/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 0.2.0-7d8eed3 [2020-11-07 04:41:04,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:41:04,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:41:04,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:41:04,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:41:04,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:41:04,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:41:04,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:41:04,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:41:04,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:41:04,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:41:04,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:41:04,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:41:04,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:41:04,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:41:04,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:41:04,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:41:04,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:41:04,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:41:04,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:41:04,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:41:04,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:41:04,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:41:04,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:41:04,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 04:41:04,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 04:41:04,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 04:41:04,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 04:41:04,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 04:41:04,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 04:41:04,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:41:04,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:41:04,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:41:04,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:41:04,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:41:04,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:41:04,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:41:04,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:41:04,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:41:04,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:41:04,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:41:04,314 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 04:41:04,327 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:41:04,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:41:04,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:41:04,329 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:41:04,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:41:04,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:41:04,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:41:04,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:41:04,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:41:04,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:41:04,330 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:41:04,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:41:04,331 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:41:04,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:41:04,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:41:04,331 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:41:04,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:41:04,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:41:04,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:41:04,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:41:04,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:41:04,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:41:04,333 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:41:04,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:41:04,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:41:04,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:41:04,718 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:41:04,718 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:41:04,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-11-07 04:41:04,808 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ed86278a/3a6b5b6e98aa4ef1a1e383b70120db9a/FLAG8492d53bd [2020-11-07 04:41:05,613 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:41:05,614 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-11-07 04:41:05,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ed86278a/3a6b5b6e98aa4ef1a1e383b70120db9a/FLAG8492d53bd [2020-11-07 04:41:05,857 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ed86278a/3a6b5b6e98aa4ef1a1e383b70120db9a [2020-11-07 04:41:05,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:41:05,877 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:41:05,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:41:05,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:41:05,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:41:05,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:41:05" (1/1) ... [2020-11-07 04:41:05,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ec4c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:41:05, skipping insertion in model container [2020-11-07 04:41:05,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:41:05" (1/1) ... [2020-11-07 04:41:05,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:41:05,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:41:06,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:41:06,314 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:41:06,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:41:06,444 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:41:06,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:41:06 WrapperNode [2020-11-07 04:41:06,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:41:06,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:41:06,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:41:06,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:41:06,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:41:06" (1/1) ... [2020-11-07 04:41:06,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:41:06" (1/1) ... [2020-11-07 04:41:06,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:41:06" (1/1) ... [2020-11-07 04:41:06,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:41:06" (1/1) ... [2020-11-07 04:41:06,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:41:06" (1/1) ... [2020-11-07 04:41:06,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:41:06" (1/1) ... [2020-11-07 04:41:06,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:41:06" (1/1) ... [2020-11-07 04:41:06,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:41:06,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:41:06,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:41:06,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:41:06,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:41:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:41:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:41:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:41:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 04:41:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:41:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:41:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:41:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:41:06,658 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 04:41:06,658 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 04:41:06,658 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 04:41:06,658 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:41:06,658 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-07 04:41:06,658 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 04:41:06,659 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-11-07 04:41:06,659 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 04:41:06,659 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 04:41:06,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 04:41:06,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 04:41:06,660 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 04:41:06,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 04:41:06,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-11-07 04:41:06,660 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-11-07 04:41:06,660 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-07 04:41:06,661 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 04:41:06,661 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 04:41:06,661 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 04:41:06,661 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 04:41:06,661 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 04:41:06,661 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 04:41:06,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 04:41:06,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-11-07 04:41:06,662 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 04:41:06,662 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 04:41:06,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 04:41:06,663 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 04:41:06,663 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:41:06,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 04:41:06,663 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 04:41:06,663 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 04:41:06,664 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 04:41:06,664 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 04:41:06,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 04:41:06,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 04:41:06,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 04:41:06,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 04:41:06,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 04:41:06,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 04:41:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:41:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:41:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:41:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:41:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:41:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 04:41:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 04:41:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 04:41:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 04:41:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:41:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:41:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:41:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 04:41:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 04:41:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-07 04:41:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-11-07 04:41:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 04:41:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 04:41:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 04:41:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 04:41:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 04:41:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 04:41:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 04:41:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-11-07 04:41:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 04:41:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 04:41:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 04:41:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 04:41:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 04:41:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 04:41:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:41:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-11-07 04:41:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-07 04:41:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 04:41:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-11-07 04:41:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 04:41:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 04:41:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 04:41:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 04:41:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 04:41:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 04:41:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:41:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 04:41:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 04:41:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 04:41:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 04:41:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 04:41:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 04:41:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:41:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 04:41:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 04:41:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:41:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 04:41:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 04:41:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:41:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 04:41:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 04:41:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 04:41:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:41:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:41:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:41:07,935 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:41:07,935 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 04:41:07,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:41:07 BoogieIcfgContainer [2020-11-07 04:41:07,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:41:07,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:41:07,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:41:07,950 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:41:07,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:41:05" (1/3) ... [2020-11-07 04:41:07,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39486606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:41:07, skipping insertion in model container [2020-11-07 04:41:07,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:41:06" (2/3) ... [2020-11-07 04:41:07,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39486606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:41:07, skipping insertion in model container [2020-11-07 04:41:07,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:41:07" (3/3) ... [2020-11-07 04:41:07,957 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2020-11-07 04:41:07,974 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:41:07,979 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 04:41:07,992 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 04:41:08,030 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:41:08,030 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:41:08,030 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:41:08,030 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:41:08,030 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:41:08,030 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:41:08,031 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:41:08,031 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:41:08,070 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states. [2020-11-07 04:41:08,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-07 04:41:08,106 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:08,107 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:41:08,108 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:41:08,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:08,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1877684283, now seen corresponding path program 1 times [2020-11-07 04:41:08,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:08,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1456914365] [2020-11-07 04:41:08,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:09,085 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:09,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:09,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:09,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:09,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:09,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:09,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:09,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 04:41:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:09,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:09,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-11-07 04:41:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:09,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-11-07 04:41:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:09,297 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:41:09,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1456914365] [2020-11-07 04:41:09,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:41:09,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 04:41:09,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223985972] [2020-11-07 04:41:09,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 04:41:09,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:09,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 04:41:09,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:41:09,323 INFO L87 Difference]: Start difference. First operand 378 states. Second operand 4 states. [2020-11-07 04:41:11,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:11,521 INFO L93 Difference]: Finished difference Result 614 states and 722 transitions. [2020-11-07 04:41:11,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-07 04:41:11,527 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-11-07 04:41:11,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:11,556 INFO L225 Difference]: With dead ends: 614 [2020-11-07 04:41:11,557 INFO L226 Difference]: Without dead ends: 377 [2020-11-07 04:41:11,567 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:41:11,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-11-07 04:41:11,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 324. [2020-11-07 04:41:11,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-11-07 04:41:11,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 356 transitions. [2020-11-07 04:41:11,811 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 356 transitions. Word has length 166 [2020-11-07 04:41:11,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:41:11,814 INFO L481 AbstractCegarLoop]: Abstraction has 324 states and 356 transitions. [2020-11-07 04:41:11,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 04:41:11,814 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 356 transitions. [2020-11-07 04:41:11,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-07 04:41:11,824 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:11,824 