020-10-24 00:28:44,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 00:28:44,765 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 00:28:44,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 00:28:44,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 00:28:44,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 00:28:44,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:28:44" (1/1) ... [2020-10-24 00:28:44,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6db551b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:28:44, skipping insertion in model container [2020-10-24 00:28:44,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:28:44" (1/1) ... [2020-10-24 00:28:44,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 00:28:44,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 00:28:45,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:28:45,301 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 00:28:45,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:28:45,542 INFO L208 MainTranslator]: Completed translation [2020-10-24 00:28:45,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:28:45 WrapperNode [2020-10-24 00:28:45,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 00:28:45,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 00:28:45,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 00:28:45,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 00:28:45,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:28:45" (1/1) ... [2020-10-24 00:28:45,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:28:45" (1/1) ... [2020-10-24 00:28:45,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:28:45" (1/1) ... [2020-10-24 00:28:45,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:28:45" (1/1) ... [2020-10-24 00:28:45,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:28:45" (1/1) ... [2020-10-24 00:28:45,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:28:45" (1/1) ... [2020-10-24 00:28:45,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:28:45" (1/1) ... [2020-10-24 00:28:45,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 00:28:45,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 00:28:45,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 00:28:45,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 00:28:45,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:28:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:28:45,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 00:28:45,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 00:28:45,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-24 00:28:45,752 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 00:28:45,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-24 00:28:45,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-24 00:28:45,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-24 00:28:45,753 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-24 00:28:45,753 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-24 00:28:45,753 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-24 00:28:45,754 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-24 00:28:45,754 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-24 00:28:45,754 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-24 00:28:45,754 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-24 00:28:45,754 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-24 00:28:45,754 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-24 00:28:45,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-24 00:28:45,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-24 00:28:45,755 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-24 00:28:45,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-24 00:28:45,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-24 00:28:45,756 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-24 00:28:45,756 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-24 00:28:45,756 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-24 00:28:45,756 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-24 00:28:45,756 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-24 00:28:45,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-24 00:28:45,757 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-24 00:28:45,757 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-24 00:28:45,757 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-24 00:28:45,757 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-24 00:28:45,757 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-24 00:28:45,758 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-24 00:28:45,758 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-24 00:28:45,758 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-24 00:28:45,758 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 00:28:45,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-24 00:28:45,758 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-24 00:28:45,758 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-24 00:28:45,759 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-24 00:28:45,759 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-24 00:28:45,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-24 00:28:45,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-24 00:28:45,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-24 00:28:45,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-24 00:28:45,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-24 00:28:45,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-24 00:28:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 00:28:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 00:28:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 00:28:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 00:28:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 00:28:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-24 00:28:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-24 00:28:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-24 00:28:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-24 00:28:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-24 00:28:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-24 00:28:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-24 00:28:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-24 00:28:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-24 00:28:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-24 00:28:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-24 00:28:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-24 00:28:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-24 00:28:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-24 00:28:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-24 00:28:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-24 00:28:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-24 00:28:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-24 00:28:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-24 00:28:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-24 00:28:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-24 00:28:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-24 00:28:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-24 00:28:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-24 00:28:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-24 00:28:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-24 00:28:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-24 00:28:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-24 00:28:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-24 00:28:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-24 00:28:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-24 00:28:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-24 00:28:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-24 00:28:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-24 00:28:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-24 00:28:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-24 00:28:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 00:28:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-24 00:28:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-24 00:28:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-24 00:28:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-24 00:28:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-24 00:28:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-24 00:28:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 00:28:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-24 00:28:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-24 00:28:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 00:28:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-24 00:28:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-24 00:28:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 00:28:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-24 00:28:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-24 00:28:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-24 00:28:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 00:28:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 00:28:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 00:28:47,148 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 00:28:47,148 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-24 00:28:47,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:28:47 BoogieIcfgContainer [2020-10-24 00:28:47,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 00:28:47,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 00:28:47,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 00:28:47,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 00:28:47,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:28:44" (1/3) ... [2020-10-24 00:28:47,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54935270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:28:47, skipping insertion in model container [2020-10-24 00:28:47,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:28:45" (2/3) ... [2020-10-24 00:28:47,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54935270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:28:47, skipping insertion in model container [2020-10-24 00:28:47,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:28:47" (3/3) ... [2020-10-24 00:28:47,160 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2020-10-24 00:28:47,172 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 00:28:47,178 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-24 00:28:47,192 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-24 00:28:47,215 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 00:28:47,215 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 00:28:47,215 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 00:28:47,215 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 00:28:47,215 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 00:28:47,216 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 00:28:47,216 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 00:28:47,216 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 00:28:47,241 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states. [2020-10-24 00:28:47,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-24 00:28:47,263 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:28:47,264 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:28:47,265 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:28:47,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:28:47,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1877684283, now seen corresponding path program 1 times [2020-10-24 00:28:47,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:28:47,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1694153221] [2020-10-24 00:28:47,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:28:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,171 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:28:48,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:28:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:28:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:28:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:28:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:28:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-24 00:28:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-24 00:28:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-24 00:28:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,348 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:28:48,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1694153221] [2020-10-24 00:28:48,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:28:48,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-24 00:28:48,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328575990] [2020-10-24 00:28:48,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-24 00:28:48,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:28:48,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-24 00:28:48,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-24 00:28:48,374 INFO L87 Difference]: Start difference. First operand 378 states. Second operand 4 states. [2020-10-24 00:28:50,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:28:50,389 INFO L93 Difference]: Finished difference Result 614 states and 722 transitions. [2020-10-24 00:28:50,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-24 00:28:50,393 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-10-24 00:28:50,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:28:50,415 INFO L225 Difference]: With dead ends: 614 [2020-10-24 00:28:50,415 INFO L226 Difference]: Without dead ends: 377 [2020-10-24 00:28:50,422 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 [2020-10-24 00:28:50,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-10-24 00:28:50,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 324. [2020-10-24 00:28:50,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-10-24 00:28:50,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 356 transitions. [2020-10-24 00:28:50,626 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 356 transitions. Word has length 166 [2020-10-24 00:28:50,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:28:50,627 INFO L481 AbstractCegarLoop]: Abstraction has 324 states and 356 transitions. [2020-10-24 00:28:50,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-24 00:28:50,627 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 356 transitions. [2020-10-24 00:28:50,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-24 00:28:50,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:28:50,634 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:28:50,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 00:28:50,634 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:28:50,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:28:50,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1065144367, now seen corresponding path program 1 times [2020-10-24 00:28:50,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:28:50,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1883610730] [2020-10-24 00:28:50,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:28:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:51,096 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:28:51,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:51,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:28:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:51,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:28:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:51,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:28:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:51,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:28:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:51,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:28:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:51,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:28:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:51,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:51,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:28:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:51,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:28:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:51,207 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:28:51,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1883610730] [2020-10-24 00:28:51,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:28:51,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-24 00:28:51,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651921232] [2020-10-24 00:28:51,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 00:28:51,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:28:51,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 00:28:51,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 00:28:51,211 INFO L87 Difference]: Start difference. First operand 324 states and 356 transitions. Second operand 5 states. [2020-10-24 00:28:52,039 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:28:53,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:28:53,810 INFO L93 Difference]: Finished difference Result 530 states and 602 transitions. [2020-10-24 00:28:53,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 00:28:53,812 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-10-24 00:28:53,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:28:53,820 INFO L225 Difference]: With dead ends: 530 [2020-10-24 00:28:53,820 INFO L226 Difference]: Without dead ends: 366 [2020-10-24 00:28:53,823 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-24 00:28:53,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2020-10-24 00:28:53,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 314. [2020-10-24 00:28:53,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states. [2020-10-24 00:28:53,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 343 transitions. [2020-10-24 00:28:53,952 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 343 transitions. Word has length 167 [2020-10-24 00:28:53,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:28:53,952 INFO L481 AbstractCegarLoop]: Abstraction has 314 states and 343 transitions. [2020-10-24 00:28:53,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 00:28:53,953 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 343 transitions. [2020-10-24 00:28:53,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-24 00:28:53,956 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:28:53,956 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:28:53,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 00:28:53,957 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:28:53,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:28:53,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1338232097, now seen corresponding path program 1 times [2020-10-24 00:28:53,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:28:53,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [879910350] [2020-10-24 00:28:53,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:28:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:54,439 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:28:54,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:54,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:28:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:54,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:28:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:54,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:28:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:54,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:28:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:54,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:28:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:54,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:28:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:54,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:28:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:54,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:54,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-24 