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:41:11,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:41:11,825 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:41:11,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:11,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1065144367, now seen corresponding path program 1 times [2020-11-07 04:41:11,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:11,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454015197] [2020-11-07 04:41:11,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:12,317 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:12,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:12,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:12,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:12,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:12,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:12,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:12,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:41:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:12,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:12,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:41:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:12,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:41:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:12,478 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:41:12,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [454015197] [2020-11-07 04:41:12,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:41:12,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 04:41:12,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740971199] [2020-11-07 04:41:12,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 04:41:12,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:12,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 04:41:12,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 04:41:12,484 INFO L87 Difference]: Start difference. First operand 324 states and 356 transitions. Second operand 5 states. [2020-11-07 04:41:13,372 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:15,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:15,245 INFO L93 Difference]: Finished difference Result 530 states and 602 transitions. [2020-11-07 04:41:15,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-07 04:41:15,246 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-11-07 04:41:15,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:15,252 INFO L225 Difference]: With dead ends: 530 [2020-11-07 04:41:15,252 INFO L226 Difference]: Without dead ends: 366 [2020-11-07 04:41:15,255 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-07 04:41:15,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2020-11-07 04:41:15,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 314. [2020-11-07 04:41:15,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states. [2020-11-07 04:41:15,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 343 transitions. [2020-11-07 04:41:15,363 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 343 transitions. Word has length 167 [2020-11-07 04:41:15,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:41:15,364 INFO L481 AbstractCegarLoop]: Abstraction has 314 states and 343 transitions. [2020-11-07 04:41:15,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 04:41:15,364 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 343 transitions. [2020-11-07 04:41:15,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-11-07 04:41:15,367 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:15,367 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:41:15,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 04:41:15,368 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:41:15,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:15,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1338232097, now seen corresponding path program 1 times [2020-11-07 04:41:15,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:15,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [458750942] [2020-11-07 04:41:15,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,842 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:15,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:41:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:41:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-11-07 04:41:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-11-07 04:41:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,107 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:41:16,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [458750942] [2020-11-07 04:41:16,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:41:16,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:41:16,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790082682] [2020-11-07 04:41:16,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:41:16,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:16,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:41:16,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:41:16,114 INFO L87 Difference]: Start difference. First operand 314 states and 343 transitions. Second operand 11 states. [2020-11-07 04:41:16,893 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:17,368 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:17,812 WARN L194 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:41:18,221 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:18,608 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:41:18,995 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:20,476 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:24,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:24,376 INFO L93 Difference]: Finished difference Result 878 states and 1023 transitions. [2020-11-07 04:41:24,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 04:41:24,378 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 180 [2020-11-07 04:41:24,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:24,384 INFO L225 Difference]: With dead ends: 878 [2020-11-07 04:41:24,384 INFO L226 Difference]: Without dead ends: 684 [2020-11-07 04:41:24,387 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-11-07 04:41:24,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2020-11-07 04:41:24,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 575. [2020-11-07 04:41:24,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2020-11-07 04:41:24,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 649 transitions. [2020-11-07 04:41:24,665 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 649 transitions. Word has length 180 [2020-11-07 04:41:24,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:41:24,666 INFO L481 AbstractCegarLoop]: Abstraction has 575 states and 649 transitions. [2020-11-07 04:41:24,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:41:24,667 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 649 transitions. [2020-11-07 04:41:24,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-07 04:41:24,671 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:24,671 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:41:24,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 04:41:24,672 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:41:24,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:24,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1078667143, now seen corresponding path program 1 times [2020-11-07 04:41:24,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:24,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1288824484] [2020-11-07 04:41:24,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:25,153 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:25,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:25,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:25,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:25,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:25,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:25,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:25,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-11-07 04:41:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:25,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:41:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:25,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:25,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-11-07 04:41:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:25,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-11-07 04:41:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:25,383 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-07 04:41:25,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1288824484] [2020-11-07 04:41:25,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:41:25,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 04:41:25,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898130771] [2020-11-07 04:41:25,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 04:41:25,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:25,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 04:41:25,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:41:25,387 INFO L87 Difference]: Start difference. First operand 575 states and 649 transitions. Second operand 10 states. [2020-11-07 04:41:26,038 WARN L194 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:27,203 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:27,614 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:41:29,324 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:29,744 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:41:30,141 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:30,697 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:31,135 WARN L194 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:31,584 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:33,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:33,121 INFO L93 Difference]: Finished difference Result 1341 states and 1602 transitions. [2020-11-07 04:41:33,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-07 04:41:33,122 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 185 [2020-11-07 04:41:33,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:33,130 INFO L225 Difference]: With dead ends: 1341 [2020-11-07 04:41:33,130 INFO L226 Difference]: Without dead ends: 886 [2020-11-07 04:41:33,134 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-11-07 04:41:33,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2020-11-07 04:41:33,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 793. [2020-11-07 04:41:33,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2020-11-07 04:41:33,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 891 transitions. [2020-11-07 04:41:33,463 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 891 transitions. Word has length 185 [2020-11-07 04:41:33,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:41:33,464 INFO L481 AbstractCegarLoop]: Abstraction has 793 states and 891 transitions. [2020-11-07 04:41:33,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 04:41:33,464 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 891 transitions. [2020-11-07 04:41:33,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-11-07 04:41:33,469 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:33,469 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:41:33,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 04:41:33,470 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:41:33,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:33,470 INFO L82 PathProgramCache]: Analyzing trace with hash 792825267, now seen corresponding path program 1 times [2020-11-07 04:41:33,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:33,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [190088804] [2020-11-07 04:41:33,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:33,880 WARN L194 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:33,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:33,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:33,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:33,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:33,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:33,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:33,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:41:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:33,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:41:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:33,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:33,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:41:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:33,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:34,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:34,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:34,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:34,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:41:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:34,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:34,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:34,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:34,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-11-07 04:41:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:34,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:41:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:34,198 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:41:34,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [190088804] [2020-11-07 04:41:34,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:41:34,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:41:34,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846134732] [2020-11-07 04:41:34,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:41:34,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:34,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:41:34,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:41:34,203 INFO L87 Difference]: Start difference. First operand 793 states and 891 transitions. Second operand 11 states. [2020-11-07 04:41:36,305 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:36,726 WARN L194 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:41:37,169 WARN L194 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:41:37,594 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:38,011 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:38,408 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:40,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:40,644 INFO L93 Difference]: Finished difference Result 1678 states and 2023 transitions. [2020-11-07 04:41:40,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-07 04:41:40,645 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 245 [2020-11-07 04:41:40,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:40,652 INFO L225 Difference]: With dead ends: 1678 [2020-11-07 04:41:40,652 INFO L226 Difference]: Without dead ends: 1005 [2020-11-07 04:41:40,655 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-11-07 04:41:40,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2020-11-07 04:41:40,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 812. [2020-11-07 04:41:40,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 812 states. [2020-11-07 04:41:40,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 911 transitions. [2020-11-07 04:41:40,992 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 911 transitions. Word has length 245 [2020-11-07 04:41:40,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:41:40,993 INFO L481 AbstractCegarLoop]: Abstraction has 812 states and 911 transitions. [2020-11-07 04:41:40,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:41:40,994 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 911 transitions. [2020-11-07 04:41:41,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-11-07 04:41:41,001 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:41,001 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:41:41,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 04:41:41,002 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:41:41,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:41,003 INFO L82 PathProgramCache]: Analyzing trace with hash -662687405, now seen corresponding path program 1 times [2020-11-07 04:41:41,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:41,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1235795899] [2020-11-07 04:41:41,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,424 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:41,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:41:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:41:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:41:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:41:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-11-07 04:41:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:41:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,780 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:41:41,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1235795899] [2020-11-07 04:41:41,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:41:41,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-07 04:41:41,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958044828] [2020-11-07 04:41:41,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 04:41:41,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:41,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 04:41:41,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-11-07 04:41:41,783 INFO L87 Difference]: Start difference. First operand 812 states and 911 transitions. Second operand 14 states. [2020-11-07 04:41:42,638 WARN L194 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:43,053 WARN L194 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:41:43,466 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:43,845 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:44,239 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:45,794 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:46,222 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:46,684 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:47,150 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:47,566 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:49,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:49,925 INFO L93 Difference]: Finished difference Result 1715 states and 2061 transitions. [2020-11-07 04:41:49,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 04:41:49,926 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 245 [2020-11-07 04:41:49,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:49,933 INFO L225 Difference]: With dead ends: 1715 [2020-11-07 04:41:49,933 INFO L226 Difference]: Without dead ends: 1023 [2020-11-07 04:41:49,937 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-11-07 04:41:49,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2020-11-07 04:41:50,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 824. [2020-11-07 04:41:50,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 824 states. [2020-11-07 04:41:50,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 923 transitions. [2020-11-07 04:41:50,361 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 923 transitions. Word has length 245 [2020-11-07 04:41:50,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:41:50,361 INFO L481 AbstractCegarLoop]: Abstraction has 824 states and 923 transitions. [2020-11-07 04:41:50,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 04:41:50,362 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 923 transitions. [2020-11-07 04:41:50,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-11-07 04:41:50,365 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:50,365 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:41:50,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 04:41:50,366 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:41:50,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:50,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1010545974, now seen corresponding path program 1 times [2020-11-07 04:41:50,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:50,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [867280614] [2020-11-07 04:41:50,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:50,775 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:50,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:50,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:50,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:50,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:50,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:50,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:50,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:41:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:50,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:41:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:50,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:50,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:41:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:50,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:50,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:50,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:50,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:50,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:41:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:50,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:50,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:50,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:50,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-11-07 04:41:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:50,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:41:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:51,078 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:41:51,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [867280614] [2020-11-07 04:41:51,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:41:51,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 04:41:51,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094134799] [2020-11-07 04:41:51,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 04:41:51,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:51,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 04:41:51,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-07 04:41:51,080 INFO L87 Difference]: Start difference. First operand 824 states and 923 transitions. Second operand 8 states. [2020-11-07 04:41:51,798 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:52,630 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:57,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:57,653 INFO L93 Difference]: Finished difference Result 2505 states and 3046 transitions. [2020-11-07 04:41:57,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-11-07 04:41:57,654 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 245 [2020-11-07 04:41:57,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:57,666 INFO L225 Difference]: With dead ends: 2505 [2020-11-07 04:41:57,666 INFO L226 Difference]: Without dead ends: 1801 [2020-11-07 04:41:57,670 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 [2020-11-07 04:41:57,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2020-11-07 04:41:58,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 1532. [2020-11-07 04:41:58,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1532 states. [2020-11-07 04:41:58,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1746 transitions. [2020-11-07 04:41:58,463 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1746 transitions. Word has length 245 [2020-11-07 04:41:58,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:41:58,464 INFO L481 AbstractCegarLoop]: Abstraction has 1532 states and 1746 transitions. [2020-11-07 04:41:58,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 04:41:58,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1746 transitions. [2020-11-07 04:41:58,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-11-07 04:41:58,468 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:58,468 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] [2020-11-07 04:41:58,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 04:41:58,469 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:41:58,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:58,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1516826437, now seen corresponding path program 1 times [2020-11-07 04:41:58,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:58,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1823769044] [2020-11-07 04:41:58,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:59,009 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:59,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:59,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:59,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:59,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:59,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:59,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:59,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:41:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:59,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:41:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:59,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:41:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:59,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:59,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-11-07 04:41:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:59,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:59,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:59,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:59,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:59,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:41:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:59,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:59,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:59,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:59,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-11-07 04:41:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:59,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-11-07 04:41:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:59,397 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:41:59,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1823769044] [2020-11-07 04:41:59,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:41:59,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-11-07 04:41:59,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931105532] [2020-11-07 04:41:59,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-07 04:41:59,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:59,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-07 04:41:59,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-11-07 04:41:59,400 INFO L87 Difference]: Start difference. First operand 1532 states and 1746 transitions. Second operand 15 states. [2020-11-07 04:42:00,501 WARN L194 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-07 04:42:01,622 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:42:03,393 WARN L194 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-11-07 04:42:04,213 WARN L194 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:42:04,731 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:42:05,155 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:42:05,951 WARN L194 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-11-07 04:42:06,392 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:42:06,895 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:42:07,318 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:42:12,648 WARN L194 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-11-07 04:42:13,402 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:42:13,781 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:42:14,524 WARN L194 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:42:16,651 WARN L194 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-11-07 04:42:17,481 WARN L194 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-11-07 04:42:18,297 WARN L194 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-11-07 04:42:19,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:42:19,782 INFO L93 Difference]: Finished difference Result 4726 states and 5779 transitions. [2020-11-07 04:42:19,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-11-07 04:42:19,783 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 250 [2020-11-07 04:42:19,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:42:19,807 INFO L225 Difference]: With dead ends: 4726 [2020-11-07 04:42:19,807 INFO L226 Difference]: Without dead ends: 3605 [2020-11-07 04:42:19,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=816, Invalid=3216, Unknown=0, NotChecked=0, Total=4032 [2020-11-07 04:42:19,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3605 states. [2020-11-07 04:42:21,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3605 to 2887. [2020-11-07 04:42:21,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2887 states. [2020-11-07 04:42:21,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 2887 states and 3267 transitions. [2020-11-07 04:42:21,638 INFO L78 Accepts]: Start accepts. Automaton has 2887 states and 3267 transitions. Word has length 250 [2020-11-07 04:42:21,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:42:21,639 INFO L481 AbstractCegarLoop]: Abstraction has 2887 states and 3267 transitions. [2020-11-07 04:42:21,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-07 04:42:21,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2887 states and 3267 transitions. [2020-11-07 04:42:21,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2020-11-07 04:42:21,646 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:42:21,648 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] [2020-11-07 04:42:21,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 04:42:21,648 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:42:21,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:42:21,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1720759075, now seen corresponding path program 1 times [2020-11-07 04:42:21,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:42:21,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2112585117] [2020-11-07 04:42:21,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:42:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,154 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:42:22,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:42:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:42:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:42:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:42:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:42:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:42:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:42:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:42:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:42:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:42:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:22,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:42:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:42:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-11-07 04:42:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-11-07 04:42:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2020-11-07 04:42:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:42:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:42:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-11-07 04:42:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-11-07 04:42:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:22,746 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 34 proven. 11 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-11-07 04:42:22,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2112585117] [2020-11-07 04:42:22,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:42:22,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:42:22,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576106080] [2020-11-07 04:42:22,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:42:22,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:42:22,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:42:22,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:42:22,749 INFO L87 Difference]: Start difference. First operand 2887 states and 3267 transitions. Second operand 19 states. [2020-11-07 04:42:23,798 WARN L194 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:42:24,430 WARN L194 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:42:24,909 WARN L194 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-11-07 04:42:25,358 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:42:25,806 WARN L194 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:42:26,226 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:42:27,501 WARN L194 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-11-07 04:42:28,137 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:42:28,663 WARN L194 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:42:29,107 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:42:29,708 WARN L194 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:42:30,238 WARN L194 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-11-07 04:42:30,742 WARN L194 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:42:33,796 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:42:35,685 WARN L194 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:42:36,478 WARN L194 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:42:37,379 WARN L194 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:42:37,957 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:39,040 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:42:39,890 WARN L194 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:42:40,403 WARN L194 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:42:41,841 WARN L194 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-11-07 04:42:42,655 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:42:43,471 WARN L194 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-11-07 04:42:44,358 WARN L194 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-11-07 04:42:46,164 WARN L194 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-11-07 04:42:48,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:42:48,918 INFO L93 Difference]: Finished difference Result 6449 states and 7579 transitions. [2020-11-07 04:42:48,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-11-07 04:42:48,919 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 364 [2020-11-07 04:42:48,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:42:48,944 INFO L225 Difference]: With dead ends: 6449 [2020-11-07 04:42:48,945 INFO L226 Difference]: Without dead ends: 3958 [2020-11-07 04:42:48,957 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2509 ImplicationChecksByTransitivity, 15.7s TimeCoverageRelationStatistics Valid=1475, Invalid=6535, Unknown=0, NotChecked=0, Total=8010 [2020-11-07 04:42:48,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3958 states. [2020-11-07 04:42:51,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3958 to 3307. [2020-11-07 04:42:51,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3307 states. [2020-11-07 04:42:51,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 3307 states and 3672 transitions. [2020-11-07 04:42:51,144 INFO L78 Accepts]: Start accepts. Automaton has 3307 states and 3672 transitions. Word has length 364 [2020-11-07 04:42:51,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:42:51,145 INFO L481 AbstractCegarLoop]: Abstraction has 3307 states and 3672 transitions. [2020-11-07 04:42:51,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:42:51,146 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 3672 transitions. [2020-11-07 04:42:51,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2020-11-07 04:42:51,161 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:42:51,163 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] [2020-11-07 04:42:51,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 04:42:51,166 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:42:51,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:42:51,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1008940386, now seen corresponding path program 1 times [2020-11-07 04:42:51,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:42:51,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2116488781] [2020-11-07 04:42:51,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:42:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,633 WARN L194 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:42:51,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:42:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:42:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:42:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:42:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:42:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:42:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:42:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:42:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:42:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:42:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:42:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:42:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-11-07 04:42:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:42:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:42:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:42:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:42:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2020-11-07 04:42:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-11-07 04:42:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:42:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:42:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:42:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-11-07 04:42:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-11-07 04:42:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2020-11-07 04:42:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:42:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-11-07 04:42:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-11-07 04:42:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2020-11-07 04:42:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:42:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2020-11-07 04:42:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2020-11-07 04:42:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:52,476 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 173 proven. 