00:28:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:54,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-24 00:28:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:54,638 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:28:54,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [879910350] [2020-10-24 00:28:54,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:28:54,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-24 00:28:54,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667275314] [2020-10-24 00:28:54,641 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 00:28:54,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:28:54,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 00:28:54,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:28:54,642 INFO L87 Difference]: Start difference. First operand 314 states and 343 transitions. Second operand 11 states. [2020-10-24 00:28:55,409 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:28:55,869 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:28:56,316 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:28:56,734 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:28:57,139 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:28:57,580 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:28:59,064 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:29:02,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:29:02,953 INFO L93 Difference]: Finished difference Result 878 states and 1023 transitions. [2020-10-24 00:29:02,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-24 00:29:02,955 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 180 [2020-10-24 00:29:02,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:29:02,963 INFO L225 Difference]: With dead ends: 878 [2020-10-24 00:29:02,964 INFO L226 Difference]: Without dead ends: 684 [2020-10-24 00:29:02,966 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-10-24 00:29:02,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2020-10-24 00:29:03,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 575. [2020-10-24 00:29:03,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2020-10-24 00:29:03,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 649 transitions. [2020-10-24 00:29:03,256 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 649 transitions. Word has length 180 [2020-10-24 00:29:03,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:29:03,258 INFO L481 AbstractCegarLoop]: Abstraction has 575 states and 649 transitions. [2020-10-24 00:29:03,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 00:29:03,258 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 649 transitions. [2020-10-24 00:29:03,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-24 00:29:03,263 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:29:03,264 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:29:03,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 00:29:03,264 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:29:03,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:29:03,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1078667143, now seen corresponding path program 1 times [2020-10-24 00:29:03,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:29:03,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1554997315] [2020-10-24 00:29:03,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:29:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:03,743 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:29:03,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:03,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:29:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:03,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:29:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:03,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:29:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:03,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:29:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:03,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:29:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:03,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-24 00:29:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:03,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-24 00:29:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:03,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:03,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-24 00:29:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:03,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-24 00:29:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:03,920 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-24 00:29:03,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1554997315] [2020-10-24 00:29:03,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:29:03,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 00:29:03,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695581449] [2020-10-24 00:29:03,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:29:03,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:29:03,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:29:03,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:29:03,924 INFO L87 Difference]: Start difference. First operand 575 states and 649 transitions. Second operand 10 states. [2020-10-24 00:29:04,571 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:29:05,712 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:29:06,107 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:29:07,712 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:29:08,133 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:29:08,511 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:29:09,025 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:29:09,411 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:29:09,824 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:29:11,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:29:11,328 INFO L93 Difference]: Finished difference Result 1341 states and 1602 transitions. [2020-10-24 00:29:11,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-24 00:29:11,329 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 185 [2020-10-24 00:29:11,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:29:11,336 INFO L225 Difference]: With dead ends: 1341 [2020-10-24 00:29:11,337 INFO L226 Difference]: Without dead ends: 886 [2020-10-24 00:29:11,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-10-24 00:29:11,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2020-10-24 00:29:11,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 793. [2020-10-24 00:29:11,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2020-10-24 00:29:11,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 891 transitions. [2020-10-24 00:29:11,635 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 891 transitions. Word has length 185 [2020-10-24 00:29:11,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:29:11,636 INFO L481 AbstractCegarLoop]: Abstraction has 793 states and 891 transitions. [2020-10-24 00:29:11,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:29:11,636 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 891 transitions. [2020-10-24 00:29:11,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-24 00:29:11,641 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:29:11,642 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:29:11,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 00:29:11,642 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:29:11,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:29:11,643 INFO L82 PathProgramCache]: Analyzing trace with hash 792825267, now seen corresponding path program 1 times [2020-10-24 00:29:11,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:29:11,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1256147374] [2020-10-24 00:29:11,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:29:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:12,042 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:29:12,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:12,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:29:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:12,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:29:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:12,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:29:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:12,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:29:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:12,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:29:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:12,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:29:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:12,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:29:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:12,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:12,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:29:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:12,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:12,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:12,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:12,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:12,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:29:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:12,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:12,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:12,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:29:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:12,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-24 00:29:12,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:12,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:29:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:12,346 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:29:12,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1256147374] [2020-10-24 00:29:12,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:29:12,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-24 00:29:12,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261034633] [2020-10-24 00:29:12,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 00:29:12,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:29:12,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 00:29:12,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:29:12,350 INFO L87 Difference]: Start difference. First operand 793 states and 891 transitions. Second operand 11 states. [2020-10-24 00:29:14,289 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:29:14,686 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:29:15,111 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:29:15,531 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:29:15,963 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:29:16,351 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:29:18,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:29:18,564 INFO L93 Difference]: Finished difference Result 1678 states and 2023 transitions. [2020-10-24 00:29:18,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-24 00:29:18,565 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 245 [2020-10-24 00:29:18,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:29:18,572 INFO L225 Difference]: With dead ends: 1678 [2020-10-24 00:29:18,572 INFO L226 Difference]: Without dead ends: 1005 [2020-10-24 00:29:18,575 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-10-24 00:29:18,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2020-10-24 00:29:18,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 812. [2020-10-24 00:29:18,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 812 states. [2020-10-24 00:29:18,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 911 transitions. [2020-10-24 00:29:18,864 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 911 transitions. Word has length 245 [2020-10-24 00:29:18,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:29:18,865 INFO L481 AbstractCegarLoop]: Abstraction has 812 states and 911 transitions. [2020-10-24 00:29:18,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 00:29:18,868 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 911 transitions. [2020-10-24 00:29:18,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-24 00:29:18,880 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:29:18,880 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:29:18,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 00:29:18,881 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:29:18,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:29:18,882 INFO L82 PathProgramCache]: Analyzing trace with hash -662687405, now seen corresponding path program 1 times [2020-10-24 00:29:18,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:29:18,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1056409476] [2020-10-24 00:29:18,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:29:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:19,313 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:29:19,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:19,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:29:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:19,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:29:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:19,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:29:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:19,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:29:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:19,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:29:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:19,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:29:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:19,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:29:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:19,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:19,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:29:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:19,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:19,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:19,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:19,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:19,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:29:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:19,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:19,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:19,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:29:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:19,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-24 00:29:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:19,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:29:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:19,636 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:29:19,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1056409476] [2020-10-24 00:29:19,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:29:19,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-24 00:29:19,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176206088] [2020-10-24 00:29:19,637 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 00:29:19,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:29:19,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 00:29:19,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-24 00:29:19,639 INFO L87 Difference]: Start difference. First operand 812 states and 911 transitions. Second operand 14 states. [2020-10-24 00:29:20,442 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:29:20,877 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:29:21,266 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:29:21,647 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:29:22,006 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:29:23,484 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:29:23,871 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:29:24,302 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:29:24,753 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:29:25,143 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:29:27,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:29:27,354 INFO L93 Difference]: Finished difference Result 1715 states and 2061 transitions. [2020-10-24 00:29:27,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-24 00:29:27,355 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 245 [2020-10-24 00:29:27,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:29:27,361 INFO L225 Difference]: With dead ends: 1715 [2020-10-24 00:29:27,362 INFO L226 Difference]: Without dead ends: 1023 [2020-10-24 00:29:27,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-10-24 00:29:27,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2020-10-24 00:29:27,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 824. [2020-10-24 00:29:27,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 824 states. [2020-10-24 00:29:27,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 923 transitions. [2020-10-24 00:29:27,697 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 923 transitions. Word has length 245 [2020-10-24 00:29:27,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:29:27,697 INFO L481 AbstractCegarLoop]: Abstraction has 824 states and 923 transitions. [2020-10-24 00:29:27,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 00:29:27,698 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 923 transitions. [2020-10-24 00:29:27,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-24 00:29:27,701 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:29:27,701 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:29:27,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 00:29:27,702 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:29:27,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:29:27,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1010545974, now seen corresponding path program 1 times [2020-10-24 00:29:27,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:29:27,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [966422623] [2020-10-24 00:29:27,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:29:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:28,106 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:29:28,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:28,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:29:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:28,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:29:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:28,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:29:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:28,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:29:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:28,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:29:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:28,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:29:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:28,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:29:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:28,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:28,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:29:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:28,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:28,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:28,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:28,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:28,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:29:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:28,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:28,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:28,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:29:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:28,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-24 