14 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2020-11-07 04:42:52,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2116488781] [2020-11-07 04:42:52,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:42:52,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:42:52,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179429063] [2020-11-07 04:42:52,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:42:52,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:42:52,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:42:52,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:42:52,479 INFO L87 Difference]: Start difference. First operand 3307 states and 3672 transitions. Second operand 18 states. [2020-11-07 04:42:53,243 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:42:54,741 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:42:58,325 WARN L194 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:58,807 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:42:59,343 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:59,798 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:43:00,243 WARN L194 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:00,750 WARN L194 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:43:01,186 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:01,630 WARN L194 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:02,048 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:43:02,551 WARN L194 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:43:03,005 WARN L194 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:43:03,445 WARN L194 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:43:05,926 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:06,789 WARN L194 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-11-07 04:43:07,616 WARN L194 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-11-07 04:43:08,075 WARN L194 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:43:08,560 WARN L194 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:43:08,995 WARN L194 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:43:13,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:43:13,612 INFO L93 Difference]: Finished difference Result 10385 states and 11972 transitions. [2020-11-07 04:43:13,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-11-07 04:43:13,619 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 620 [2020-11-07 04:43:13,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:43:13,664 INFO L225 Difference]: With dead ends: 10385 [2020-11-07 04:43:13,664 INFO L226 Difference]: Without dead ends: 7211 [2020-11-07 04:43:13,677 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 152 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1231 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=870, Invalid=3552, Unknown=0, NotChecked=0, Total=4422 [2020-11-07 04:43:13,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7211 states. [2020-11-07 04:43:16,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7211 to 6405. [2020-11-07 04:43:16,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6405 states. [2020-11-07 04:43:16,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6405 states to 6405 states and 7058 transitions. [2020-11-07 04:43:16,850 INFO L78 Accepts]: Start accepts. Automaton has 6405 states and 7058 transitions. Word has length 620 [2020-11-07 04:43:16,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:43:16,852 INFO L481 AbstractCegarLoop]: Abstraction has 6405 states and 7058 transitions. [2020-11-07 04:43:16,852 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:43:16,852 INFO L276 IsEmpty]: Start isEmpty. Operand 6405 states and 7058 transitions. [2020-11-07 04:43:16,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2020-11-07 04:43:16,878 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:43:16,878 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] [2020-11-07 04:43:16,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 04:43:16,879 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:43:16,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:43:16,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1678360510, now seen corresponding path program 1 times [2020-11-07 04:43:16,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:43:16,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1524471261] [2020-11-07 04:43:16,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:43:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:17,364 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:43:17,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:17,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:43:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:17,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:43:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:17,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:43:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:17,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:43:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:17,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:43:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:17,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:43:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:17,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:43:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:17,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:43:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:17,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-11-07 04:43:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:17,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:17,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:17,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:43:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:17,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:17,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:17,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:17,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:17,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:43:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:17,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:43:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-11-07 04:43:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2020-11-07 04:43:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:43:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:43:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:43:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:43:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2020-11-07 04:43:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2020-11-07 04:43:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:43:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:43:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:43:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-11-07 04:43:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2020-11-07 04:43:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:43:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-11-07 04:43:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2020-11-07 04:43:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2020-11-07 04:43:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:43:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-11-07 04:43:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2020-11-07 04:43:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:18,521 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 110 proven. 57 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2020-11-07 04:43:18,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1524471261] [2020-11-07 04:43:18,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:43:18,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-11-07 04:43:18,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685539709] [2020-11-07 04:43:18,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-11-07 04:43:18,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:43:18,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-11-07 04:43:18,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2020-11-07 04:43:18,525 INFO L87 Difference]: Start difference. First operand 6405 states and 7058 transitions. Second operand 24 states. [2020-11-07 04:43:19,464 WARN L194 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:43:20,104 WARN L194 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:43:20,588 WARN L194 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:43:21,068 WARN L194 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:21,499 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:43:21,907 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:23,245 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:43:27,375 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:27,900 WARN L194 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:28,513 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:28,976 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:29,400 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:29,842 WARN L194 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:30,343 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:30,823 WARN L194 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:31,274 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:31,762 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:32,209 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:32,688 WARN L194 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:33,559 WARN L194 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:43:34,551 WARN L194 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:43:35,424 WARN L194 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:43:43,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:43:43,642 INFO L93 Difference]: Finished difference Result 13700 states and 15811 transitions. [2020-11-07 04:43:43,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-11-07 04:43:43,643 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 621 [2020-11-07 04:43:43,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:43:43,687 INFO L225 Difference]: With dead ends: 13700 [2020-11-07 04:43:43,687 INFO L226 Difference]: Without dead ends: 8016 [2020-11-07 04:43:43,706 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 157 SyntacticMatches, 4 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2113 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=1317, Invalid=5823, Unknown=0, NotChecked=0, Total=7140 [2020-11-07 04:43:43,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8016 states. [2020-11-07 04:43:46,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8016 to 6175. [2020-11-07 04:43:46,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6175 states. [2020-11-07 04:43:46,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6175 states to 6175 states and 6773 transitions. [2020-11-07 04:43:46,517 INFO L78 Accepts]: Start accepts. Automaton has 6175 states and 6773 transitions. Word has length 621 [2020-11-07 04:43:46,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:43:46,518 INFO L481 AbstractCegarLoop]: Abstraction has 6175 states and 6773 transitions. [2020-11-07 04:43:46,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-11-07 04:43:46,519 INFO L276 IsEmpty]: Start isEmpty. Operand 6175 states and 6773 transitions. [2020-11-07 04:43:46,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2020-11-07 04:43:46,540 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:43:46,540 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] [2020-11-07 04:43:46,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-07 04:43:46,541 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:43:46,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:43:46,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1878382290, now seen corresponding path program 1 times [2020-11-07 04:43:46,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:43:46,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1330425997] [2020-11-07 04:43:46,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:43:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,161 WARN L194 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:43:47,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:43:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:43:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:43:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:43:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:43:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:43:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:43:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:43:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:43:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:43:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:43:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-11-07 04:43:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-11-07 04:43:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2020-11-07 04:43:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:43:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:43:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:43:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:43:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2020-11-07 04:43:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2020-11-07 04:43:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:43:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:43:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:43:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-11-07 04:43:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-11-07 04:43:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2020-11-07 04:43:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2020-11-07 04:43:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:43:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-11-07 04:43:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2020-11-07 04:43:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2020-11-07 04:43:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:43:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2020-11-07 04:43:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2020-11-07 04:43:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,299 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 163 proven. 34 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2020-11-07 04:43:48,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1330425997] [2020-11-07 04:43:48,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:43:48,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-11-07 04:43:48,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606807686] [2020-11-07 04:43:48,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-11-07 04:43:48,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:43:48,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-11-07 04:43:48,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2020-11-07 04:43:48,301 INFO L87 Difference]: Start difference. First operand 6175 states and 6773 transitions. Second operand 24 states. [2020-11-07 04:43:49,150 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:43:49,730 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:43:50,151 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:43:50,681 WARN L194 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:51,089 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:43:51,499 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:52,861 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:43:56,977 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:57,494 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:58,101 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:58,557 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:59,011 WARN L194 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:59,468 WARN L194 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:59,886 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:44:00,361 WARN L194 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:44:00,791 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:44:01,303 WARN L194 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:44:01,759 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:44:02,337 WARN L194 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:44:05,608 WARN L194 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:44:06,463 WARN L194 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:44:07,274 WARN L194 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:44:12,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:44:12,427 INFO L93 Difference]: Finished difference Result 12894 states and 14844 transitions. [2020-11-07 04:44:12,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-11-07 04:44:12,427 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 630 [2020-11-07 04:44:12,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:44:12,461 INFO L225 Difference]: With dead ends: 12894 [2020-11-07 04:44:12,461 INFO L226 Difference]: Without dead ends: 7440 [2020-11-07 04:44:12,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 165 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2135 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=1335, Invalid=5975, Unknown=0, NotChecked=0, Total=7310 [2020-11-07 04:44:12,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7440 states. [2020-11-07 04:44:15,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7440 to 5625. [2020-11-07 04:44:15,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5625 states. [2020-11-07 04:44:15,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5625 states to 5625 states and 6163 transitions. [2020-11-07 04:44:15,318 INFO L78 Accepts]: Start accepts. Automaton has 5625 states and 6163 transitions. Word has length 630 [2020-11-07 04:44:15,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:44:15,319 INFO L481 AbstractCegarLoop]: Abstraction has 5625 states and 6163 transitions. [2020-11-07 04:44:15,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-11-07 04:44:15,319 INFO L276 IsEmpty]: Start isEmpty. Operand 5625 states and 6163 transitions. [2020-11-07 04:44:15,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2020-11-07 04:44:15,337 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:44:15,338 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] [2020-11-07 