00:29:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:28,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:29:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:28,445 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:29:28,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [966422623] [2020-10-24 00:29:28,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:29:28,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-24 00:29:28,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286731931] [2020-10-24 00:29:28,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 00:29:28,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:29:28,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 00:29:28,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-24 00:29:28,448 INFO L87 Difference]: Start difference. First operand 824 states and 923 transitions. Second operand 8 states. [2020-10-24 00:29:29,103 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:29:29,892 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:29:34,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:29:34,574 INFO L93 Difference]: Finished difference Result 2505 states and 3046 transitions. [2020-10-24 00:29:34,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-24 00:29:34,575 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 245 [2020-10-24 00:29:34,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:29:34,586 INFO L225 Difference]: With dead ends: 2505 [2020-10-24 00:29:34,586 INFO L226 Difference]: Without dead ends: 1801 [2020-10-24 00:29:34,590 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 52 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-10-24 00:29:34,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2020-10-24 00:29:35,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 1532. [2020-10-24 00:29:35,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1532 states. [2020-10-24 00:29:35,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1746 transitions. [2020-10-24 00:29:35,160 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1746 transitions. Word has length 245 [2020-10-24 00:29:35,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:29:35,160 INFO L481 AbstractCegarLoop]: Abstraction has 1532 states and 1746 transitions. [2020-10-24 00:29:35,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 00:29:35,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1746 transitions. [2020-10-24 00:29:35,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-10-24 00:29:35,164 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:29:35,164 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:29:35,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 00:29:35,165 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:29:35,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:29:35,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1516826437, now seen corresponding path program 1 times [2020-10-24 00:29:35,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:29:35,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1535560635] [2020-10-24 00:29:35,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:29:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:35,712 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:29:35,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:35,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:29:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:35,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:29:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:35,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:29:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:35,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:29:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:35,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:29:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:35,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:29:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:35,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:29:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:35,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-24 00:29:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:35,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:35,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-24 00:29:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:35,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:35,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:35,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:35,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:35,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:29:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:35,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:35,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:35,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:29:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:35,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-24 00:29:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:36,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-24 00:29:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:36,080 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:29:36,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1535560635] [2020-10-24 00:29:36,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:29:36,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-24 00:29:36,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977477553] [2020-10-24 00:29:36,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-24 00:29:36,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:29:36,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-24 00:29:36,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-24 00:29:36,083 INFO L87 Difference]: Start difference. First operand 1532 states and 1746 transitions. Second operand 15 states. [2020-10-24 00:29:37,140 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-24 00:29:38,168 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:29:39,862 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-10-24 00:29:40,686 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-24 00:29:41,195 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:29:41,620 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:29:42,414 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-24 00:29:42,831 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:29:43,298 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:29:43,684 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:29:48,669 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-24 00:29:49,401 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:29:49,786 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:29:50,413 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:29:52,391 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-10-24 00:29:53,207 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-10-24 00:29:53,979 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-10-24 00:29:55,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:29:55,390 INFO L93 Difference]: Finished difference Result 4726 states and 5779 transitions. [2020-10-24 00:29:55,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-24 00:29:55,391 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 250 [2020-10-24 00:29:55,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:29:55,412 INFO L225 Difference]: With dead ends: 4726 [2020-10-24 00:29:55,413 INFO L226 Difference]: Without dead ends: 3605 [2020-10-24 00:29:55,420 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=816, Invalid=3216, Unknown=0, NotChecked=0, Total=4032 [2020-10-24 00:29:55,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3605 states. [2020-10-24 00:29:57,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3605 to 2887. [2020-10-24 00:29:57,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2887 states. [2020-10-24 00:29:57,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 2887 states and 3267 transitions. [2020-10-24 00:29:57,060 INFO L78 Accepts]: Start accepts. Automaton has 2887 states and 3267 transitions. Word has length 250 [2020-10-24 00:29:57,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:29:57,063 INFO L481 AbstractCegarLoop]: Abstraction has 2887 states and 3267 transitions. [2020-10-24 00:29:57,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-24 00:29:57,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2887 states and 3267 transitions. [2020-10-24 00:29:57,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2020-10-24 00:29:57,069 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:29:57,070 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:29:57,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 00:29:57,070 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:29:57,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:29:57,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1720759075, now seen corresponding path program 1 times [2020-10-24 00:29:57,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:29:57,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2043827004] [2020-10-24 00:29:57,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:29:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,514 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:29:57,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:29:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:29:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:29:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:29:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:29:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:29:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:29:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:29:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:29:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:29:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:29:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-24 00:29:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-24 00:29:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-10-24 00:29:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-10-24 00:29:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:57,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2020-10-24 00:29:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:58,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:58,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:58,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:29:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:58,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:58,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:58,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:29:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:58,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:58,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-10-24 00:29:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:58,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-10-24 00:29:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:58,325 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 34 proven. 11 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-10-24 00:29:58,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2043827004] [2020-10-24 00:29:58,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:29:58,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:29:58,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698625152] [2020-10-24 00:29:58,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:29:58,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:29:58,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:29:58,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:29:58,333 INFO L87 Difference]: Start difference. First operand 2887 states and 3267 transitions. Second operand 19 states. [2020-10-24 00:29:59,245 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:29:59,794 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:30:00,224 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-24 00:30:00,703 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:30:01,133 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:30:01,554 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:30:02,858 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-24 00:30:03,453 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:30:04,010 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:30:04,444 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:30:05,030 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:30:05,555 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-24 00:30:06,059 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:30:08,962 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:30:10,840 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:30:11,621 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:30:12,459 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-24 00:30:13,031 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:30:14,039 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:30:14,820 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-24 00:30:15,302 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-24 00:30:16,659 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-24 00:30:17,442 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:30:18,194 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-10-24 00:30:19,012 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-10-24 00:30:20,690 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-10-24 00:30:23,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:30:23,279 INFO L93 Difference]: Finished difference Result 6449 states and 7579 transitions. [2020-10-24 00:30:23,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-10-24 00:30:23,285 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 364 [2020-10-24 00:30:23,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:30:23,308 INFO L225 Difference]: With dead ends: 6449 [2020-10-24 00:30:23,308 INFO L226 Difference]: Without dead ends: 3958 [2020-10-24 00:30:23,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2509 ImplicationChecksByTransitivity, 15.0s TimeCoverageRelationStatistics Valid=1475, Invalid=6535, Unknown=0, NotChecked=0, Total=8010 [2020-10-24 00:30:23,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3958 states. [2020-10-24 00:30:24,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3958 to 3307. [2020-10-24 00:30:24,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3307 states. [2020-10-24 00:30:24,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 3307 states and 3672 transitions. [2020-10-24 00:30:24,727 INFO L78 Accepts]: Start accepts. Automaton has 3307 states and 3672 transitions. Word has length 364 [2020-10-24 00:30:24,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:30:24,728 INFO L481 AbstractCegarLoop]: Abstraction has 3307 states and 3672 transitions. [2020-10-24 00:30:24,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:30:24,728 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 3672 transitions. [2020-10-24 00:30:24,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2020-10-24 00:30:24,741 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:30:24,742 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:30:24,742 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 00:30:24,742 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:30:24,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:30:24,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1008940386, now seen corresponding path program 1 times [2020-10-24 00:30:24,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:30:24,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1724761879] [2020-10-24 00:30:24,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:30:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,170 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:30:25,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:30:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:30:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:30:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:30:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:30:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:30:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:30:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:30:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:30:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:30:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:30:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:30:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:30:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:30:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:30:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:30:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:30:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-24 00:30:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-24 00:30:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-10-24 00:30:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:30:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:30:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:30:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:30:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:30:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:30:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:30:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:30:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:30:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2020-10-24 00:30:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-10-24 00:30:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:30:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:30:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:30:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:30:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:30:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:30:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:30:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-10-24 00:30:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-10-24 00:30:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2020-10-24 00:30:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:30:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:30:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:30:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:25,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-10-24 00:30:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-10-24 00:30:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:30:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2020-10-24 00:30:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:30:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:30:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:30:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:30:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:30:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2020-10-24 00:30:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:25,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2020-10-24 00:30:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:26,110 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 173 proven. 14 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2020-10-24 00:30:26,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1724761879] [2020-10-24 00:30:26,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:30:26,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:30:26,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165441251] [2020-10-24 00:30:26,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:30:26,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:30:26,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:30:26,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:30:26,113 INFO L87 Difference]: Start difference. First operand 3307 states and 3672 transitions. Second operand 18 states. [2020-10-24 00:30:26,860 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:30:28,331 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:30:31,759 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:30:32,245 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:30:32,776 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:30:33,240 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:30:33,648 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:30:34,061 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:30:34,457 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:30:34,879 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:30:35,286 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:30:35,748 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:30:36,156 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:30:36,589 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:30:38,905 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:30:39,699 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-24 00:30:40,435 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-24 00:30:40,908 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:30:41,354 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:30:41,767 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-24 00:30:45,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:30:45,870 INFO L93 Difference]: Finished difference Result 10385 states and 11972 transitions. [2020-10-24 00:30:45,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-10-24 00:30:45,871 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 620 [2020-10-24 00:30:45,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:30:45,913 INFO L225 Difference]: With dead ends: 10385 [2020-10-24 00:30:45,913 INFO L226 Difference]: Without dead ends: 7211 [2020-10-24 00:30:45,926 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 152 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1231 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=870, Invalid=3552, Unknown=0, NotChecked=0, Total=4422 [2020-10-24 00:30:45,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7211 states. [2020-10-24 00:30:48,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7211 to 6405. [2020-10-24 00:30:48,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6405 states. [2020-10-24 00:30:48,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6405 states to 6405 states and 7058 transitions. [2020-10-24 00:30:48,589 INFO L78 Accepts]: Start accepts. Automaton has 6405 states and 7058 transitions. Word has length 620 [2020-10-24 00:30:48,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:30:48,591 INFO L481 AbstractCegarLoop]: Abstraction has 6405 states and 7058 transitions. [2020-10-24 00:30:48,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:30:48,591 INFO L276 IsEmpty]: Start isEmpty. Operand 6405 states and 7058 transitions. [2020-10-24 00:30:48,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2020-10-24 00:30:48,613 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:30:48,614 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-24 00:30:48,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-24 00:30:48,614 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:30:48,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:30:48,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1678360510, now seen corresponding path program 1 times [2020-10-24 00:30:48,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:30:48,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [509316263] [2020-10-24 00:30:48,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:30:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,059 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:30:49,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:30:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:30:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:30:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:30:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:30:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:30:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:30:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:30:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-24 00:30:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-24 00:30:49,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:30:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:30:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:30:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:30:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:30:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:30:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:30:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:30:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-24 00:30:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-10-24 00:30:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2020-10-24 00:30:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:30:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:30:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:30:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:30:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:30:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:30:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:30:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:30:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:30:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2020-10-24 00:30:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2020-10-24 00:30:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:30:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:30:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:30:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:30:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:30:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:30:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:30:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-10-24 00:30:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2020-10-24 00:30:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:30:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:30:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:30:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-10-24 00:30:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2020-10-24 00:30:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:30:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:49,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2020-10-24 00:30:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:50,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:50,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:50,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:30:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:50,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:30:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:50,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:30:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:50,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:30:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:50,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:30:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:50,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:30:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:50,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-10-24 00:30:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:50,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2020-10-24 00:30:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:30:50,307 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 110 proven. 57 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2020-10-24 00:30:50,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [509316263] [2020-10-24 00:30:50,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:30:50,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-24 00:30:50,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029496337] [2020-10-24 00:30:50,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-24 00:30:50,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:30:50,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-24 00:30:50,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2020-10-24 00:30:50,310 INFO L87 Difference]: Start difference. First operand 6405 states and 7058 transitions. Second operand 24 states. [2020-10-24 00:30:51,116 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:30:51,685 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:30:52,176 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:30:52,602 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:30:53,036 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:30:53,444 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:30:54,743 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:30:58,742 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:30:59,223 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:30:59,781 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:31:00,225 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:31:00,650 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:31:01,081 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:31:01,497 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:31:01,941 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:31:02,437 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:31:02,931 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:31:03,358 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:31:03,810 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:31:04,627 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:31:05,572 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:31:06,368 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:31:14,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:31:14,396 INFO L93 Difference]: Finished difference Result 13700 states and 15811 transitions. [2020-10-24 00:31:14,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-10-24 00:31:14,397 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 621 [2020-10-24 00:31:14,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:31:14,442 INFO L225 Difference]: With dead ends: 13700 [2020-10-24 00:31:14,442 INFO L226 Difference]: Without dead ends: 8016 [2020-10-24 00:31:14,459 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 157 SyntacticMatches, 4 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2113 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=1317, Invalid=5823, Unknown=0, NotChecked=0, Total=7140 [2020-10-24 00:31:14,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8016 states. [2020-10-24 00:31:17,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8016 to 6175. [2020-10-24 00:31:17,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6175 states. [2020-10-24 00:31:17,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6175 states to 6175 states and 6773 transitions. [2020-10-24 00:31:17,158 INFO L78 Accepts]: Start accepts. Automaton has 6175 states and 6773 transitions. Word has length 621 [2020-10-24 00:31:17,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:31:17,158 INFO L481 AbstractCegarLoop]: Abstraction has 6175 states and 6773 transitions. [2020-10-24 00:31:17,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-24 00:31:17,159 INFO L276 IsEmpty]: Start isEmpty. Operand 6175 states and 6773 transitions. [2020-10-24 00:31:17,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2020-10-24 00:31:17,179 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:31:17,179 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:31:17,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-24 00:31:17,180 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:31:17,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:31:17,180 INFO L82 PathProgramCache]: Analyzing trace with hash -619225695, now seen corresponding path program 1 times [2020-10-24 00:31:17,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:31:17,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2097360] [2020-10-24 00:31:17,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:31:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,617 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:31:17,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:31:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:31:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:31:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:31:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:31:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:31:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:31:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:31:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:31:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:31:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:31:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:31:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:31:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:31:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:31:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:31:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:31:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-24 00:31:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-24 00:31:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-10-24 00:31:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2020-10-24 00:31:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:31:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:31:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:31:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:17,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:31:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:31:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:31:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:31:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:31:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:31:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2020-10-24 00:31:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2020-10-24 00:31:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:31:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:31:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:31:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:31:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:31:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:31:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:31:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-10-24 00:31:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-10-24 00:31:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2020-10-24 00:31:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2020-10-24 00:31:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:31:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2020-10-24 00:31:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:31:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:31:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:31:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:31:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:31:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2020-10-24 00:31:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2020-10-24 00:31:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:18,712 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 122 proven. 31 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2020-10-24 00:31:18,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2097360] [2020-10-24 00:31:18,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:31:18,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-24 00:31:18,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174051380] [2020-10-24 00:31:18,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-24 00:31:18,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:31:18,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-24 00:31:18,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-10-24 00:31:18,715 INFO L87 Difference]: Start difference. First operand 6175 states and 6773 transitions. Second operand 23 states. [2020-10-24 00:31:19,475 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:31:20,011 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:31:20,430 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:31:20,839 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:31:21,246 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:31:21,625 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:31:22,863 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:31:26,787 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:31:27,277 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:31:27,854 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:31:28,308 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:31:28,739 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:31:29,173 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:31:29,593 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:31:30,135 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:31:30,590 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:31:31,107 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:31:31,552 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:31:32,017 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:31:35,068 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:31:35,959 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:31:36,724 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:31:41,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:31:41,207 INFO L93 Difference]: Finished difference Result 12894 states and 14844 transitions. [2020-10-24 00:31:41,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-10-24 00:31:41,208 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 575 [2020-10-24 00:31:41,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:31:41,248 INFO L225 Difference]: With dead ends: 12894 [2020-10-24 00:31:41,248 INFO L226 Difference]: Without dead ends: 7440 [2020-10-24 00:31:41,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 156 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2106 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=1293, Invalid=5847, Unknown=0, NotChecked=0, Total=7140 [2020-10-24 00:31:41,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7440 states. [2020-10-24 00:31:43,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7440 to 5625. [2020-10-24 00:31:43,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5625 states. [2020-10-24 00:31:43,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5625 states to 5625 states and 6163 transitions. [2020-10-24 00:31:43,898 INFO L78 Accepts]: Start accepts. Automaton has 5625 states and 6163 transitions. Word has length 575 [2020-10-24 00:31:43,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:31:43,899 INFO L481 AbstractCegarLoop]: Abstraction has 5625 states and 6163 transitions. [2020-10-24 00:31:43,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-24 00:31:43,899 INFO L276 IsEmpty]: Start isEmpty. Operand 5625 states and 6163 transitions. [2020-10-24 00:31:43,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2020-10-24 00:31:43,917 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:31:43,917 