04:44:15,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-07 04:44:15,338 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:44:15,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:44:15,339 INFO L82 PathProgramCache]: Analyzing trace with hash 2000075985, now seen corresponding path program 1 times [2020-11-07 04:44:15,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:44:15,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [754095377] [2020-11-07 04:44:15,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:44:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:15,793 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:44:15,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:15,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:44:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:15,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:44:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:15,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:44:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:15,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:44:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:15,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:44:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:15,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:44:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:15,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:44:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:15,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:44:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:15,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:15,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:15,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:44:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:15,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:15,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:15,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:15,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:15,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:44:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:15,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:15,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:15,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:15,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:44:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:44:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-11-07 04:44:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:44:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:44:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:44:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:44:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2020-11-07 04:44:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2020-11-07 04:44:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2020-11-07 04:44:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:44:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:44:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:44:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-11-07 04:44:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-11-07 04:44:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2020-11-07 04:44:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2020-11-07 04:44:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2020-11-07 04:44:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:44:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2020-11-07 04:44:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2020-11-07 04:44:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:16,693 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 125 proven. 38 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2020-11-07 04:44:16,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [754095377] [2020-11-07 04:44:16,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:44:16,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:44:16,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086093639] [2020-11-07 04:44:16,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:44:16,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:44:16,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:44:16,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:44:16,695 INFO L87 Difference]: Start difference. First operand 5625 states and 6163 transitions. Second operand 18 states. [2020-11-07 04:44:19,555 WARN L194 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:44:19,997 WARN L194 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:44:20,447 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:44:20,913 WARN L194 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:44:21,338 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:44:21,759 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:44:24,333 WARN L194 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:44:24,888 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:44:35,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:44:35,645 INFO L93 Difference]: Finished difference Result 18237 states and 21741 transitions. [2020-11-07 04:44:35,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-11-07 04:44:35,645 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 575 [2020-11-07 04:44:35,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:44:35,704 INFO L225 Difference]: With dead ends: 18237 [2020-11-07 04:44:35,704 INFO L226 Difference]: Without dead ends: 11435 [2020-11-07 04:44:35,726 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 155 SyntacticMatches, 6 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1299 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=885, Invalid=3405, Unknown=0, NotChecked=0, Total=4290 [2020-11-07 04:44:35,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11435 states. [2020-11-07 04:44:39,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11435 to 7453. [2020-11-07 04:44:39,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7453 states. [2020-11-07 04:44:39,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7453 states to 7453 states and 8277 transitions. [2020-11-07 04:44:39,306 INFO L78 Accepts]: Start accepts. Automaton has 7453 states and 8277 transitions. Word has length 575 [2020-11-07 04:44:39,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:44:39,307 INFO L481 AbstractCegarLoop]: Abstraction has 7453 states and 8277 transitions. [2020-11-07 04:44:39,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:44:39,307 INFO L276 IsEmpty]: Start isEmpty. Operand 7453 states and 8277 transitions. [2020-11-07 04:44:39,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2020-11-07 04:44:39,329 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:44:39,330 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 04:44:39,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-07 04:44:39,330 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:44:39,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:44:39,331 INFO L82 PathProgramCache]: Analyzing trace with hash 112121240, now seen corresponding path program 1 times [2020-11-07 04:44:39,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:44:39,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [481668139] [2020-11-07 04:44:39,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:44:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:39,799 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:44:39,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:39,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:44:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:39,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:44:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:39,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:44:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:39,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:44:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:39,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:44:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:39,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:44:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:39,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:44:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:39,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:44:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:39,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:39,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:39,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:44:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:39,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:39,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:39,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:39,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:39,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:44:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:44:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:44:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-11-07 04:44:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:44:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:44:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:44:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:44:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:44:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2020-11-07 04:44:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2020-11-07 04:44:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2020-11-07 04:44:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:44:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:44:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:44:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2020-11-07 04:44:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2020-11-07 04:44:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2020-11-07 04:44:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2020-11-07 04:44:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2020-11-07 04:44:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:44:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2020-11-07 04:44:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2020-11-07 04:44:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:40,477 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 134 proven. 47 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2020-11-07 04:44:40,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [481668139] [2020-11-07 04:44:40,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:44:40,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-11-07 04:44:40,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338463102] [2020-11-07 04:44:40,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-11-07 04:44:40,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:44:40,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-11-07 04:44:40,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2020-11-07 04:44:40,479 INFO L87 Difference]: Start difference. First operand 7453 states and 8277 transitions. Second operand 20 states. [2020-11-07 04:44:41,445 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:44:42,001 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:44:42,442 WARN L194 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:44:42,875 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:44:43,306 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:44:43,723 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:44:45,193 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:44:45,656 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:44:48,247 WARN L194 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:44:48,748 WARN L194 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:44:49,240 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:44:49,961 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:44:51,630 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:44:52,076 WARN L194 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:44:54,266 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:44:54,708 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:44:55,120 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:44:59,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:44:59,768 INFO L93 Difference]: Finished difference Result 16659 states and 19557 transitions. [2020-11-07 04:44:59,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-11-07 04:44:59,772 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 585 [2020-11-07 04:44:59,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:44:59,813 INFO L225 Difference]: With dead ends: 16659 [2020-11-07 04:44:59,813 INFO L226 Difference]: Without dead ends: 9927 [2020-11-07 04:44:59,835 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1443 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=933, Invalid=4037, Unknown=0, NotChecked=0, Total=4970 [2020-11-07 04:44:59,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9927 states. [2020-11-07 04:45:03,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9927 to 7339. [2020-11-07 04:45:03,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7339 states. [2020-11-07 04:45:03,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7339 states to 7339 states and 8119 transitions. [2020-11-07 04:45:03,103 INFO L78 Accepts]: Start accepts. Automaton has 7339 states and 8119 transitions. Word has length 585 [2020-11-07 04:45:03,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:45:03,104 INFO L481 AbstractCegarLoop]: Abstraction has 7339 states and 8119 transitions. [2020-11-07 04:45:03,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-11-07 04:45:03,104 INFO L276 IsEmpty]: Start isEmpty. Operand 7339 states and 8119 transitions. [2020-11-07 04:45:03,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2020-11-07 04:45:03,130 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:45:03,130 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, 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] [2020-11-07 04:45:03,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-07 04:45:03,131 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:45:03,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:45:03,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1747767962, now seen corresponding path program 1 times [2020-11-07 04:45:03,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:45:03,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [170935042] [2020-11-07 04:45:03,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:45:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,597 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:45:03,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:45:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:45:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:45:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:45:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:45:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:45:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:45:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:45:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:45:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:45:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:45:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:45:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:45:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-11-07 04:45:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:45:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:45:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:45:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:45:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:03,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:45:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:45:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2020-11-07 04:45:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2020-11-07 04:45:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2020-11-07 04:45:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:45:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:45:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:45:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2020-11-07 04:45:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2020-11-07 04:45:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2020-11-07 04:45:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2020-11-07 04:45:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:45:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:45:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2020-11-07 04:45:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-11-07 04:45:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:04,503 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 138 proven. 