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:31:43,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-24 00:31:43,918 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:31:43,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:31:43,918 INFO L82 PathProgramCache]: Analyzing trace with hash -537168898, now seen corresponding path program 1 times [2020-10-24 00:31:43,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:31:43,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1712986876] [2020-10-24 00:31:43,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:31:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,366 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:31:44,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:31:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:31:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:31:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:31:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:31:44,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:31:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:31:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:31:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:31:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:31:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:31:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:31:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:31:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:31:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:31:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:31:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:31:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-24 00:31:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-24 00:31:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-10-24 00:31:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:31:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:31:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:31:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:31:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:31:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:31:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:31:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:31:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:31:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2020-10-24 00:31:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2020-10-24 00:31:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2020-10-24 00:31:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:31:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:31:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:31:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:31:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:31:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:31:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:31:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-10-24 00:31:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-10-24 00:31:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2020-10-24 00:31:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2020-10-24 00:31:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:31:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:31:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:31:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-10-24 00:31:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2020-10-24 00:31:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:31:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2020-10-24 00:31:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:31:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:31:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:31:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:31:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:31:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:31:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2020-10-24 00:31:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:44,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2020-10-24 00:31:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:31:45,231 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 144 proven. 8 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2020-10-24 00:31:45,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1712986876] [2020-10-24 00:31:45,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:31:45,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-24 00:31:45,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578995487] [2020-10-24 00:31:45,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-24 00:31:45,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:31:45,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-24 00:31:45,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:31:45,235 INFO L87 Difference]: Start difference. First operand 5625 states and 6163 transitions. Second operand 17 states. [2020-10-24 00:31:47,588 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:31:47,989 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:31:48,421 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:31:48,883 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-24 00:31:49,295 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:31:49,685 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:31:50,431 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:31:52,316 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:31:52,783 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:31:53,336 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:31:53,818 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:32:02,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:32:02,499 INFO L93 Difference]: Finished difference Result 18109 states and 21703 transitions. [2020-10-24 00:32:02,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-10-24 00:32:02,499 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 630 [2020-10-24 00:32:02,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:32:02,551 INFO L225 Difference]: With dead ends: 18109 [2020-10-24 00:32:02,552 INFO L226 Difference]: Without dead ends: 11327 [2020-10-24 00:32:02,573 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 163 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=918, Invalid=2864, Unknown=0, NotChecked=0, Total=3782 [2020-10-24 00:32:02,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11327 states. [2020-10-24 00:32:05,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11327 to 6891. [2020-10-24 00:32:05,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6891 states. [2020-10-24 00:32:05,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6891 states to 6891 states and 7595 transitions. [2020-10-24 00:32:05,660 INFO L78 Accepts]: Start accepts. Automaton has 6891 states and 7595 transitions. Word has length 630 [2020-10-24 00:32:05,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:32:05,661 INFO L481 AbstractCegarLoop]: Abstraction has 6891 states and 7595 transitions. [2020-10-24 00:32:05,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-24 00:32:05,662 INFO L276 IsEmpty]: Start isEmpty. Operand 6891 states and 7595 transitions. [2020-10-24 00:32:05,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2020-10-24 00:32:05,679 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:32:05,680 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:32:05,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-24 00:32:05,680 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:32:05,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:32:05,681 INFO L82 PathProgramCache]: Analyzing trace with hash 387558350, now seen corresponding path program 1 times [2020-10-24 00:32:05,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:32:05,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2114999244] [2020-10-24 00:32:05,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:32:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,095 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:32:06,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:32:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:32:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:32:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:32:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:32:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:32:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:32:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:32:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:32:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:32:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:32:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:32:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:32:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:32:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-24 00:32:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-24 00:32:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-10-24 00:32:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:32:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:32:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:32:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:32:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:32:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:32:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:32:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2020-10-24 00:32:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2020-10-24 00:32:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2020-10-24 00:32:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:32:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:32:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:32:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:32:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:32:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:32:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2020-10-24 00:32:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-10-24 00:32:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2020-10-24 00:32:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2020-10-24 00:32:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:32:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:32:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:32:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:32:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:32:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2020-10-24 00:32:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2020-10-24 00:32:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:06,864 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 129 proven. 38 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2020-10-24 00:32:06,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2114999244] [2020-10-24 00:32:06,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:32:06,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:32:06,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247894182] [2020-10-24 00:32:06,866 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:32:06,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:32:06,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:32:06,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:32:06,867 INFO L87 Difference]: Start difference. First operand 6891 states and 7595 transitions. Second operand 18 states. [2020-10-24 00:32:09,559 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:32:09,996 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:32:10,445 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:32:10,897 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:32:11,318 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:32:11,847 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:32:14,016 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:32:14,442 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:32:22,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:32:22,792 INFO L93 Difference]: Finished difference Result 14451 states and 17008 transitions. [2020-10-24 00:32:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-24 00:32:22,793 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 581 [2020-10-24 00:32:22,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:32:22,830 INFO L225 Difference]: With dead ends: 14451 [2020-10-24 00:32:22,830 INFO L226 Difference]: Without dead ends: 10365 [2020-10-24 00:32:22,848 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 152 SyntacticMatches, 6 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1155 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=823, Invalid=3083, Unknown=0, NotChecked=0, Total=3906 [2020-10-24 00:32:22,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10365 states. [2020-10-24 00:32:26,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10365 to 6927. [2020-10-24 00:32:26,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6927 states. [2020-10-24 00:32:26,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6927 states to 6927 states and 7639 transitions. [2020-10-24 00:32:26,054 INFO L78 Accepts]: Start accepts. Automaton has 6927 states and 7639 transitions. Word has length 581 [2020-10-24 00:32:26,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:32:26,055 INFO L481 AbstractCegarLoop]: Abstraction has 6927 states and 7639 transitions. [2020-10-24 00:32:26,055 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:32:26,055 INFO L276 IsEmpty]: Start isEmpty. Operand 6927 states and 7639 transitions. [2020-10-24 00:32:26,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2020-10-24 00:32:26,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:32:26,075 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:32:26,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-24 00:32:26,075 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:32:26,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:32:26,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1731583118, now seen corresponding path program 2 times [2020-10-24 00:32:26,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:32:26,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1859285965] [2020-10-24 00:32:26,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:32:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,510 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:32:26,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:32:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:32:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:32:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:32:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:32:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:32:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:32:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:32:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:32:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:32:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:32:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:32:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:32:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:32:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-24 00:32:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-24 00:32:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-10-24 00:32:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:32:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:32:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:32:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:32:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:32:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:32:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:32:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:32:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2020-10-24 00:32:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2020-10-24 00:32:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2020-10-24 00:32:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:32:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:32:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:32:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:32:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:32:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:32:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:32:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2020-10-24 00:32:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2020-10-24 00:32:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2020-10-24 00:32:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:32:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:32:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:32:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:32:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:32:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:32:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2020-10-24 00:32:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2020-10-24 00:32:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2020-10-24 00:32:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 618 [2020-10-24 00:32:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:32:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:32:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:32:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:32:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:26,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:32:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:27,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2020-10-24 00:32:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:27,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 696 [2020-10-24 00:32:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:27,544 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 183 proven. 