66 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2020-11-07 04:45:04,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [170935042] [2020-11-07 04:45:04,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:45:04,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:45:04,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448214606] [2020-11-07 04:45:04,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:45:04,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:45:04,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:45:04,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:45:04,505 INFO L87 Difference]: Start difference. First operand 7339 states and 8119 transitions. Second operand 18 states. [2020-11-07 04:45:05,446 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:45:07,764 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:45:08,216 WARN L194 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:45:09,083 WARN L194 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:45:09,534 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:45:10,389 WARN L194 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-11-07 04:45:10,827 WARN L194 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:45:11,634 WARN L194 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:45:12,127 WARN L194 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:45:12,754 WARN L194 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:45:13,280 WARN L194 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-11-07 04:45:13,787 WARN L194 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:45:14,192 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:45:16,162 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:45:16,659 WARN L194 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:45:17,586 WARN L194 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:45:18,470 WARN L194 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 214 [2020-11-07 04:45:19,342 WARN L194 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:45:20,347 WARN L194 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:45:20,827 WARN L194 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:45:26,316 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:45:27,544 WARN L194 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:45:28,024 WARN L194 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:45:28,840 WARN L194 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:45:29,698 WARN L194 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:45:30,509 WARN L194 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:45:41,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:45:41,564 INFO L93 Difference]: Finished difference Result 19354 states and 23283 transitions. [2020-11-07 04:45:41,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2020-11-07 04:45:41,565 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 582 [2020-11-07 04:45:41,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:45:41,623 INFO L225 Difference]: With dead ends: 19354 [2020-11-07 04:45:41,624 INFO L226 Difference]: Without dead ends: 14904 [2020-11-07 04:45:41,647 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 186 SyntacticMatches, 10 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4776 ImplicationChecksByTransitivity, 17.2s TimeCoverageRelationStatistics Valid=2149, Invalid=10961, Unknown=0, NotChecked=0, Total=13110 [2020-11-07 04:45:41,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14904 states. [2020-11-07 04:45:46,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14904 to 10455. [2020-11-07 04:45:46,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10455 states. [2020-11-07 04:45:46,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10455 states to 10455 states and 11497 transitions. [2020-11-07 04:45:46,507 INFO L78 Accepts]: Start accepts. Automaton has 10455 states and 11497 transitions. Word has length 582 [2020-11-07 04:45:46,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:45:46,508 INFO L481 AbstractCegarLoop]: Abstraction has 10455 states and 11497 transitions. [2020-11-07 04:45:46,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:45:46,508 INFO L276 IsEmpty]: Start isEmpty. Operand 10455 states and 11497 transitions. [2020-11-07 04:45:46,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2020-11-07 04:45:46,539 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:45:46,539 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:45:46,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-07 04:45:46,540 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:45:46,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:45:46,540 INFO L82 PathProgramCache]: Analyzing trace with hash -502353921, now seen corresponding path program 1 times [2020-11-07 04:45:46,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:45:46,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [585462566] [2020-11-07 04:45:46,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:45:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,184 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:45:47,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:45:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:45:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:45:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:45:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:45:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:45:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:45:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:45:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:45:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:45:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:45:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:45:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:45:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-11-07 04:45:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:45:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:45:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:45:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:45:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:45:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:45:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2020-11-07 04:45:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2020-11-07 04:45:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2020-11-07 04:45:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:45:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:45:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:45:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:45:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:45:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2020-11-07 04:45:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-11-07 04:45:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2020-11-07 04:45:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:45:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:45:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:45:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:45:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2020-11-07 04:45:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2020-11-07 04:45:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2020-11-07 04:45:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2020-11-07 04:45:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2020-11-07 04:45:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:45:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:45:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 692 [2020-11-07 04:45:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:47,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 702 [2020-11-07 04:45:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:48,209 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 214 proven. 80 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2020-11-07 04:45:48,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [585462566] [2020-11-07 04:45:48,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:45:48,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-11-07 04:45:48,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039501137] [2020-11-07 04:45:48,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-11-07 04:45:48,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:45:48,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-11-07 04:45:48,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2020-11-07 04:45:48,211 INFO L87 Difference]: Start difference. First operand 10455 states and 11497 transitions. Second operand 20 states. [2020-11-07 04:45:49,088 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:45:50,420 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:45:52,256 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:45:52,727 WARN L194 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:45:53,562 WARN L194 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:45:54,021 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:45:54,848 WARN L194 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:45:55,305 WARN L194 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:45:56,103 WARN L194 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:45:56,604 WARN L194 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:45:57,075 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:45:57,497 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:45:57,958 WARN L194 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:46:00,009 WARN L194 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:46:00,470 WARN L194 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:46:13,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:46:13,464 INFO L93 Difference]: Finished difference Result 21722 states and 25525 transitions. [2020-11-07 04:46:13,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-11-07 04:46:13,465 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 716 [2020-11-07 04:46:13,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:46:13,527 INFO L225 Difference]: With dead ends: 21722 [2020-11-07 04:46:13,527 INFO L226 Difference]: Without dead ends: 15010 [2020-11-07 04:46:13,550 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 200 SyntacticMatches, 8 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2340 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=1373, Invalid=5599, Unknown=0, NotChecked=0, Total=6972 [2020-11-07 04:46:13,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15010 states. [2020-11-07 04:46:18,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15010 to 10651. [2020-11-07 04:46:18,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10651 states. [2020-11-07 04:46:18,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10651 states to 10651 states and 11663 transitions. [2020-11-07 04:46:18,513 INFO L78 Accepts]: Start accepts. Automaton has 10651 states and 11663 transitions. Word has length 716 [2020-11-07 04:46:18,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:46:18,514 INFO L481 AbstractCegarLoop]: Abstraction has 10651 states and 11663 transitions. [2020-11-07 04:46:18,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-11-07 04:46:18,515 INFO L276 IsEmpty]: Start isEmpty. Operand 10651 states and 11663 transitions. [2020-11-07 04:46:18,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2020-11-07 04:46:18,540 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:46:18,541 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] [2020-11-07 04:46:18,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-07 04:46:18,541 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:46:18,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:46:18,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1435829947, now seen corresponding path program 1 times [2020-11-07 04:46:18,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:46:18,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [715878581] [2020-11-07 04:46:18,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:46:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,032 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:46:19,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:46:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:46:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:46:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:46:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:46:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:46:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:46:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:46:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:46:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:46:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:46:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:46:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:46:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:46:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:46:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:46:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:46:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:46:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:46:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:46:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:46:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:46:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:46:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-11-07 04:46:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:46:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:46:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:46:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:46:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:46:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:46:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:46:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:46:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:46:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:46:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:46:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:46:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:46:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:46:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2020-11-07 04:46:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2020-11-07 04:46:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2020-11-07 04:46:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:46:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:46:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:46:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:46:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:46:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:46:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:46:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:46:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:46:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:46:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2020-11-07 04:46:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2020-11-07 04:46:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2020-11-07 04:46:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2020-11-07 04:46:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:46:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:46:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:46:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:46:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:46:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2020-11-07 04:46:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2020-11-07 04:46:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2020-11-07 04:46:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:46:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2020-11-07 04:46:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:46:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:46:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:46:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:46:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:46:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:46:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:46:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:46:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2020-11-07 04:46:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2020-11-07 04:46:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:19,875 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 178 proven. 62 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2020-11-07 04:46:19,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [715878581] [2020-11-07 04:46:19,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:46:19,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:46:19,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715689931] [2020-11-07 04:46:19,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:46:19,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:46:19,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:46:19,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:46:19,878 INFO L87 Difference]: Start difference. First operand 10651 states and 11663 transitions. Second operand 19 states. [2020-11-07 04:46:21,351 WARN L194 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:46:23,187 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:46:29,285 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:46:29,789 WARN L194 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-11-07 04:46:30,228 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:46:30,663 WARN L194 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:46:31,079 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:46:31,810 WARN L194 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-07 04:46:41,013 WARN L194 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:46:41,474 WARN L194 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:46:41,918 WARN L194 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:46:42,378 WARN L194 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:46:42,804 WARN L194 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:46:45,117 WARN L194 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 210 [2020-11-07 04:46:45,958 WARN L194 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-11-07 04:46:51,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:46:51,910 INFO L93 Difference]: Finished difference Result 31776 states and 37162 transitions. [2020-11-07 04:46:51,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2020-11-07 04:46:51,911 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 667 [2020-11-07 04:46:51,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:46:51,995 INFO L225 Difference]: With dead ends: 31776 [2020-11-07 04:46:51,995 INFO L226 Difference]: Without dead ends: 21439 [2020-11-07 04:46:52,025 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 187 SyntacticMatches, 10 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2945 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=1774, Invalid=7346, Unknown=0, NotChecked=0, Total=9120 [2020-11-07 04:46:52,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21439 states. [2020-11-07 04:46:59,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21439 to 14314. [2020-11-07 04:46:59,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14314 states. [2020-11-07 04:46:59,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14314 states to 14314 states and 15631 transitions. [2020-11-07 04:46:59,245 INFO L78 Accepts]: Start accepts. Automaton has 14314 states and 15631 transitions. Word has length 667 [2020-11-07 04:46:59,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:46:59,246 INFO L481 AbstractCegarLoop]: Abstraction has 14314 states and 15631 transitions. [2020-11-07 04:46:59,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:46:59,246 INFO L276 IsEmpty]: Start isEmpty. Operand 14314 states and 15631 transitions. [2020-11-07 04:46:59,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2020-11-07 04:46:59,268 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:46:59,268 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] [2020-11-07 04:46:59,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-07 04:46:59,269 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:46:59,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:46:59,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1814109979, now seen corresponding path program 1 times [2020-11-07 04:46:59,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:46:59,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1395237975] [2020-11-07 04:46:59,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:46:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,737 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:46:59,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:46:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:46:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:46:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:46:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:46:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:46:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:46:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:46:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:46:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:46:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:46:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:46:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:46:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:46:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:46:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:46:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:46:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:46:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:46:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:46:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:46:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:46:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:46:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-11-07 04:46:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:46:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:46:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:46:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:46:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:46:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:46:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:46:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:46:59,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:47:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:47:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:47:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:47:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:47:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:47:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:47:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2020-11-07 04:47:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2020-11-07 04:47:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2020-11-07 04:47:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:47:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:47:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:47:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:47:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:47:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:47:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:47:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:47:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:47:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:47:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2020-11-07 04:47:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2020-11-07 04:47:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2020-11-07 04:47:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2020-11-07 04:47:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:47:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:47:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:47:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:47:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:47:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2020-11-07 04:47:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2020-11-07 04:47:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2020-11-07 04:47:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:47:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2020-11-07 04:47:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:47:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:47:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:47:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:47:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:47:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:47:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:47:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:47:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2020-11-07 04:47:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2020-11-07 04:47:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:47:00,415 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 165 proven. 12 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2020-11-07 04:47:00,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1395237975] [2020-11-07 04:47:00,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:47:00,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:47:00,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147294805] [2020-11-07 04:47:00,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:47:00,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:47:00,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:47:00,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:47:00,418 INFO L87 Difference]: Start difference. First operand 14314 states and 15631 transitions. Second operand 19 states. [2020-11-07 04:47:01,503 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:47:01,939 WARN L194 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:47:02,368 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:47:02,772 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:47:03,170 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:47:08,708 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:47:09,119 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:47:09,543 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:47:09,953 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:47:10,358 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:47:10,765 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:47:12,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:47:12,557 INFO L93 Difference]: Finished difference Result 17165 states and 19003 transitions. [2020-11-07 04:47:12,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-11-07 04:47:12,558 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 667 [2020-11-07 04:47:12,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:47:12,563 INFO L225 Difference]: With dead ends: 17165 [2020-11-07 04:47:12,564 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 04:47:12,593 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=574, Invalid=1778, Unknown=0, NotChecked=0, Total=2352 [2020-11-07 04:47:12,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 04:47:12,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 04:47:12,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 04:47:12,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 04:47:12,596 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 667 [2020-11-07 04:47:12,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:47:12,597 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 04:47:12,597 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:47:12,597 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 04:47:12,597 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 04:47:12,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-07 04:47:12,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 04:47:13,120 WARN L194 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2020-11-07 04:47:13,466 WARN L194 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2020-11-07 04:47:13,801 WARN L194 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:47:14,116 WARN L194 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 224 [2020-11-07 04:47:14,547 WARN L194 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-11-07 04:47:15,254 WARN L194 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-11-07 04:47:16,475 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-11-07 04:47:16,764 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:47:16,942 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 224 [2020-11-07 04:47:17,201 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-11-07 04:47:17,895 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 237 [2020-11-07 04:47:18,138 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 243 [2020-11-07 04:47:18,287 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 240 [2020-11-07 04:47:18,450 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 241 [2020-11-07 04:47:19,421 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 256 [2020-11-07 04:47:20,418 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 237 [2020-11-07 04:47:20,746 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 234 [2020-11-07 04:47:20,909 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 240 [2020-11-07 04:47:23,629 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 236 [2020-11-07 04:47:34,716 WARN L194 SmtUtils]: Spent 10.43 s on a formula simplification. DAG size of input: 1207 DAG size of output: 856 [2020-11-07 04:47:34,862 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2020-11-07 04:47:46,005 WARN L194 SmtUtils]: Spent 10.38 s on a formula simplification. DAG size of input: 1207 DAG size of output: 856 [2020-11-07 04:47:46,219 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 240 [2020-11-07 04:47:46,513 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 243 [2020-11-07 04:47:46,648 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 240 [2020-11-07 04:47:47,040 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 242 [2020-11-07 04:47:47,494 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 263 [2020-11-07 04:47:58,427 WARN L194 SmtUtils]: Spent 10.32 s on a formula simplification. DAG size of input: 1207 DAG size of output: 856 [2020-11-07 04:48:04,086 WARN L194 SmtUtils]: Spent 5.65 s on a formula simplification. DAG size of input: 1048 DAG size of output: 692 [2020-11-07 04:48:04,905 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 221 [2020-11-07 04:48:05,242 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-11-07 04:48:05,827 WARN L194 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-11-07 04:48:07,492 WARN L194 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:48:07,822 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:48:07,979 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-11-07 04:48:08,179 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 225 [2020-11-07 04:48:08,635 WARN L194 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 270 [2020-11-07 04:48:08,861 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 229 [2020-11-07 04:48:09,144 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-11-07 04:48:11,168 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-11-07 04:48:11,789 WARN L194 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 276 [2020-11-07 04:48:13,666 WARN L194 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 248 [2020-11-07 04:48:14,051 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 246 [2020-11-07 04:48:14,259 WARN L194 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 250 [2020-11-07 04:48:14,483 WARN L194 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 249 [2020-11-07 04:48:15,000 WARN L194 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 273 [2020-11-07 04:48:15,261 WARN L194 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 247 [2020-11-07 04:48:15,587 WARN L194 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 250 [2020-11-07 04:48:16,300 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:48:17,142 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:48:17,307 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:48:17,468 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:48:17,713 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 229 [2020-11-07 04:48:17,988 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 221 [2020-11-07 04:48:18,248 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:48:18,422 WARN L194 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:48:18,586 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:48:18,775 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:48:18,935 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:48:19,362 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 229 [2020-11-07 04:48:19,551 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 229 [2020-11-07 04:48:19,708 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 229 [2020-11-07 04:48:21,640 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 219 [2020-11-07 04:48:23,085 WARN L194 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-11-07 04:48:24,638 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:48:24,974 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:48:25,128 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-11-07 04:48:25,316 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 225 [2020-11-07 04:48:25,764 WARN L194 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 270 [2020-11-07 04:48:25,972 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 229 [2020-11-07 04:48:26,263 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-11-07 04:48:26,565 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-11-07 04:48:26,791 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:48:26,919 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 224 [2020-11-07 04:48:27,239 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-11-07 04:48:28,436 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-11-07 04:48:28,808 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-11-07 04:48:39,356 WARN L194 SmtUtils]: Spent 10.09 s on a formula simplification. DAG size of input: 1207 DAG size of output: 856 [2020-11-07 04:48:40,545 WARN L194 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 243 [2020-11-07 04:48:40,771 WARN L194 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 247 [2020-11-07 04:48:41,550 WARN L194 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 247 [2020-11-07 04:48:42,034 WARN L194 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 243 [2020-11-07 04:48:42,349 WARN L194 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 243 [2020-11-07 04:48:42,585 WARN L194 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 243 [2020-11-07 04:48:43,048 WARN L194 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 247 [2020-11-07 04:48:43,415 WARN L194 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 247 [2020-11-07 04:48:43,875 WARN L194 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 243 [2020-11-07 04:48:44,440 WARN L194 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 243 [2020-11-07 04:48:44,675 WARN L194 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 243 [2020-11-07 04:48:44,978 WARN L194 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 243 [2020-11-07 04:48:45,278 WARN L194 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 247 [2020-11-07 04:48:45,747 WARN L194 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 243 [2020-11-07 04:48:55,297 WARN L194 SmtUtils]: Spent 9.02 s on a formula simplification. DAG size of input: 1162 DAG size of output: 823 [2020-11-07 04:48:56,218 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-11-07 04:48:56,492 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:48:56,649 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 224 [2020-11-07 04:48:56,826 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-11-07 04:48:59,204 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 236 [2020-11-07 04:48:59,433 WARN L194 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 238 [2020-11-07 04:49:00,247 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:49:00,406 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 224 [2020-11-07 04:49:00,640 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-11-07 04:49:01,119 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-11-07 04:49:09,497 WARN L194 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 230 [2020-11-07 04:49:09,712 WARN L194 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 223 [2020-11-07 04:49:10,391 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 223 [2020-11-07 04:49:10,639 WARN L194 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 223 [2020-11-07 04:49:11,312 WARN L194 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 230 [2020-11-07 04:49:11,516 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 223 [2020-11-07 04:49:11,723 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 223 [2020-11-07 04:49:11,929 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 223 [2020-11-07 04:49:12,135 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 223 [2020-11-07 04:49:12,339 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 223 [2020-11-07 04:49:12,575 WARN L194 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 230 [2020-11-07 04:49:12,957 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 264 [2020-11-07 04:49:13,152 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 264 [2020-11-07 04:49:13,456 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 223 [2020-11-07 04:49:13,684 WARN L194 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 230 [2020-11-07 04:49:14,048 WARN L194 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 230 [2020-11-07 04:49:15,109 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 221 [2020-11-07 04:49:15,416 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-11-07 04:49:15,856 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 229 [2020-11-07 04:49:16,072 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 229 [2020-11-07 04:49:16,750 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:49:16,985 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 225 [2020-11-07 04:49:17,171 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:49:17,402 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 225 [2020-11-07 04:49:17,698 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:49:18,237 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:49:18,384 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-11-07 04:49:18,702 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:49:18,857 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:49:19,272 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-11-07 04:49:19,420 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-11-07 04:49:19,559 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:49:19,802 WARN L194 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 270 [2020-11-07 04:49:20,036 WARN L194 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 270 [2020-11-07 04:49:20,210 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 225 [2020-11-07 04:49:20,387 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:49:20,538 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:49:20,693 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:49:21,040 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-11-07 04:49:21,187 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-11-07 04:49:21,341 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 229 [2020-11-07 04:49:21,703 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:49:21,857 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:49:22,011 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:49:22,171 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-11-07 04:49:22,324 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:49:22,630 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-11-07 04:49:23,119 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:49:23,295 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-11-07 04:49:23,482 WARN L194 