81 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2020-10-24 00:32:27,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1859285965] [2020-10-24 00:32:27,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:32:27,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-24 00:32:27,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955851975] [2020-10-24 00:32:27,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-24 00:32:27,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:32:27,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-24 00:32:27,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2020-10-24 00:32:27,546 INFO L87 Difference]: Start difference. First operand 6927 states and 7639 transitions. Second operand 20 states. [2020-10-24 00:32:28,343 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:32:28,857 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:32:29,260 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:32:29,662 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:32:30,058 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:32:30,446 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:32:31,875 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:32:32,304 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:32:34,858 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:32:35,312 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:32:35,788 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:32:36,530 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:32:38,648 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:32:39,054 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:32:41,389 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:32:41,813 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:32:42,219 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:32:47,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:32:47,550 INFO L93 Difference]: Finished difference Result 15292 states and 17768 transitions. [2020-10-24 00:32:47,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-24 00:32:47,550 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 710 [2020-10-24 00:32:47,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:32:47,586 INFO L225 Difference]: With dead ends: 15292 [2020-10-24 00:32:47,586 INFO L226 Difference]: Without dead ends: 9086 [2020-10-24 00:32:47,603 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1443 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=933, Invalid=4037, Unknown=0, NotChecked=0, Total=4970 [2020-10-24 00:32:47,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9086 states. [2020-10-24 00:32:50,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9086 to 6797. [2020-10-24 00:32:50,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6797 states. [2020-10-24 00:32:50,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6797 states to 6797 states and 7467 transitions. [2020-10-24 00:32:50,912 INFO L78 Accepts]: Start accepts. Automaton has 6797 states and 7467 transitions. Word has length 710 [2020-10-24 00:32:50,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:32:50,912 INFO L481 AbstractCegarLoop]: Abstraction has 6797 states and 7467 transitions. [2020-10-24 00:32:50,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-24 00:32:50,913 INFO L276 IsEmpty]: Start isEmpty. Operand 6797 states and 7467 transitions. [2020-10-24 00:32:50,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 597 [2020-10-24 00:32:50,936 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:32:50,936 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:32:50,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-24 00:32:50,937 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:32:50,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:32:50,937 INFO L82 PathProgramCache]: Analyzing trace with hash 383523983, now seen corresponding path program 1 times [2020-10-24 00:32:50,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:32:50,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2102304867] [2020-10-24 00:32:50,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:32:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,380 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:32:51,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:32:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:32:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:32:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:32:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:32:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:32:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:32:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:32:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:32:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:32:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:32:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:32:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:32:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:32:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-24 00:32:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-24 00:32:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-10-24 00:32:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:32:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:32:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:32:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:32:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:32:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:32:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:32:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:32:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2020-10-24 00:32:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2020-10-24 00:32:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2020-10-24 00:32:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:32:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:32:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:32:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:32:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:32:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:32:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2020-10-24 00:32:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2020-10-24 00:32:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2020-10-24 00:32:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2020-10-24 00:32:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:32:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-10-24 00:32:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:32:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:32:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:32:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:32:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:32:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:32:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2020-10-24 00:32:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:51,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2020-10-24 00:32:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:32:52,158 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 133 proven. 47 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2020-10-24 00:32:52,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2102304867] [2020-10-24 00:32:52,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:32:52,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:32:52,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825093361] [2020-10-24 00:32:52,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:32:52,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:32:52,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:32:52,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:32:52,162 INFO L87 Difference]: Start difference. First operand 6797 states and 7467 transitions. Second operand 18 states. [2020-10-24 00:32:52,942 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:32:55,095 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:32:55,523 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:32:56,318 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:32:56,728 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:32:57,521 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-10-24 00:32:57,937 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:32:58,701 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:32:59,163 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:32:59,611 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:33:00,062 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-24 00:33:00,570 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:33:01,299 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-24 00:33:03,098 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:33:03,550 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:33:04,413 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-24 00:33:05,257 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 214 [2020-10-24 00:33:06,068 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-24 00:33:07,270 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-10-24 00:33:08,210 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 213 [2020-10-24 00:33:13,693 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:33:14,814 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:33:15,258 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:33:16,038 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:33:16,851 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:33:17,629 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:33:26,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:33:26,886 INFO L93 Difference]: Finished difference Result 18129 states and 21710 transitions. [2020-10-24 00:33:26,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2020-10-24 00:33:26,886 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 596 [2020-10-24 00:33:26,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:33:26,938 INFO L225 Difference]: With dead ends: 18129 [2020-10-24 00:33:26,939 INFO L226 Difference]: Without dead ends: 14221 [2020-10-24 00:33:26,958 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 180 SyntacticMatches, 6 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4117 ImplicationChecksByTransitivity, 17.1s TimeCoverageRelationStatistics Valid=1987, Invalid=9785, Unknown=0, NotChecked=0, Total=11772 [2020-10-24 00:33:26,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14221 states. [2020-10-24 00:33:31,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14221 to 9985. [2020-10-24 00:33:31,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9985 states. [2020-10-24 00:33:31,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9985 states to 9985 states and 10913 transitions. [2020-10-24 00:33:31,637 INFO L78 Accepts]: Start accepts. Automaton has 9985 states and 10913 transitions. Word has length 596 [2020-10-24 00:33:31,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:33:31,638 INFO L481 AbstractCegarLoop]: Abstraction has 9985 states and 10913 transitions. [2020-10-24 00:33:31,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:33:31,638 INFO L276 IsEmpty]: Start isEmpty. Operand 9985 states and 10913 transitions. [2020-10-24 00:33:31,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2020-10-24 00:33:31,660 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:33:31,660 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:33:31,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-24 00:33:31,661 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:33:31,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:33:31,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1435829947, now seen corresponding path program 1 times [2020-10-24 00:33:31,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:33:31,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1527324984] [2020-10-24 00:33:31,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:33:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,147 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:33:32,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:33:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:33:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:33:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:33:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:33:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:33:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:33:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:33:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:33:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:33:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:33:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:33:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:33:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:33:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:33:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:33:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:33:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:33:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:33:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:33:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-24 00:33:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:33:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-24 00:33:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-10-24 00:33:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:33:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:33:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:33:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:33:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:33:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:33:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:33:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:33:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:33:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:33:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:33:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:33:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:33:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:33:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2020-10-24 00:33:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2020-10-24 00:33:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2020-10-24 00:33:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:33:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:33:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:33:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:33:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:33:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:33:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:33:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:33:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:33:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:33:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2020-10-24 00:33:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2020-10-24 00:33:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2020-10-24 00:33:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2020-10-24 00:33:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:33:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:33:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:33:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:33:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:33:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2020-10-24 00:33:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2020-10-24 00:33:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2020-10-24 00:33:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:33:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2020-10-24 00:33:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:33:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:33:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:33:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:33:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:33:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:33:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:33:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:33:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2020-10-24 00:33:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2020-10-24 00:33:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:33:32,936 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 178 proven. 62 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2020-10-24 00:33:32,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1527324984] [2020-10-24 00:33:32,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:33:32,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:33:32,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673192772] [2020-10-24 00:33:32,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:33:32,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:33:32,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:33:32,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:33:32,939 INFO L87 Difference]: Start difference. First operand 9985 states and 10913 transitions. Second operand 19 states. [2020-10-24 00:33:34,428 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:33:36,241 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:33:42,388 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:33:42,876 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-24 00:33:43,310 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:33:43,736 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:33:44,145 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:33:44,892 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-24 00:33:54,388 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:33:55,011 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-24 00:33:55,476 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:33:55,948 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:33:56,375 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:33:59,339 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 210 [2020-10-24 00:34:00,135 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-10-24 00:34:05,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:34:05,615 INFO L93 Difference]: Finished difference Result 32691 states and 38916 transitions. [2020-10-24 00:34:05,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2020-10-24 00:34:05,615 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 667 [2020-10-24 00:34:05,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:34:05,709 INFO L225 Difference]: With dead ends: 32691 [2020-10-24 00:34:05,710 INFO L226 Difference]: Without dead ends: 22317 [2020-10-24 00:34:05,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 187 SyntacticMatches, 10 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2948 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=1774, Invalid=7346, Unknown=0, NotChecked=0, Total=9120 [2020-10-24 00:34:05,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22317 states. [2020-10-24 00:34:12,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22317 to 14020. [2020-10-24 00:34:12,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14020 states. [2020-10-24 00:34:12,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14020 states to 14020 states and 15290 transitions. [2020-10-24 00:34:12,731 INFO L78 Accepts]: Start accepts. Automaton has 14020 states and 15290 transitions. Word has length 667 [2020-10-24 00:34:12,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:34:12,731 INFO L481 AbstractCegarLoop]: Abstraction has 14020 states and 15290 transitions. [2020-10-24 00:34:12,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:34:12,731 INFO L276 IsEmpty]: Start isEmpty. Operand 14020 states and 15290 transitions. [2020-10-24 00:34:12,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2020-10-24 00:34:12,753 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:34:12,754 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:34:12,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-24 00:34:12,754 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:34:12,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:34:12,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1814109979, now seen corresponding path program 1 times [2020-10-24 00:34:12,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:34:12,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1884294822] [2020-10-24 00:34:12,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:34:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,213 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:34:13,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:34:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:34:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:34:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:34:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:34:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:34:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:34:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:34:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:34:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:34:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:34:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:34:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:34:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:34:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:34:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:34:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:34:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:34:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:34:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:34:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-24 