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-11-07 04:49:23,637 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 229 [2020-11-07 04:49:32,352 WARN L194 SmtUtils]: Spent 8.69 s on a formula simplification. DAG size of input: 1162 DAG size of output: 823 [2020-11-07 04:49:37,811 WARN L194 SmtUtils]: Spent 5.46 s on a formula simplification. DAG size of input: 1048 DAG size of output: 692 [2020-11-07 04:49:44,759 WARN L194 SmtUtils]: Spent 6.94 s on a formula simplification. DAG size of input: 930 DAG size of output: 676 [2020-11-07 04:49:45,992 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-11-07 04:49:46,345 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-11-07 04:49:47,381 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-11-07 04:49:47,722 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 233 [2020-11-07 04:49:54,336 WARN L194 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 236 [2020-11-07 04:49:54,514 WARN L194 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 236 [2020-11-07 04:49:54,704 WARN L194 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 238 [2020-11-07 04:49:54,896 WARN L194 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 238 [2020-11-07 04:49:55,381 WARN L194 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 236 [2020-11-07 04:49:55,560 WARN L194 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 236 [2020-11-07 04:50:12,972 WARN L194 SmtUtils]: Spent 16.30 s on a formula simplification. DAG size of input: 1508 DAG size of output: 1085 [2020-11-07 04:50:22,817 WARN L194 SmtUtils]: Spent 9.84 s on a formula simplification. DAG size of input: 1207 DAG size of output: 856 [2020-11-07 04:50:23,169 WARN L194 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 273 [2020-11-07 04:50:23,280 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 261 [2020-11-07 04:50:23,407 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 263 [2020-11-07 04:50:24,937 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 242 [2020-11-07 04:50:25,288 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 240 [2020-11-07 04:50:25,474 WARN L194 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 244 [2020-11-07 04:50:25,713 WARN L194 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 243 [2020-11-07 04:50:26,197 WARN L194 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 272 [2020-11-07 04:50:26,436 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 242 [2020-11-07 04:50:26,751 WARN L194 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 245 [2020-11-07 04:50:28,212 WARN L194 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 236 [2020-11-07 04:50:28,449 WARN L194 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 236 [2020-11-07 04:50:28,682 WARN L194 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 228 [2020-11-07 04:50:28,836 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 225 [2020-11-07 04:50:29,168 WARN L194 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 238 [2020-11-07 04:50:29,347 WARN L194 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 238 [2020-11-07 04:50:29,730 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 225 [2020-11-07 04:50:30,120 WARN L194 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 228 [2020-11-07 04:50:30,373 WARN L194 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 228 [2020-11-07 04:50:30,556 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 228 [2020-11-07 04:50:30,890 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 225 [2020-11-07 04:50:31,148 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 225 [2020-11-07 04:50:31,554 WARN L194 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 228 [2020-11-07 04:50:31,986 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 228 [2020-11-07 04:50:32,169 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 228 [2020-11-07 04:50:32,436 WARN L194 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 228 [2020-11-07 04:50:32,658 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 225 [2020-11-07 04:50:32,952 WARN L194 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 236 [2020-11-07 04:50:33,139 WARN L194 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 236 [2020-11-07 04:50:33,335 WARN L194 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 228 [2020-11-07 04:50:34,258 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-11-07 04:50:34,526 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:50:34,682 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 224 [2020-11-07 04:50:34,907 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-11-07 04:50:35,547 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 237 [2020-11-07 04:50:37,251 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-11-07 04:50:37,598 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 234 [2020-11-07 04:50:39,098 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-11-07 04:50:39,434 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 234 [2020-11-07 04:50:42,587 WARN L194 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 272 [2020-11-07 04:50:43,977 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 231 [2020-11-07 04:50:44,344 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 228 [2020-11-07 04:50:44,494 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 230 [2020-11-07 04:50:44,770 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 225 [2020-11-07 04:50:45,126 WARN L194 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 272 [2020-11-07 04:50:45,512 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-07 04:50:45,833 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 232 [2020-11-07 04:50:46,233 WARN L194 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 272 [2020-11-07 04:50:47,625 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 231 [2020-11-07 04:50:47,995 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 228 [2020-11-07 04:50:48,143 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 230 [2020-11-07 04:50:48,418 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 225 [2020-11-07 04:50:48,768 WARN L194 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 272 [2020-11-07 04:50:49,155 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-07 04:50:49,478 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 232 [2020-11-07 04:50:50,626 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-11-07 04:50:51,978 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-11-07 04:51:01,609 WARN L194 SmtUtils]: Spent 8.96 s on a formula simplification. DAG size of input: 1166 DAG size of output: 825 [2020-11-07 04:51:02,457 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 238 [2020-11-07 04:51:02,801 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 239 [2020-11-07 04:51:14,610 WARN L194 SmtUtils]: Spent 10.01 s on a formula simplification. DAG size of input: 1207 DAG size of output: 856 [2020-11-07 04:51:15,919 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-11-07 04:51:16,297 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:51:16,457 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 224 [2020-11-07 04:51:16,671 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-11-07 04:51:17,092 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 240 [2020-11-07 04:51:17,317 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 244 [2020-11-07 04:51:17,455 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 240 [2020-11-07 04:51:17,618 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 242 [2020-11-07 04:51:17,874 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 238 [2020-11-07 04:51:18,099 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 243 [2020-11-07 04:51:18,251 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 240 [2020-11-07 04:51:18,421 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 242 [2020-11-07 04:51:18,671 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 238 [2020-11-07 04:51:18,897 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 243 [2020-11-07 04:51:19,043 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 240 [2020-11-07 04:51:19,206 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 242 [2020-11-07 04:51:19,455 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2020-11-07 04:51:19,644 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 268 [2020-11-07 04:51:19,801 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 268 [2020-11-07 04:51:19,958 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 266 [2020-11-07 04:51:30,632 WARN L194 SmtUtils]: Spent 10.07 s on a formula simplification. DAG size of input: 1207 DAG size of output: 856 [2020-11-07 04:51:32,718 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 240 [2020-11-07 04:51:33,223 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 243 [2020-11-07 04:51:33,438 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 240 [2020-11-07 04:51:33,664 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 242 [2020-11-07 04:51:43,453 WARN L194 SmtUtils]: Spent 9.19 s on a formula simplification. DAG size of input: 1041 DAG size of output: 777 [2020-11-07 04:51:45,708 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:51:48,138 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 263 [2020-11-07 04:51:51,078 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-11-07 04:51:51,446 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-11-07 04:51:51,916 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-11-07 04:51:52,275 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-11-07 04:51:52,658 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-11-07 04:51:52,816 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-11-07 04:51:53,007 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-11-07 04:51:53,265 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-11-07 04:51:53,425 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-11-07 04:51:53,586 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-11-07 04:52:00,033 WARN L194 SmtUtils]: Spent 5.52 s on a formula simplification. DAG size of input: 1048 DAG size of output: 692 [2020-11-07 04:52:02,048 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-11-07 04:52:02,435 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:52:02,594 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 224 [2020-11-07 04:52:02,806 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-11-07 04:52:12,585 WARN L194 SmtUtils]: Spent 9.13 s on a formula simplification. DAG size of input: 1162 DAG size of output: 823 [2020-11-07 04:52:19,755 WARN L194 SmtUtils]: Spent 7.17 s on a formula simplification. DAG size of input: 920 DAG size of output: 704 [2020-11-07 04:52:22,918 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-11-07 04:52:23,188 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:52:23,346 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 224 [2020-11-07 04:52:23,571 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-11-07 04:52:24,245 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:52:24,433 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-11-07 04:52:25,096 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-11-07 04:52:25,638 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:52:25,847 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:52:25,997 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:52:26,281 WARN L194 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-11-07 04:52:26,432 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-11-07 04:52:26,561 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 229 [2020-11-07 04:52:26,797 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-11-07 04:52:27,306 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:52:27,456 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:52:27,622 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:52:27,826 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:52:27,979 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:52:28,156 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-11-07 04:52:28,308 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-11-07 04:52:28,698 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 229 [2020-11-07 04:52:28,849 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-11-07 04:52:29,026 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 229 [2020-11-07 04:52:29,182 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 229 [2020-11-07 04:52:38,550 WARN L194 SmtUtils]: Spent 9.21 s on a formula simplification. DAG size of input: 1162 DAG size of output: 823 [2020-11-07 04:52:38,723 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-11-07 04:52:38,941 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:52:39,056 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 224 [2020-11-07 04:52:39,372 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-11-07 04:52:42,092 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-11-07 04:52:42,373 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:52:42,535 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 224 [2020-11-07 04:52:42,714 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-11-07 04:52:43,457 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 253 [2020-11-07 04:52:43,616 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 253 [2020-11-07 04:52:43,739 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 258 [2020-11-07 04:52:44,068 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 254 [2020-11-07 04:52:44,352 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 258 [2020-11-07 04:52:44,529 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 258 [2020-11-07 04:52:44,661 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 258 [2020-11-07 04:52:44,908 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 253 [2020-11-07 04:52:45,028 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 253 [2020-11-07 04:52:45,131 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:52:45,427 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 258 [2020-11-07 04:52:45,546 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 258 [2020-11-07 04:52:45,672 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 258 [2020-11-07 04:52:45,778 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:52:45,982 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:52:46,086 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 254 [2020-11-07 04:52:46,555 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:52:47,281 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 258 [2020-11-07 04:52:47,402 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 258 [2020-11-07 04:52:47,724 WARN L194 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-11-07 04:52:48,675 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-11-07 04:52:48,969 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-11-07 04:52:49,121 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-11-07 04:52:49,346 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 225 [2020-11-07 04:52:49,610 WARN L194 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 270 [2020-11-07 04:52:49,891 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 229 [2020-11-07 04:52:50,148 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-11-07 04:52:50,470 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 256 [2020-11-07 04:52:50,832 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 243 [2020-11-07 04:52:51,042 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 240 [2020-11-07 04:52:51,332 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 242 [2020-11-07 04:52:51,912 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 240 [2020-11-07 04:52:52,282 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 256 [2020-11-07 04:52:59,110 WARN L194 SmtUtils]: Spent 5.71 s on a formula simplification. DAG size of input: 1048 DAG size of output: 692 [2020-11-07 04:53:00,586 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-11-07 04:53:00,861 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:53:01,020 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 224 [2020-11-07 04:53:01,239 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-11-07 04:53:09,503 WARN L194 SmtUtils]: Spent 5.72 s on a formula simplification. DAG size of input: 1048 DAG size of output: 692 [2020-11-07 04:53:15,123 WARN L194 SmtUtils]: Spent 5.62 s on a formula simplification. DAG size of input: 1048 DAG size of output: 692 [2020-11-07 04:53:25,343 WARN L194 SmtUtils]: Spent 10.22 s on a formula simplification. DAG size of input: 1207 DAG size of output: 856 [2020-11-07 04:53:26,523 WARN L194 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 276 [2020-11-07 04:53:28,380 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 248 [2020-11-07 04:53:28,759 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 246 [2020-11-07 04:53:28,962 WARN L194 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 250 [2020-11-07 04:53:29,176 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 249 [2020-11-07 04:53:29,693 WARN L194 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 273 [2020-11-07 04:53:29,943 WARN L194 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 247 [2020-11-07 04:53:30,256 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 250 [2020-11-07 04:53:32,800 WARN L194 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 18 [2020-11-07 04:53:35,831 WARN L194 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 303 DAG size of output: 35 [2020-11-07 04:53:36,788 WARN L194 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 18 [2020-11-07 04:53:37,116 WARN L194 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-11-07 04:53:38,208 WARN L194 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 21 [2020-11-07 04:53:39,747 WARN L194 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 249 DAG size of output: 37 [2020-11-07 04:53:40,326 WARN L194 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 1 [2020-11-07 04:53:42,128 WARN L194 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 241 DAG size of output: 20 [2020-11-07 04:53:45,039 WARN L194 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 287 DAG size of output: 38 [2020-11-07 04:53:46,548 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 249 DAG size of output: 33 [2020-11-07 04:53:48,553 WARN L194 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 256 DAG size of output: 21 [2020-11-07 04:53:49,487 WARN L194 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 24 [2020-11-07 04:53:50,418 WARN L194 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 24 [2020-11-07 04:53:52,417 WARN L194 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 258 DAG size of output: 23 [2020-11-07 04:53:55,573 WARN L194 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 286 DAG size of output: 37 [2020-11-07 04:53:57,577 WARN L194 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 256 DAG size of output: 21 [2020-11-07 04:53:58,504 WARN L194 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 21 [2020-11-07 04:54:01,430 WARN L194 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 287 DAG size of output: 40 [2020-11-07 04:54:04,312 WARN L194 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 283 DAG size of output: 38 [2020-11-07 04:54:06,529 WARN L194 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 189 DAG size of output: 32