00:34:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:34:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-24 00:34:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-10-24 00:34:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:34:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:34:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:34:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:34:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:34:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:34:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:34:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:34:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:34:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:34:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:34:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:34:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:34:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:34:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2020-10-24 00:34:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2020-10-24 00:34:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2020-10-24 00:34:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:34:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:34:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:34:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:34:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:34:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:34:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:34:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:34:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:34:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:34:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2020-10-24 00:34:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2020-10-24 00:34:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2020-10-24 00:34:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2020-10-24 00:34:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:34:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:34:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:34:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:34:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:34:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2020-10-24 00:34:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2020-10-24 00:34:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2020-10-24 00:34:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:34:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2020-10-24 00:34:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:34:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:34:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:34:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:34:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:34:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:34:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:34:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:34:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2020-10-24 00:34:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2020-10-24 00:34:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:34:13,944 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 165 proven. 12 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2020-10-24 00:34:13,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1884294822] [2020-10-24 00:34:13,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:34:13,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:34:13,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785051038] [2020-10-24 00:34:13,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:34:13,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:34:13,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:34:13,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:34:13,947 INFO L87 Difference]: Start difference. First operand 14020 states and 15290 transitions. Second operand 19 states. [2020-10-24 00:34:14,439 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-10-24 00:34:15,071 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:34:15,538 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:34:15,969 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:34:16,378 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:34:16,770 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:34:22,882 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:34:23,289 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:34:23,704 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:34:24,118 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:34:24,529 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:34:24,926 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:34:27,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:34:27,130 INFO L93 Difference]: Finished difference Result 16871 states and 18662 transitions. [2020-10-24 00:34:27,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-24 00:34:27,131 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 667 [2020-10-24 00:34:27,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:34:27,135 INFO L225 Difference]: With dead ends: 16871 [2020-10-24 00:34:27,135 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 00:34:27,162 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=574, Invalid=1778, Unknown=0, NotChecked=0, Total=2352 [2020-10-24 00:34:27,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 00:34:27,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 00:34:27,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 00:34:27,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 00:34:27,165 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 667 [2020-10-24 00:34:27,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:34:27,165 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 00:34:27,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:34:27,165 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 00:34:27,165 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 00:34:27,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-24 00:34:27,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 00:34:27,571 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2020-10-24 00:34:27,926 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 249 [2020-10-24 00:34:28,548 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 217 [2020-10-24 00:34:29,229 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 238 [2020-10-24 00:34:29,560 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 250 [2020-10-24 00:34:29,941 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 261 [2020-10-24 00:34:30,917 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 238 [2020-10-24 00:34:31,170 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 250 [2020-10-24 00:34:31,402 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 261 [2020-10-24 00:34:31,887 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 217 [2020-10-24 00:34:32,573 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 283 [2020-10-24 00:34:32,859 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 280 [2020-10-24 00:34:33,109 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 282 [2020-10-24 00:34:33,296 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 281 [2020-10-24 00:34:35,229 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 274 [2020-10-24 00:34:35,629 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 278 [2020-10-24 00:34:35,904 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 273 [2020-10-24 00:34:38,332 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 274 [2020-10-24 00:34:38,507 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 273 [2020-10-24 00:34:52,178 WARN L193 SmtUtils]: Spent 13.20 s on a formula simplification. DAG size of input: 1523 DAG size of output: 1035 [2020-10-24 00:35:06,107 WARN L193 SmtUtils]: Spent 13.11 s on a formula simplification. DAG size of input: 1523 DAG size of output: 1035 [2020-10-24 00:35:06,332 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 277 [2020-10-24 00:35:07,154 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 270 [2020-10-24 00:35:07,471 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 272 [2020-10-24 00:35:07,595 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 276 [2020-10-24 00:35:21,281 WARN L193 SmtUtils]: Spent 13.13 s on a formula simplification. DAG size of input: 1523 DAG size of output: 1035 [2020-10-24 00:35:28,083 WARN L193 SmtUtils]: Spent 6.80 s on a formula simplification. DAG size of input: 1280 DAG size of output: 869 [2020-10-24 00:35:28,244 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 254 [2020-10-24 00:35:29,777 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2020-10-24 00:35:30,488 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:35:30,745 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 267 [2020-10-24 00:35:30,968 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 220 [2020-10-24 00:35:31,132 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 265 [2020-10-24 00:35:31,370 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:35:31,795 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 266 [2020-10-24 00:35:32,053 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 225 [2020-10-24 00:35:32,335 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 234 [2020-10-24 00:35:32,522 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 266 [2020-10-24 00:35:33,282 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 265 [2020-10-24 00:35:34,434 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 254 [2020-10-24 00:35:35,916 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 265 [2020-10-24 00:35:36,848 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 281 [2020-10-24 00:35:37,133 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 273 [2020-10-24 00:35:37,430 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 279 [2020-10-24 00:35:37,610 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 279 [2020-10-24 00:35:37,891 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 282 [2020-10-24 00:35:38,446 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 273 [2020-10-24 00:35:38,568 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 266 [2020-10-24 00:35:38,777 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 241 [2020-10-24 00:35:39,143 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 283 [2020-10-24 00:35:39,418 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 274 [2020-10-24 00:35:39,663 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-10-24 00:35:39,858 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 261 [2020-10-24 00:35:39,963 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 261 [2020-10-24 00:35:40,087 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 262 [2020-10-24 00:35:40,350 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 273 [2020-10-24 00:35:41,230 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:35:41,400 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:35:41,550 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:35:41,958 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 225 [2020-10-24 00:35:42,358 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 225 [2020-10-24 00:35:42,571 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:35:42,698 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 225 [2020-10-24 00:35:42,813 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 254 [2020-10-24 00:35:43,123 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:35:43,272 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:35:43,660 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 225 [2020-10-24 00:35:44,653 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:35:44,853 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:35:45,037 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:35:46,274 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 272 [2020-10-24 00:35:46,423 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 254 [2020-10-24 00:35:46,552 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 257 [2020-10-24 00:35:46,858 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 254 [2020-10-24 00:35:48,831 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:35:49,086 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 267 [2020-10-24 00:35:49,327 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 220 [2020-10-24 00:35:49,490 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 265 [2020-10-24 00:35:49,727 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:35:50,149 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 266 [2020-10-24 00:35:50,388 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 225 [2020-10-24 00:35:50,672 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 234 [2020-10-24 00:35:50,863 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 266 [2020-10-24 00:35:51,580 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 265 [2020-10-24 00:35:51,900 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 261 [2020-10-24 00:35:52,716 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 238 [2020-10-24 00:35:52,833 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 250 [2020-10-24 00:35:53,134 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 228 [2020-10-24 00:35:54,198 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 229 [2020-10-24 00:36:07,595 WARN L193 SmtUtils]: Spent 13.03 s on a formula simplification. DAG size of input: 1523 DAG size of output: 1035 [2020-10-24 00:36:08,518 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 273 [2020-10-24 00:36:08,736 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 273 [2020-10-24 00:36:09,440 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 273 [2020-10-24 00:36:09,660 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 273 [2020-10-24 00:36:09,991 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 277 [2020-10-24 00:36:10,867 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 273 [2020-10-24 00:36:11,134 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 277 [2020-10-24 00:36:11,879 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 277 [2020-10-24 00:36:12,466 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 273 [2020-10-24 00:36:12,757 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 273 [2020-10-24 00:36:13,020 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 273 [2020-10-24 00:36:13,497 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 277 [2020-10-24 00:36:13,792 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 277 [2020-10-24 00:36:14,174 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 273 [2020-10-24 00:36:26,033 WARN L193 SmtUtils]: Spent 11.37 s on a formula simplification. DAG size of input: 1389 DAG size of output: 949 [2020-10-24 00:36:26,201 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 217 [2020-10-24 00:36:26,459 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 238 [2020-10-24 00:36:26,614 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 250 [2020-10-24 00:36:26,871 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 261 [2020-10-24 00:36:30,209 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 270 [2020-10-24 00:36:30,466 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 271 [2020-10-24 00:36:31,689 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 238 [2020-10-24 00:36:31,878 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 250 [2020-10-24 00:36:32,091 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 261 [2020-10-24 00:36:40,325 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 262 [2020-10-24 00:36:40,554 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 223 [2020-10-24 00:36:40,956 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 223 [2020-10-24 00:36:41,180 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 223 [2020-10-24 00:36:41,330 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 223 [2020-10-24 00:36:41,608 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 223 [2020-10-24 00:36:41,758 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 223 [2020-10-24 00:36:41,880 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 263 [2020-10-24 00:36:42,054 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 263 [2020-10-24 00:36:42,270 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 262 [2020-10-24 00:36:42,806 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 262 [2020-10-24 00:36:42,980 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 262 [2020-10-24 00:36:43,517 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 262 [2020-10-24 00:36:43,748 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 223 [2020-10-24 00:36:44,547 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 223 [2020-10-24 00:36:44,894 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 223 [2020-10-24 00:36:46,826 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 254 [2020-10-24 00:36:47,402 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:36:47,790 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:36:47,991 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:36:48,257 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 265 [2020-10-24 00:36:48,464 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 267 [2020-10-24 00:36:48,635 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 267 [2020-10-24 00:36:48,948 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 234 [2020-10-24 00:36:49,116 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 225 [2020-10-24 00:36:49,241 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 225 [2020-10-24 00:36:49,558 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:36:49,705 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:36:50,118 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 265 [2020-10-24 00:36:50,279 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 265 [2020-10-24 00:36:50,415 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 220 [2020-10-24 00:36:50,586 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 266 [2020-10-24 00:36:50,739 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 266 [2020-10-24 00:36:51,010 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:36:51,193 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 220 [2020-10-24 00:36:51,345 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:36:51,495 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:36:51,880 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 265 [2020-10-24 00:36:52,043 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 265 [2020-10-24 00:36:52,173 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 225 [2020-10-24 00:36:52,424 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 266 [2020-10-24 00:36:52,640 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:36:52,799 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 234 [2020-10-24 00:36:52,950 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:36:53,228 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 225 [2020-10-24 00:36:53,821 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 265 [2020-10-24 00:36:54,087 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:36:54,451 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 265 [2020-10-24 00:36:54,572 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 220 [2020-10-24 00:36:54,930 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:36:55,069 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 220 [2020-10-24 00:36:55,467 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:36:55,758 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 220 [2020-10-24 00:37:07,257 WARN L193 SmtUtils]: Spent 11.44 s on a formula simplification. DAG size of input: 1389 DAG size of output: 949 [2020-10-24 00:37:13,936 WARN L193 SmtUtils]: Spent 6.67 s on a formula simplification. DAG size of input: 1280 DAG size of output: 869 [2020-10-24 00:37:22,491 WARN L193 SmtUtils]: Spent 8.55 s on a formula simplification. DAG size of input: 1185 DAG size of output: 830 [2020-10-24 00:37:23,077 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 239 [2020-10-24 00:37:24,096 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 254 [2020-10-24 00:37:25,016 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 263 [2020-10-24 00:37:25,285 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 262 [2020-10-24 00:37:25,524 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 268 [2020-10-24 00:37:25,652 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 262 [2020-10-24 00:37:25,914 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 266 [2020-10-24 00:37:32,205 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 270 [2020-10-24 00:37:32,574 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 270 [2020-10-24 00:37:32,875 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 270 [2020-10-24 00:37:33,093 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 270 [2020-10-24 00:37:33,301 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 271 [2020-10-24 00:37:33,500 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 271 [2020-10-24 00:37:34,175 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 277 [2020-10-24 00:37:54,012 WARN L193 SmtUtils]: Spent 19.21 s on a formula simplification. DAG size of input: 1875 DAG size of output: 1298 [2020-10-24 00:38:07,068 WARN L193 SmtUtils]: Spent 13.05 s on a formula simplification. DAG size of input: 1523 DAG size of output: 1035 [2020-10-24 00:38:07,336 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 262 [2020-10-24 00:38:08,175 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 273 [2020-10-24 00:38:08,471 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 270 [2020-10-24 00:38:08,746 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 273 [2020-10-24 00:38:08,909 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 238 [2020-10-24 00:38:09,160 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 275 [2020-10-24 00:38:09,616 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 269 [2020-10-24 00:38:09,734 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 263 [2020-10-24 00:38:09,965 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 276 [2020-10-24 00:38:10,289 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 278 [2020-10-24 00:38:10,531 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 270 [2020-10-24 00:38:10,767 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 264 [2020-10-24 00:38:10,969 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 266 [2020-10-24 00:38:11,402 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 270 [2020-10-24 00:38:12,581 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 270 [2020-10-24 00:38:12,916 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 225 [2020-10-24 00:38:13,074 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 225 [2020-10-24 00:38:13,600 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 225 [2020-10-24 00:38:13,758 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 225 [2020-10-24 00:38:14,023 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 262 [2020-10-24 00:38:14,452 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 270 [2020-10-24 00:38:14,901 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 270 [2020-10-24 00:38:15,121 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 270 [2020-10-24 00:38:15,281 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 225 [2020-10-24 00:38:15,534 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 262 [2020-10-24 00:38:15,926 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 271 [2020-10-24 00:38:16,128 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 271 [2020-10-24 00:38:16,486 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 262 [2020-10-24 00:38:16,985 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 225 [2020-10-24 00:38:17,188 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 225 [2020-10-24 00:38:17,412 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 225 [2020-10-24 00:38:17,816 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 262 [2020-10-24 00:38:18,084 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 262 [2020-10-24 00:38:18,426 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 225 [2020-10-24 00:38:19,053 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 238 [2020-10-24 00:38:19,232 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 250 [2020-10-24 00:38:19,425 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 261 [2020-10-24 00:38:19,852 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 217 [2020-10-24 00:38:21,018 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 278 [2020-10-24 00:38:21,285 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 273 [2020-10-24 00:38:21,962 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 254 [2020-10-24 00:38:22,641 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 270 [2020-10-24 00:38:23,020 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 267 [2020-10-24 00:38:23,903 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 254 [2020-10-24 00:38:24,595 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 270 [2020-10-24 00:38:24,978 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 267 [2020-10-24 00:38:27,779 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 264 [2020-10-24 00:38:28,168 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 271 [2020-10-24 00:38:28,378 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 267 [2020-10-24 00:38:29,274 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-10-24 00:38:29,495 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 256 [2020-10-24 00:38:29,738 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 262 [2020-10-24 00:38:30,094 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 258 [2020-10-24 00:38:30,204 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 257 [2020-10-24 00:38:30,364 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 218 [2020-10-24 00:38:30,506 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 228 [2020-10-24 00:38:30,670 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 270 [2020-10-24 00:38:30,799 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-10-24 00:38:30,983 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 259 [2020-10-24 00:38:31,395 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 264 [2020-10-24 00:38:31,934 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 264 [2020-10-24 00:38:32,326 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 271 [2020-10-24 00:38:32,530 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 267 [2020-10-24 00:38:33,429 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-10-24 00:38:33,648 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 256 [2020-10-24 00:38:33,893 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 262 [2020-10-24 00:38:34,260 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 258 [2020-10-24 00:38:34,520 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 218 [2020-10-24 00:38:34,661 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 228 [2020-10-24 00:38:34,825 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 270 [2020-10-24 00:38:35,128 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 259 [2020-10-24 00:38:35,541 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 264 [2020-10-24 00:38:37,231 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 254 [2020-10-24 00:38:38,229 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 215 [2020-10-24 00:38:38,542 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 254 [2020-10-24 00:38:50,745 WARN L193 SmtUtils]: Spent 11.81 s on a formula simplification. DAG size of input: 1393 DAG size of output: 958 [2020-10-24 00:38:50,908 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 269 [2020-10-24 00:38:51,820 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 266 [2020-10-24 00:38:52,058 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 270 [2020-10-24 00:38:52,469 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 274 [2020-10-24 00:39:07,081 WARN L193 SmtUtils]: Spent 13.12 s on a formula simplification. DAG size of input: 1523 DAG size of output: 1035 [2020-10-24 00:39:08,331 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 261 [2020-10-24 00:39:09,187 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 238 [2020-10-24 00:39:09,344 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 250 [2020-10-24 00:39:09,530 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 285 [2020-10-24 00:39:09,801 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 282 [2020-10-24 00:39:10,060 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 284 [2020-10-24 00:39:10,231 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 283 [2020-10-24 00:39:10,428 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 283 [2020-10-24 00:39:10,701 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 280 [2020-10-24 00:39:10,947 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 282 [2020-10-24 00:39:11,121 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 281 [2020-10-24 00:39:11,315 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 283 [2020-10-24 00:39:11,589 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 280 [2020-10-24 00:39:11,839 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 282 [2020-10-24 00:39:12,023 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 281 [2020-10-24 00:39:12,200 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2020-10-24 00:39:12,628 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 266 [2020-10-24 00:39:12,750 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 264 [2020-10-24 00:39:13,058 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 265 [2020-10-24 00:39:26,643 WARN L193 SmtUtils]: Spent 13.03 s on a formula simplification. DAG size of input: 1523 DAG size of output: 1035 [2020-10-24 00:39:27,547 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 256 [2020-10-24 00:39:27,713 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 254 [2020-10-24 00:39:28,133 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 254 [2020-10-24 00:39:28,965 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 277 [2020-10-24 00:39:29,594 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 270 [2020-10-24 00:39:30,091 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 272 [2020-10-24 00:39:30,281 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 276 [2020-10-24 00:39:41,824 WARN L193 SmtUtils]: Spent 11.52 s on a formula simplification. DAG size of input: 1279 DAG size of output: 907 [2020-10-24 00:39:48,690 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 228 [2020-10-24 00:39:49,749 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 229 [2020-10-24 00:39:50,120 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 254 [2020-10-24 00:39:50,303 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 265 [2020-10-24 00:39:50,467 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 265 [2020-10-24 00:39:50,661 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 234 [2020-10-24 00:39:50,991 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 254 [2020-10-24 00:39:51,158 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 265 [2020-10-24 00:39:51,329 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 265 [2020-10-24 00:39:51,656 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 234 [2020-10-24 00:39:52,094 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 256 [2020-10-24 00:39:52,260 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 254 [2020-10-24 00:39:52,392 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 270 [2020-10-24 00:39:52,727 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 254 [2020-10-24 00:39:59,612 WARN L193 SmtUtils]: Spent 6.79 s on a formula simplification. DAG size of input: 1280 DAG size of output: 869 [2020-10-24 00:40:01,232 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 261 [2020-10-24 00:40:02,097 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 238 [2020-10-24 00:40:02,256 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 250 [2020-10-24 00:40:14,116 WARN L193 SmtUtils]: Spent 11.45 s on a formula simplification. DAG size of input: 1389 DAG size of output: 949 [2020-10-24 00:40:23,260 WARN L193 SmtUtils]: Spent 9.14 s on a formula simplification. DAG size of input: 1082 DAG size of output: 799 [2020-10-24 00:40:25,778 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 238 [2020-10-24 00:40:25,960 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 250 [2020-10-24 00:40:26,164 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 261 [2020-10-24 00:40:26,586 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 217 [2020-10-24 00:40:27,417 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 254 [2020-10-24 00:40:27,567 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:40:27,740 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:40:27,890 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:40:28,093 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 265 [2020-10-24 00:40:28,280 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 265 [2020-10-24 00:40:28,640 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 225 [2020-10-24 00:40:28,914 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 234 [2020-10-24 00:40:29,153 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 225 [2020-10-24 00:40:29,306 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:40:29,451 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 225 [2020-10-24 00:40:29,849 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:40:30,006 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:40:30,496 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 254 [2020-10-24 00:40:30,662 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 265 [2020-10-24 00:40:30,825 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 265 [2020-10-24 00:40:30,952 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 225 [2020-10-24 00:40:31,668 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 234 [2020-10-24 00:40:32,306 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:40:32,536 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:40:32,724 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:40:44,323 WARN L193 SmtUtils]: Spent 11.47 s on a formula simplification. DAG size of input: 1389 DAG size of output: 949 [2020-10-24 00:40:44,487 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 261 [2020-10-24 00:40:45,305 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 238 [2020-10-24 00:40:45,421 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 250 [2020-10-24 00:40:47,838 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 238 [2020-10-24 00:40:47,995 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 250 [2020-10-24 00:40:48,256 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 261 [2020-10-24 00:40:49,841 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 252 [2020-10-24 00:40:49,999 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 252 [2020-10-24 00:40:51,641 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 252 [2020-10-24 00:40:51,788 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 252 [2020-10-24 00:40:53,791 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 225 [2020-10-24 00:40:54,065 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 266 [2020-10-24 00:40:54,235 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 234 [2020-10-24 00:40:54,877 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 267 [2020-10-24 00:40:55,253 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-10-24 00:40:55,718 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 220 [2020-10-24 00:40:55,881 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 265 [2020-10-24 00:40:55,998 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 265 [2020-10-24 00:40:56,270 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:40:56,594 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 266 [2020-10-24 00:40:58,230 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 270 [2020-10-24 00:40:58,656 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 272 [2020-10-24 00:40:58,912 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 276 [2020-10-24 00:40:59,220 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 277 [2020-10-24 00:41:06,851 WARN L193 SmtUtils]: Spent 6.71 s on a formula simplification. DAG size of input: 1280 DAG size of output: 869 [2020-10-24 00:41:08,063 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 238 [2020-10-24 00:41:08,245 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 250 [2020-10-24 00:41:08,447 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 261 [2020-10-24 00:41:08,870 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 217 [2020-10-24 00:41:18,612 WARN L193 SmtUtils]: Spent 7.01 s on a formula simplification. DAG size of input: 1280 DAG size of output: 869 [2020-10-24 00:41:25,575 WARN L193 SmtUtils]: Spent 6.96 s on a formula simplification. DAG size of input: 1280 DAG size of output: 869 [2020-10-24 00:41:39,109 WARN L193 SmtUtils]: Spent 13.53 s on a formula simplification. DAG size of input: 1523 DAG size of output: 1035 [2020-10-24 00:41:39,297 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 272 [2020-10-24 00:41:39,445 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 254 [2020-10-24 00:41:39,576 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 257 [2020-10-24 00:41:39,881 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 254 [2020-10-24 00:41:40,259 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 265 [2020-10-24 00:41:41,188 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 281 [2020-10-24 00:41:41,472 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 273 [2020-10-24 00:41:41,768 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 279 [2020-10-24 00:41:41,951 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 279 [2020-10-24 00:41:42,234 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 282 [2020-10-24 00:41:42,699 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 273 [2020-10-24 00:41:42,820 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 266 [2020-10-24 00:41:43,024 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 241 [2020-10-24 00:41:43,390 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 283 [2020-10-24 00:41:43,669 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 274 [2020-10-24 00:41:43,918 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-10-24 00:41:44,112 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 261 [2020-10-24 00:41:44,218 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 261 [2020-10-24 00:41:44,349 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 262 [2020-10-24 00:41:44,611 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 273 [2020-10-24 00:41:45,222 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 277 [2020-10-24 00:41:49,543 WARN L193 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 306 DAG size of output: 34 [2020-10-24 00:41:50,571 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 162 DAG size of output: 18 [2020-10-24 00:41:51,608 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 162 DAG size of output: 18 [2020-10-24 00:41:51,962 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-24 00:41:53,160 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 165 DAG size of output: 21 [2020-10-24 00:41:54,801 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 253 DAG size of output: 37 [2020-10-24 00:41:55,545 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 1 [2020-10-24 00:41:57,605 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 253 DAG size of output: 20 [2020-10-24 00:42:00,344 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 319 DAG size of output: 32 [2020-10-24 00:42:01,069 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 25 [2020-10-24 00:42:02,014 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 24